RSD/CRPS, Multiple Sclerosis, LDN & Ketamine


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It is rare for me to see a patient who is not complex.

They have failed so many treatments for so many years before they call.

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This is the report of a lovely woman in her early 70’s with progressive Multiple Sclerosis for 30 years and paraplegia that has forced her to use an electric scooter the last 5 years, and power wheelchair the last 2o years. Because of total paralysis of the right lower limb, she fell and shattered her femur, the thigh bone, in August 2009. Tragically, and all too often, the surgeon failed to diagnose Complex Regional Pain Syndrome [CRPS], even failed to visit her in the hospital. CRPS increased the fatigue she had already had from Multiple Sclerosis.

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Thankfully a physical therapist suggested the diagnosis.

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Why is pain management not a required subject for physicians?

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I have written elsewhere that the American Pain Society discovered that our National Institute of Health, NIH, devotes less than half of 1% of their research dollar to pain research. Of 28 NIH institutes, none for pain, three for addiction. This will not change soon. The only hope is that RSDSA.org will succeed in collaborating with all pain organizations, groups with dystonia, chronic fatigue in order to give a voice and research dollar to advances.

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Before seeing me in September, she had 11 sympathetic blocks with no benefit.

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Does it make you wonder why 11 were done?

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How does insurance authorize 11 when 10 had no benefit? I have just learned that a doctor must indicate at least 50% relief before another will be authorized. That explains it.

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Then she was given opioids including tramadal and Butrans patch which rendered her a “zombie,” sedated, poor memory, unable to function. She tried 4 or 5 treatments of Calmare with no benefit but was advised she needed a clear neural pathway for it to work. That was not possible due to the Multiple Sclerosis.
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Lyrica caused severe edema. Gabapentin 1400 mg/day caused weight gain, increased her appetite  more than usual, but she remained on it. She craves sweets more than usual, at times uncontrollably. Perhaps it can be slowly tapered now. Advil 600 mg gave some benefit but caused ulcers that required Nexium.

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Since her initial visit a few weeks ago, she became 60% better during her two week stay.

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I will highlight only two of the new medications started.

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It may also be said that opioids are not the answer.

Opioids may perpetuate pain.
They may produce paradoxical pain or opioid induced hyperalgesia or windup.

They may block the effect of ketamine and other adjuvants that would otherwise lower pain.

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Of importance is that she was not able to tolerate clothing on her right lower limb for three years, not even a sheet, and now she is able to sleep through the night without pain for the first time in three years and able to wear a skirt. This allows her to go out with family to restaurants and even to enjoy shopping with her daughter. Her dose of ketamine is very small relative to most of my patients and she uses it only once or twice a day since most of the new medications have brought her pain down.

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At her first visit one month ago, she rated pain from 6 to 8 on a scale of 10, average 7/10. Now 60% better, ranging from zero to 7, average 4. Yes zero pain, sleeping through the night without pain and waking without pain. She had not been able to tolerate touch to the right thigh or foot and would pull her skirt above the thigh, removing her shoe.

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Now she indicates pain continues to improve.

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Of interest, despite an abundance of concern that low dose naltrexone [LDN] may flare her Multiple Sclerosis, we were easily able to increase the dose to triple what is usually called “LDN.” This did not flare her condition and may be one of the most effective medications she is taking for pain.

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What is LDN?

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The FDA has sanctioned its use in the USA only in doses of 50 to 400 mg for addiction to opioids and alcohol.

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Low dose naltrexone [LDN] is a fascinating medication. It has been used in low dose in persons with Multiple Sclerosis since 1985 when a Harvard trained neurologist in New York City, Dr. Bihari, first discovered that it relieved all disability in some patients with Multiple Sclerosis and prevented recurrent attacks. Since then, doctors in Scotland, where they have the highest incidence of Multiple Sclerosis, find that one of the earliest signs of recovery in this population is relief of neurogenic bladder. It is said that persons with Multiple Sclerosis must remain on LDN for 1.5 years before they might fully assess its value.

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 Multiple Sclerosis may be flared unless very small doses of LDN are used.

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Many with Mulitple Sclerosis cannot tolerate more than 2 or 3 mg, perhaps due to spasticity. There is a great deal of dogma on the web about its mechanism, dosing and timing for off label use. Use the search function on this site to review the prior discussions I posted on LDN, MS, CRPS.

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Naltrexone is a glial modulator.

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What’s that?!

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By serendipity, four years ago I discovered naltrexone in low dose may relieve chronic intractable pain. I had been using it for perhaps eight years in microgram doses but I found in milligram doses it is even more profound.

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The mechanism of naltrexone and a wee bit of glial research is discussed here. The Nobel Prize was awarded last year for the discovery that these glia are your innate immune system. They are profoundly important in many diseases including chronic pain, Major Depression, Multiple Sclerosis, Alzheimers, Parkinsons Disease, ALS, Autism. They produce inflammatory cytokines that lead to inflammation.

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Now that she has been home for two weeks, on a number of medications that I started, not just the ketamine and LDN, I hope she will comment on her experience and her progress since flying back to the east coast after her brief visit here.

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It is often essential to taper off opioids to allow other medication to work.

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I feel she was able to benefit from these low doses of medication because she tapered off all opioid medication prior to her visit, thus allowing her system to recover and respond to these medications. We will know more in the next few months as she slowly titrates up on some of the medications that were started.

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Next year on her return, we may be able to withdraw some of the medications depending on how well she is doing.

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Finally, ketamine does cause her to have brief side effects. Her husband likens the effect the same as half a glass of wine: “She’s really cute.” Thankfully, most people have no side effects and if they do, they rarely last more than 20 minutes.

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She sends an update below, 80 to 90% better. Hopefully this will continue to improve over the next months as she slowly increases the medication we started. And ketamine has an additive effect in some. It is anti-inflammatory.

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The material on this site is for informational purposes only.

It is not a substitute for medical advice, diagnosis or treatment provided by a qualified health care provider.

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Please understand that it is not legal for me to give medical advice without a consultation.

If you wish an appointment, please telephone my office or contact your local psychiatrist.

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For My Home Page, click here:  Welcome to my Weblog on Pain Management!

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RSD, Complex Regional Pain Syndrome – a case report


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Severe Pain for Three Years,

 80% better in 10 days

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“This has been life altering.”

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This is a very bright young woman who was an all state volleyball player until onset of Complex Regional Pain Syndrome three years ago in the right hand and wrist. It began after blood was drawn from the hand for a chemistry study and, one week later, the fingers turned black, lost blood flow, followed by emergency surgery for removal of a blood clot from the back of her hand. She woke after surgery, tearing the sheet off due to intense pain on light touch — that is called allodynia — and then developed severe edema from the hand to the shoulder.

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It was four excruciating weeks before the diagnosis of complex regional pain syndrome was made.

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CRPS or RSD is a diagnosis that every MD,

every surgeon, every ER doctor,

every psychiatrist and psychologist, every nurse and therapist should know how to diagnose.

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Because she was a minor, they would not do nerve blocks.

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She developed contractures of the fingers and hand,

was unable to move the fingers.

  A major university hospital diagnosed Munchausen Syndrome;

mom was diagnosed with Munchausen’s by proxy.

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This happens so often. This is 2012.

If it’s not the doctors,

it’s the insurance companies

creating roadblocks to diagnosis or treatment or both.

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Why is pain management not taught at medical schools?

Only 3% of schools today give 30 hours instruction in four years, Yale most recently.

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At a major university hospital two hours away, she failed to respond to 14 stellate and brachial plexus blocks. But the wound reopened by itself, the stitch fell out. The psychiatry department evaluated her after she was so drugged with methadone, she does not even recall the interview. They diagnosed Munchausen Syndrome. That changed everything. Relationship went sour. Distrust of MD’s began and was confirmed many times in many places along the northeastern corridor and Texas.

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That fall, she became a student at the university of her dreams. The diagnosis of CRPS was confirmed at their university medical center hospital where they wanted to continue the same blocks that had failed. Elsewhere, the chief of a renowned ivy league university pain service wanted to talk to her only about spinal cord stimulators, declined by the family.

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In May 2010, she qualified for an NIH study of neurotropin double blind 6 weeks on, 6 weeks placebo. Failed.

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She was seen by Dr. Schwartzman in Philadelphia October 2011, and sent from there to NYC to rule out neuroma dorsum right hand, negative.

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On Lyrica, she gained 20 lbs, then back to 130 lbs baseline when off of Lyrica. Intolerance to Morphine – hives, Duragesic – total body itching. Ambien – hallucinations, Lunesta – hyper. Benadryl helped somewhat. Detoxing from Nucynta – lips were bright red.

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Her weight dropped from 130 to 115. Many medications were trialed and failed. Marinol helps pain slightly and gives the best sleep in years, better appetite. It does cause anxiety, but she had not slept in three years, and it gives 4 to 6 hours of good sleep. She developed sharp bitemporal headaches. I advised headache is a side effect of Pristiq —- now thankfully discontinued and better.

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Since August 2011, she has had CRPS pain in the right leg, worse walking, weight bearing.  There is discoloration of the dorsum hand usually, at times along proximal forearm, recently at right foot and leg. She had edema up to the shoulder measuring 30 cm. Nails growth faster at the right hand, possibly less hair growth right hand. Temperature usually cooler on the right hand, at times at night the hand and foot become hotter. No change in sweating noted.

The first year, she had almost total loss of function in the hand with pain and contractures —and forced herself to move the fingers with OT and PT, then home exercise. She still has days when the fingers remain flexed, but 98% of the time there is full movement as she continually tries to use the hand/fingers to write and type. Nose may become ice cold and tingly since CRPS spread to right side of face and right lower limb. At times tingling fingers. She struggles with memory when pain is severe and with lack of sleep.

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Pain ranges 7 to 10, average 8. Edema was significant for one year, now comes and goes. Allodynia is present hands and feet, now a different scale than before when she could not even be in the car.

However, with weight bearing and walking, pain of the right lower limb became most intense.  She will be 21 in July, but on a bad day was unable to leave her bedroom to walk downstairs as pain was too severe. She would communicate with family by loudly calling or texting. It was unthinkable to make plans for the next week due to severe pain. She has osteoporosis with atrophy of the right upper limb, and has had color changes and edema of the hand.

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She lives in an eastern state inland, two hours away from the mid Atlantic seaboard and major medical center. She failed ketamine infusion at a major university medical center on the east coast. The cost and inconvenience was significant and the family did not know that ketamine may fail to have any effect if taking opioid analgesics. Once mom discovered that, she was able to wean off the opioid medication. Ultimately, after many more interventions, much later, in crisis, she did benefit from IV ketamine infusion, and was able to regain some movement of her fingers on the right hand, but there was no lasting relief. It was a struggle to obtain approval through her insurance.

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She has been spending a great deal of time in bed for months. Morning stiffness is widespread for one to two hours. Bending is difficult, feels as if “hit by a bus,” but she does stretching, moving, distraction and Yoga when able.

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Much better in 10 days

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Day one: pain of the entire right side, face, trunk, limbs, rated 7 to 10 on a scale of 10, average 8. She guards the dominant right hand and the signature is difficult. Atrophy of the right upper limb is present, nails longer on the right hand, dusky dark erythema and long jagged scar over the dorsum right hand, mild erythema of the right upper and right lower limbs.

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On the first day, in the office, she tried the first dose of ketamine nasal spray and after a repeat dose, she was puzzled, thinking to herself, then let us know she realized she was able to concentrate. A small dose is not enough to relieve severe pain, but even major depression can vanish at that dose. Two sprays relieved the brain fog of depression; pain was still 8 on a scale of 10. Blood pressure and pulse did not change before and after doses. She felt hopeful.

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In the next few days she was able to do the unthinkable: make plans with friends, walk 45 minutes, become active, and remain active in a way that had not been possible. She was far more active with much less pain.  Over the weekend, six days after she arrived, after we had sequentially added several new medications, she found the dosage of nasal and sublingual ketamine that worked for her. She has actually had times when she was pain free. As noted during prior ketamine infusions, she requires a far higher dose than most patients to achieve effect. The plan now is to use higher doses at home when time permits for best effect, and booster sprays of nasal ketamine as needed when away from home. She can carry it in her pocket. There is no need for ICU infusions and the fight to get insurance coverage for those stays.

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Of great significance, she has even made plans for the entire summer.

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More details of her case will be added, as time permits. For now, this page is here to allow the patient and family and others to send comments. She will continue slow titration of other medications that will take three months before reaching the target dose, before we can assess efficacy. Based on my experience treating chronic intractable neuropathic pain including CRPS, it is possible these medications will be able to stabilize and relieve pain without ketamine.

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See other case reports of treatment of CRPS here, here, and here.

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You can read some of the science of pain, glia and inflammation. Ketamine is significantly anti-inflammatory. Three of her new medications are glial modulators. Treatment of severe chronic pain usually involves rational polypharmacy, not one medication and not medication alone. It requires a holistic approach to heal: P.T., O.T., massage, cognitive behavioral therapy, guided imagery, visualization, positive thinking, remaining active, and other modalities that depend upon the underlying cause: physical, emotional, spiritual, and financial. The treatment for CRPS is not specific for that condition alone, but the gains can be possible with tremendous discipline, effort, single minded determination and the loving support of friends and family.

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Be cautious of spinal cord stimulators. Try everything else first.

They can create pain and scarring or tether the spinal cord.

Be proactive.

Remember that guidelines and strategies for diagnosis and treatment are outdated.

Support RSDSA.org if you can.

They support high quality pain research.

You can go directly to their site or donate to them (not me)

using the link at the top of my site here.

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Patients and doctors do not understand that opioids create pain.

A 2006 publication from Vanderbilt shows how much better pain can be to taper off.

The abstract:

Significant pain reduction in chronic pain patients after detoxification from high-dose opioids.

The article:

Significant pain reduction in chronic pain patients after detoxification from high-dose opioids.

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More on this young woman’s journey coming.

It’s been busy!

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The material on this site is for informational purposes only,

and is not a substitute for medical advice,

diagnosis or treatment provided by a qualified health care provider.

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Please understand that it is not legal for me to give medical advice without a consultation.

If you wish an appointment, you will need to telephone my office.

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For My Home Page, click here: 

Welcome to my Weblog on Pain Management!

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Case Reports – Fibromyalgia, Spinal Stenosis, Disc Disease, CRPS, Transverse Myelitis, Central Pain


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Glial research key to intractable pain?

These are not ordinary cases.

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These patients have failed every known treatment for years under the care of well known specialists.

They show a remarkable and lasting response to these simple medications.

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The response is important because these medications are 

(1) available, low dose, nontoxic medications largely ignored by the medical community for pain,

(2) glial modulators, and

 (3) more glial research is urgently needed for millions with intractable pain.

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May 2011: The World Health Organization says undertreated pain is America’s #1 public health problem

Department of Health and Human Services says that patients with chronic pain

outnumber patients with heart disease, diabetes and cancer combined

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Fibromyalgia Disabling, Responds to LDN & Dextromethorphan

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AP, 75 years old with scoliosis, restless legs syndrome, anxiety, seen 8/6/04: Onset of fibromyalgia in 2000 after losing half her investment portfolio. It began with acute onset of severe arthralgias, myalgias, fatigue without fever, that prevented her from returning to her business as an art dealer for corporations, private collections. It disappeared without a trace suddenly in 2 months. She was nearly bedridden, just able to sit in a chair, diagnosed as fibromyalgia by a rheumatologist.

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Two years ago, pain, fatigue and “brain fog” returned in 2002, now disabled with intense muscle ache across upper and lower back, circumferentially in thighs/legs, everywhere except head, trunk, feet, fingers – stable since acute onset, markedly interferes with activity, mood, thinking, walking, sleeping, doing her checking account and driving. Pain ranges 2 to 10, average 4 to 5. Burning pain is recent, across upper thoracic and arms, avoids simple activity to avoid flare.  She rated moderate depression due to pain and inability to be active and live a social life. She has been unable to resume walking, a favorite activity. Exam: very anxious, muscle tenderness 18 points, including buttocks, calves, iliotibial bands, right cervical-thoracic paraspinal more than left. Spine tender at almost every level, maximal at L4-5. Sciatic notches tender. Both legs severely discolored brown from chronic venous insufficiency. Gait very slow, wide based later found due to cerebellar atrophy (MRI).

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Oxycontin was started and changed to fentanyl 50 mcg/hr every 72 hours. Fentanyl was then decreased to 25 mcg/hr after adding Fentora 100 mcg twice daily, Lyrica 50 mg at bedtime, with mirtazepine 15 mg and temazepam 15 mg for sleep. She continued to have marked difficulty walking, concentrating, thinking, and was unable to drive or do her checking account. Constant issues with constipation required multiple preparations for stool softener, laxatives, anti-emetics; hypertension was difficult to control, and she had high anxiety and stress.

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Fibromyalgia was then helped somewhat by pramipexole 0.5 mg twice daily, amitriptyline 20 to 50 mg/day, Lidoderm 5% patches 3 per day, clonidine 0.1 mg twice daily, that allowed fentanyl patch to be discontinued and lowered her opioid requirement down to Fentora 100 mcg bid, still with some constipation but less.

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11/3/08, started low dose naltrexone [LDN] 1 mg – slept only 3 hours that night. On 4 mg, no sleep at all, 1 mg somewhat better, 2 nights after that back to usual sleep but Pain levels low 0 to 3 limited to low back ache.  Before LDN,  pain ranged from 3 to 8, average 5. She had no withdrawal from opioids.  BM’s were excellent for at least 3 days.  Sinemet 25/100 replaced Fentora for restless legs syndrome.

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However, LDN was discontinued a few weeks later as she had so much energy she was hypomanic. Months later she again developed some pain.

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4/8/09 started Delsym 2 teaspoons every 12 hours. Pain dropped to zero. She never needed opioid again, had no withdrawal. A dose of Delsym is the same as long acting dextromethorphan [DM] 60 mg capsules, but 60 mg was too strong for her —- she became hypomanic again. DM allowed her to become pain free. She stopped DM 10 days, feeling so great she forgot to take it until low back pain returned initially mild, then severe. “I started getting back pain, I thought it was just back pain. I have scoliosis, then it became very severe, then realized am I getting fibromyalgia again.”

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After resuming DM, it took only 3 days for pain to come down from 10 to 3-4, then less and less to 1-2 on scale of 10. She was back on DM 4 days. Today, after being off DM and getting return of pain, she is now still using a Lidoderm 5% patch daily to the low back and occasional Aspercreme to groin qhs. Did not need to use these when pain was zero.

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She is 80 years old feeling better than she felt when she was 50!  “My biggest problem is slowing down. I’m 80. I enjoy doing what I’m doing. I like being alive. I’m a little hyper so I stopped drinking coffee.  Hyper because so excited about life, and catching up to what I could have done.” She is now able to clean and organize things she put off for years while in pain. She began designing bathrooms and kitchens for more than one location and waking up after 6 hours of sleep to begin work all day. Her husband describes her as having the energy of ten people. He needs to interrupt her to stop work and have lunch.

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“It changed my outlook, I’m so much happier. I am in heaven. I am back to my mental age of 50. I feel alive with energy, vibrance, lust for life. I drive clearly, I have a brain, my reaction to the wheel, to moving and turning and seeing things is better.”

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10-19-09, with mild recurrence of pain, she was advised to continue DM 60 mg  AM and PM, add naltrexone 4.5 mg PM, continue both for 1 or 2 weeks and discontinue if no more pain.

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7-26-10, experimented with timing and dosage, 4.5 mg LDN best at 5 or 7 AM, 2 to 4 PM, and bedtime.  DM 60 mg twice daily. Voltaren gel qd < 1/2 tsp total in AM only at times variously at hips, back, medial arms, groin, thighs, behind knees where pain occurs when it occurs. Rates pain 0 to 2, avg 0. Has pain if waits too long to take LDN too long.

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“I feel wonderful. I don’t feel high. Normal, comfortable at ease, mentally clear – more than in years, memory is better – even helped dyslexia. Now I’m able to skim reading.” She reads faster, is able to multitask ten things at once and get them all done. Husband says, ”She has boundless energy.” Biggest problem is instability gait, wobbles. Fear of falling. Fell backwards in bedroom one month ago,a  trip and fall onto her back, bruised posterior thoracic and right arm. Had home PT. She works out in gym, treadmill daily. Exam: 2/3 of proximal legs and both feet now normal skin color. Gait slowed. Wide based. MS and mood – excellent. Drowsy [never sits still at home].

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Fall 2010, husband reports her gait markedly improved, faster, more stable after dental prothesis. She is walking faster. She is now 82 and full of energy. Visits initially were monthly for several years while on opioid analgesics, now seen 2 or 3 times a year for minor adjustments and off opioids since 2008.

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Of course all specialists have stories of unusual responses,

but these are responses to the combination of medications that I use, that are not used by other MD’s.

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Transverse Myelitis Responding to Low Dose Naltrexone

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There is currently no known treatment for Transverse Myelitis. It is very rare, if ever possible, to be able to reverse lesions of the brain and spinal cord seen on MRI, especially if chronic. This man is responding to this tiny dose of naltrexone, 1/6th or 1/8th of the smallest tablet.

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FB, 47 year old male triathlete seen 11/1/10. He was in excellent health until 11/09. He began to have interscapular pain worse on the left, days later a band around the waist approximately T8-T10 described as “muscular” discomfort, later with numbness in the same area, followed by weakness, spasticity of the left lower limb and atrophy. Intermittent Lhermitte’s, now resolved. Hypersensitivity to sensation of his shirt across his chest and shoulders lasted 4 to 6 weeks with initial onset. Initially misdiagnosed as Multiple Sclerosis. MRI and spinal fluid led to diagnosis of transverse myelitis.

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On 3/11/10, MRI cervical and thoracic cord [probably the second MRI of two sets of MRI’s] showed extensive parenchymatous lesions extending at least 10 segments from T1-T10 with extra-axial fluid collection that appears as an extensive arachnoid cyst over multiple levels. No obvious cord compression. CSF Mixed lymphocytes with reactive pleocytosis, WBC 2/cu mm, 97% lymphs, 3% monos.

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Diagnoses  11/1/10:  Transverse myelitis with foot drop, spastic monoparesis, atrophy of the left lower extremity, neurogenic bladder, constipation, band around the lower thoracic “waist” onset 11/09, self-treated by injections of B12 with declofenac.   He also had gluten intolerance – eating gluten flares above symptoms

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1/27/11, return visit: “I feel l ike I’ve come light years away” compared to one year ago.

Low dose naltrexone [LDN]  prescribed November 2010, took for few months. Felt immediate effects, improved in strength at left lower extremity, foot drop still present but no longer catches toes on curbs or steps.

He increased dose to 7 or 8 mg, began to feel slightly weird, mild insomnia, like head felt a little weird. Stopped LDN a couple months.

Resumed LDN April 2011,  and again began to feel positive effects; used it daily since then, probably 6 to 7 mg/day.

Resolved: burning pain both feet had radiated up the calves when seen 11/10 ––> discontinued gabapentin one year ago, about 1/10.

Resolved: banding around the waist.

Improved strength 30%  in left lower extremity, still unable to push off with the left foot, but no pain.

Improved: Occasionally used to get a trembling in the left leg evenings 7 or 8 pm, shaking every 20 secs for an hour, at times preventing sleep – resolved about 4 months ago, occurs now perhaps 1 or 2 days a month.

Improved bladder urgency, must find toilet 3 minutes before he voids, now limited to the first 3 hours of the morning.  Before, he could not be far from restroom. Rectal sphincter feels weak.

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In December 2011, he felt symptoms were plateauing, slowly getting better. Went on vacation in January, ran out of LDN for 11 days and is today 30% weaker. That was the longest time he has been off LDN in the last 9 months. The left leg feels a little like spaghetti. When on LDN, he felt stronger when lifting the leg.

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Sleep: When began LDN, had 3 or 4 months of vivid dreaming, but urinated during sleep 2 or 3 times a month while have the vivid dream that he was voiding. That resolved.

Still has weird sensations: right foot a little burning sensation, not pain, of the whole foot, lasting 1 or 2 hours, quite tolerable, nothing like it was before when pain radiated to the calves of both legs.

His medications:  LDN, vitamin D3, alpha lipoic acid, Fish oil 2 or 3/day,

Every couple weeks he gets an injection of B12 and diclofenac 2 vials to buttock and feels definite benefit – I warned not to use diclofenac due to high risk of heart attack, cardiac arrhythmias with this NSAID.

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Spinal Stenosis Pain Responds to Nasal Ketamine

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ML, 81 year old diabetic woman with heart surgery 9 months ago, reports that she was able to walk 26 miles a day in Snow Canyon Utah 10 years ago, but barely able to walk room to room the last year due to lumbar pain and weakness from spinal stenosis. Function failed to benefit from tramadol 100 mg x 3/day and she disliked the side effects. Gabapentin failed to help, but when she tried to stop, she had severe nausea and she lost so much weight in four days that her endocrinologist advised her to resume it.

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Nasal ketamine was started with excellent results allowing her to walk again. Unfortunately, on her own, she abruptly and almost immediately stopped tramadol which resulted in severe opioid withdrawal: severe vomiting, dry heaves and watery diarrhea for 48 hours. She was admitted via ER with chest pressure and muscle strain of abdominal muscles from vomiting. EKG and chemistry ruled out heart attack. Low potassium was corrected and she returned home the next day delighted with pain control.

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A few days after hospital discharge she reports: “Feeling good, actually exercising in the pool every day, 30 minutes without stopping.” Weather here has been sunny 80 degrees this January. “I never built back my stamina after the heart surgery because of the pain.  I think I am finally on the right  track and it feels good!!” Her son is coming over to walk around the block with her tomorrow.

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 Complex Regional Pain Syndrome 70% Better in 6 Weeks after Opioid Detox,

Responding to Low Dose Naltrexone, Ketamine, Lamotrigine, Memantine

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AD, 23 year old male athlete with Complex Regional Pain Syndrome [CRPS] caused him to be bedridden 4.5 years on opioids. Pain was so severe he was unable to eat and lost 30 pounds of muscle. He was slowly able to bear weight and walk 5 or 6 steps with an underarm crutch, but used a wheelchair when not in bed. Fatigue was severe and unbearable just to be out of bed a few minutes. Pain involved all limbs, but focused at the cold right lower extremity, particularly the knee where he had maximal pain. He is tall and weighed 110 pounds when first seen July 2011.

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I advise patients that opioids create pain.  I am guided by a colleague who detoxed thousands of persons in pain over a 20 year period and never once found the patient had more pain after detox. Confirming this, Baron and McDonald published Significant pain reduction in chronic pain patients after detoxification from high-dose opioids in 2006. Some of the science  is discussed here.

~in 2006

This young man decided the night of his first visit to stop opioids and was admitted for symptom control with opioid withdrawal. He was started on low dose naltrexone [LDN], N-acetyl cysteine, dextromethorphan, slow titration of lamotrigine and memantine slow titration, and oral ketamine. Six weeks later he returned and rated himself 70% better, no longer in a wheelchair, not needing a crutch, but still with significant fatigue that caused him to need to lie down during the day. However, he was able to return to his MBA program by September and is doing well in college.

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  CRPS pain 70% Better in 6 weeks on Low Dose Naltrexone [LDN], Patient with ALS

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FG,  a 71 year old woman with Complex Regional Pain Syndrome [CRPS] and severe burning pain in the legs that markedly interfered with sleep, was seen in fall 2011 for pain in the legs that began two years ago after thoracic fusion October 2009, with cage and titanium rods T4-T9. Disc at T5-6 was compressing the spinal cord and there was an asymptomatic T4-T5 compression fracture 4 to 5 years ago. After thoracic fusion she was able to use a walker for a time, but had weakness progressing to paraplegia and had been in a wheelchair for 6 months. ALS was diagnosed at two university medical centers. Her feet were deep purple, swollen twice their size. and now back to normal size after 7 low power laser treatments. She was now having a frequent ache in both deltoids for a few months from needing to use her arms to push up from the wheelchair. Recently she had severe weight loss with shortness of breath, and during sleep used CPAP for obstructive sleep apnea. Polymyalgia rheumatic from year 2000 was in remission – she’d been on prednisone 5 years until 2005. Breathing was shallow, FVC 1.72 is 54% of predicted.

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She had a spinal cord stimulator at T10-11.

Medications tried and failed: Cymbalta 30 mg maximum dose, Neurontin 400 mg BID maximum dose, Lyrica dose unknown. Fentanyl patches no effect.

Methadone 25 mg/day for 1.5 years, is the only medication that helps, estimated 80% relief, nevertheless described pain as severe. She used it 5 of 7 days. With ALS causing progressive respiratory difficulty consistent with neuromuscular disease, it was deemed dangerous to continue an opioid. 

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Low dose naltrexone 4.5 mg to be started after all methadone is out of her system. She was started on N-acetyl cysteine 600 mg capsules x 3/day – the standard of care in Netherlands since 1995 for cold CRPS. Lamictal 25 mg, to begin 1 daily for 2 weeks and slowly titrate to 300 mg per day.

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On return 6 seeks later, she was delighted to report 70% relief of pain. She plans to return if pain progresses.

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Complex Lumbar Disc Disease Markedly Better with Low Dose Naltrexone 

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CL, first seen age 57, December 2004, for pain right buttock radiating to right leg due to degenerative disc disease with lumbar radiculitis. She injured the right knee four weeks prior after giveaway weakness of the right leg. After the recent lumbar laminectomy in June 2003, she had done well only during the months of October, November, December before she herniated the lumbar disc at L3-4 and declined further surgery. The flare occurred after sitting in a chair for 4 hours taking a class. Symptoms were similar to those she had prior to extensive lumbar surgery but she declined repeat surgery. On Exam, she had positive straight leg raising at 45 degrees bilaterally and diminished reflex right knee, but motor, sensory exam was otherwise intact.

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She had received epidurals perhaps 6 per year from 1999 until December 2004, posing a risk for osteoporosis, and she had symptoms of probable ulcer disease from a steroid dose pack. She had extreme pain during the epidural, but got fairly good relief for only one to two months. Pain in the leg now is 50% less from the recent epidural but will it last?

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Past Surgery: Cervical laminectomy and fusion C5-C7 with anterior plate, lumbar hemi-laminotomies L3 to S1 on the right and discectomy right L3-L4 in June 2003. MRI done after surgery 4/30/04: 1.  Large right paracentral recurrent disc herniation filling right lateral recess at L3-4. 2.  Asymmetrical right foraminal & extraforaminal disc protrusion at L4-5.  3. L5-S1, mild right foraminal stenosis due to facet hypertrophy & asymmetrical disc bulging on the right.

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She was started with a Fentanyl patch then changed to Oxycontin but continued difficulty walking, standing, lifting. Flying to Boston to see her son would result in being bedridden for the week in Boston and after returning home. However, a few days prior to another trip to Boston, Namenda 5 mg profoundly helped back pain. She was no longer bedridden but was able to travel up and down the East coast and fly home with markedly improved function. Stretching, doing yoga. Walked briskly on beach with son for quite some time.

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On  8/31/09 , surgery for hyperparathyroidism removed two parathyroid glands on left side, biopsied on right.  Back pain “killing me” on left lumbar side postop, hospital 1-1/2” mattress caused flare. She was not back on Namenda 5 mg as it was too painful to swallow and expensive on her budget.

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Low dose naltrexone [LDN] was started 12/12/08, after stopping the Fentanyl patch 2 days previously. On January 2009, she reported: “My pain level dropped to about 2-3 at that time and was down to 1 by Dec. 15th. With the patch still in by bloodstream for those few days my pain level never really spiked.  There was a very even transition from the patch to the LDN. What I do know is that my pain level has remained at about a 1-2 for the past month, even with an increased stress level and much time spent on my feet. [She has had lifelong insomnia.] It hasn’t changed my sleep pattern at all.  I still take the Temazepam several times to help me sleep a little bit better. I’m very happy that the LDN has given me so much relief from the pain I’ve dealt with for over 5 years.”

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1/29/12, she emails, “Although my lower back pain is pretty well controlled, my right knee pain prohibits me from doing many things that I would like to do. However, I had a significant event last night.

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I awoke at 3AM with terrible stabbing pain going from my right knee to my right foot. I was in too much pain to deal with the Ketamine spray on a Q-tip, so I just used 3 sprays in each nostril, pinched my nostrils together, and tilted my head back slightly. The pain was completely gone in 30 seconds and I was able to go back to sleep immediately. 

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I used the 50mg/ml dose since I haven’t picked up the stronger spray yet. It was amazing! I’ve continued to use the nasal Ketamine today and it has helped considerably, though not as dramatically as it did at 3AM.

[P.T.] told me there’s nothing more he can do for me.  He said he’d be happy to help me with my re-hab after my knee replacement.  So now I guess I will just have to hope that [my rheumatologist] will be able to offer me some pain relief with hyaluronic acid injections until I can convince myself that a replacement is the only solution.

So the LDN and the Ketamine spray are my constant companions for now.

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 Right Upper Quadrant & Ribs After Laparoscopic Gall Bladder Surgery Better with LDN

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CR, 40 year old engineer with scoliosis who had been a triathlete. She first saw me on 6/6/05 for persistent, intense, right upper quadrant abdominal and rib pain that began immediately after laparoscopic gall bladder surgery on 11/17/04, associated with severe fatigue. Pain in the abdominal area was so acute after surgery that she couldn’t swim for four months. Pain impaired breathing and ability to stand erect. She became a long distance swimmer as she now could not do a flip in a pool, run, bike or take part in other sports. Severe pain was triggered even by slight jogging, jarring, vibrations forcing her to buy another car. Positions that relieved right rib pain, made scoliosis worse. Prednisone last year caused loss of memory for  > 1 month of work projects.

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Spasm along the right lower rib was so severe she once fell out of bed. A cardiologist and neurologist advised removing the lower ribs.

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Pain was constant mild to moderate at right lower ribs with muscle spasm at the right epigastric area,  intermittently severe stabbing, tender, penetrating, burning.  She describes the pain as a scorpioin tailed dragon that stabs with its scorpion tail and blows fire breath inside the ribs. Pain ranged from 1 to 7, average 4 to 5, and severely interferes with function including ability to concentrate, general activity, enjoyment of life, sleep, work, relations with others and moderately interferes with walking and mood. Each of the 2 times she started P.T., she heard a “pop” when the ribs were released; spreading the ribs relieves pain/spasm.  She tried acupuncture, yoga, Feldenkrais.

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Exam: hyperalgesia over the tender T8 dermatome at the lower right ribs shading off toward T10; easily palpable tender trigger point at right epigastric area that radiates to the right anterior lateral iliac crest suggesting visceral ligamentous problems. Physical therapist noted a stiff band in the right upper quadrant but there are no ligaments in this area of the anatomy. She had temporary relief with adjustments, poor response with opioids and failed gabapentin. Intercostal blocks T8-T10 or T11 and right upper quadrant field blocks using Marcaine gave transient 50% relief. MRI and CT scans failed to disclose any etiology.

By 11/17/05, P.T. had freed several structures about the rib cage, but was not able to loosen the lower ribs that no longer flare out as the left side. P.T. has helped far more than nerve blocks (duration of nerve block effect 2 to 4 weeks if cortisone used, or 5 to 14 days if a field block after miserable numbness 48 hours). Pain is focal at the MCL inferior to the lower right rib, deep under the incisional scar triggered by crunches  (as with use of dishwasher, etc).  She is now able to swim butterfly, but not flip turns – flip turns are a crunch flexion. Right levator scapulae trigger point is flared with the same crunches and “feels related.”  She continues Feldenkrais but avoids flexion,no longer has difficulty breathing and since P.T. has been able to get the inspiration spirometer to the top. Inflammatory pain along the costochondral margins anterior and posterioly from T2 to T12 and below the right lower ribs fairly resolved with the topical ointment ketoprofen 20%, lidocaine 10%. She tried Bengay at the levitator scapulae but stopped Daypro due to burning mid sternum, uses aspirin with yogurt.

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New spine x-rays were reviewed at Boston Children’s Hospital compared with her most recent 10 year old spine MRI: The ribs are splinted upward where they should be down.  Scoliosis then measured 31 degrees at T1-6, and 28 degrees at T6-11 with the superior iliac crest 1 cm down.

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February 2009, she started low dose naltrexone [LDN] 1 mg:  For years, pain was 8 to 9, like I had swallowed a fire burning. After LDN it was gone in one hour, zero for 18 hours later returned but much lower 1.5 on scale of 10. Premenstrual pain also was there lower abdominal, prior 3 to 4, down to 1 while taking LDN. A morning swim in ocean usually takes a couple hours of swimming to warm up to get that endorphin high, since LDN now occurs in 20 min. Begins with complete feeling of ease and well being because you’re swimming in cold water, everything is cold and you’re tired, suddenly you’re not tired, its easy, nothing is terrrible anymore, all the frustration melts away. There are no long life threatening events, everything seems easier, you’re happier, and you love everyone. Everyone you see a that moment is beautiful and you love them.  The world is a little slower.  You always feel like you could swim [or run] forever, whereas before that point you feel you can go maybe 5 more minutes.

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Since mid morning a little hyper – sometimes I am if I have lots of sugar or caffeine [had none], talking faster, less patient slightly –  entire family has ADD or ADHD. 
Slept really well  —- usually has light sleep, poor quality.
I got my desk cleared off for the first time in weeks.
Had sinus headache 1-2 weeks, the head was still unchanged after LDN.
Had night sweats > 10 years, at 4 am none last night, in fact the opposite.  

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Sleep improves for some while on LDN. It is a morphinan, i.e. morphine like. “I sleep well on LDN… the neuroma in my foot is not gone but hurts less, one of those items I’ve been ignoring because the rib/abdominal pain kept me from hiking enough to care.  So far that’s what I’ve got, for some reason the best dosing for me seems to be alternating 2mg and 3mg. I don’t know why that is. I still get a good endorphin rush pretty early into exercise, even walking which I can do again.  Last week I accidentally walked 6 miles, longest I’ve walked in years!  Next I want to try hiking once the snow is gone.

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A stingray stabbed her the top of her foot on 4-28-11. Lifeguards usually call EMT for morphine as the injury causes so much pain that people black out. There was profuse bleeding, estimated one cup of blood, and swelling the size of an egg. The entire foot was covered with blood as were the footsteps on the beach. Pain quickly increased to 7 on scale of 10 but never went above ankle, then pain dropped to a 3 before they were able to put her foot into hot water. She was laughing with the lifeguard while being treated.  Swelling was almost gone 4 days later. It was a little tender to pressure, the puncture was still visible. She did not wear a shoe to avoid pressure over the wound, and to keep the wound clean to avoid bacterial infection. People were asking why she was not walking with crutches – not remotely necessary.

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She has scoliosis and wore braces for it as a child. “I’ve been using the SalonPas patches on my lower back, they give me a minor skin rash but work great. I suspect a combination of topicals and stretches will be the key.  For meds we’d have to be in the office with my records (allergic to tylenol and bad reactions to naproxen/Aleve though I may try it again some day).  Its more a question of what to do about the underlying cause -the spine- and avoiding the pain. I know having the pain isn’t good long term but its minor enough that I really didn’t feel it all this time because my front hurt more.  Peeling the onion!  While I was having a lot of rib pain I would get pulled forward and my lower back would go “out.” P.T. could help that by loosening the front and working the back.  Now it seems more complex to address.  I used to do lots of sit-ups and crunches to stabilize it but P.T. says no to those and my core is pretty stable.  I have been able to do yoga again (another LDN success) and I thought that helped in the past.  I’ll have to continue with that and see if it helps things in the long run….  I have to seek out the spine experts now that I can move more.  My ski turns are uneven, always have been becuase I turn easier to the left than the right (so I’ll turn one cheek more readily than the other).”

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Vibrations from dolphins ease the pain for days. She has experienced more encounters with dolphins and whales since the surgery. One day when she was aware of squid in the water, she noticed what she thought was the world’s biggest squid swimming 10 feet below her, except that it was a gray whale, which soon surfaced and blew water. Her reasoning for why marine life are attracted to her: scar tissue built up around her surgical scar, which she says makes a squeaking sound in the water. “It might be similar to how they perceive pain and illness.They might be coming together to try to help.”

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Further information will be posted on these cases, and more cases will be added as time permits.
They will include persons who had years of intractable chronic pain that severely limited function, who are now pain free
on low dose naltrexone [LDN] and/or other medications.  Some with intractable chronic pain have now been pain free off LDN and all pain medications for three years.
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The material on this site is for informational purposes only,

and is not a substitute for medical advice,

diagnosis or treatment provided by a qualified health care provider.

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For My Home Page, click here: 

Welcome to my Weblog on Pain Management!

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Low Dose Naltrexone “LDN” and Dextromethorphan off label for Pain, RSD, Chronic Fatigue, Fibromyalgia, MS, Crohn’s Disease


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Low Dose Naltrexone

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Low dose naltrexone, or LDN, has been prescribed “off label” for persons with many conditions including intractable pain, chronic fatigue syndrome, complex regional pain syndrome, RSD, Multiple Sclerosis, Parkinsons Disease, IBS, inflammatory bowel disease, autoimmune diseases and Crohn’s Disease to mention only a few. Low dose naltrexone is not a cure but may be potentially helpful for selected persons with these conditions. It appears to have little or no toxicity at this low dose – a few persons report transient insomnia, nausea or vivid dreams.

Naltrexone and and naloxone are both classified as morphinans, meaning morphine-like. The action of the morphinans and dextromethorphan is on the glia. This discussion relates to those medications. Refer to the paper titled Morphinan Neuroprotection by Zhang, below.

How does it work?

Naltrexone and dextromethorphan are anti-inflammatory. They act centrally and are very different from, and without the toxicity of commonly used anti-inflammatory medications such as ibuprofen or steroids.

They inhibit Superoxide, a free radical, and reduce the toxicity of peroxynitrate metabolism and the excitotoxic effects of glutamate. The mechanism of action occurs at the microglia in spinal cord and brain where they are neuroprotective. Microglia are the immune cells of the central nervous system. Microglia are not only the hallmark of pathology in Multiple Sclerosis but they also play a major role in pain and other degenerative neurological conditions. Reducing the damaging effect of these potent neurotoxins improves function of the immune system and various organ tissues including the spinal cord and brain.

There is evidence that they also increase the release of neurotrophic factors BDNF and GDNF (Jau-Shyong Hong, PhD, at the NIEH/NIH,personal communication).

Chronic pain alters central processing by changing the neurochemistry and the anatomy. This can lead to premature aging of the brain with loss of gray matter and brain atrophy as reported on MRI’s of persons with chronic low back pain. This may also occur in other stress-related disorders, such as chronic depression or post-traumatic stress disorder.

There has been a blossoming of basic neuroscience research on microglia that began in the 1980’s. At the American Pain Society meetings in San Diego in May 2009, there were hours of lectures for several days on the basic science of microglia and pain mechanisms.  This confirms the experience that I have seen clinically.

I am grateful to have the guidance of patients, physicians, and scientists in learning about the use and mechanisms of low dose naltrexone, with special thanks to Dr. Jau-Shyong Hong, PhD, Chief of Neuropharmacology at NIEH/NIH. He is one of the country’s leading experts on microglia, opioid antagonists and morphinans and has published some of the references below.

New science shows naltrexone to be a potent anti-inflammatory — much stronger and with a much different mechanism than the weaker cox inhibitors such as ibuprofen, Vioxx, Celebrex, Naproxen with none of those adverse side effects. Dr. Hong reports that in animal studies, dextromethorphan is even stronger than naltrexone.

Naltrexone is one of a few compounds called morphinans, meaning it has a structure similar to morphine, but naltrexone blocks morphine-like medication:  it is an antagonist.  For detailed discussion of morphinans refer to the article by Zhang et al, listed below.

There are links to further understand the basic science in medical publications and references below. We all owe thanks to patients whose clinical recovery with the use of low dose naltrexone has kept this work alive since its effect on the immune system in Multiple Sclerosis and HIV/AIDS was discovered by Bernard Bihari, MD, in 1984. He was a Harvard trained academic neurologist based in NYC. Their testimony can be found in the book mentioned below or in many web sources. The excitement of their recovery and their fundraising prompted UCSF and Stanford to begin double blind studies now 25 years later.

Recent clinical research

In 2009, Drs. Younger and Mackey of Stanford Pain Center reported a double blind study of low dose naltrexone in persons who had fibromyalgia more than 10 years and showed 30% improvement in pain and fatigue. They now plan a larger study. Bruce Cree, MD, of the UCSF Multiple Sclerosis Clinic in 2008 reported improvement usinglow dose naltrexone in a masked placebo controlled study to evaluate quality of life in MS [reference below] testing only pain, cognitive function and mental health. They propose doing a larger study to measure other functions in MS. In the 2007 study by Jill Smith, MD, at Hershey Medical Center [reference below], 67% of persons with Crohn’s Disease achieved remission in a few weeks, and total 89% had a response to therapy. As described in their publication: Endogenous opioids and opioid antagonists have been shown to play a role in healing and repair of tissues.”Dr. Smith has received a $500,000 grant from NIH to continue research on low dose naltrexone for Crohn’s Disease.

Multicenter studies on LDN for persons with Multiple Sclerosis have been done in Italy and Scotland.  New research is starting in Scotland that will include study of the toxicity of peroxynitrate metabolism in MS first proposed by a Nobel winning scientist in 1991, see the reference on peroxynitrate metabolism and Dr. Gilhooly’s references, below.  Scotland has the highest incidence of MS in the world, even higher than Great Britain and Ireland.  Dr. Gilhooly’s patients reported remarkable improvement in function on LDN that led to him starting this work.

My experience prescribing LDN

I have been prescribing naltrexone for 6 years in ultra-low microgram doses, and more recently prescribing low dose naltrexone at doses of 1 to 4.5 mg.  It is one of the most exciting developments in pain medicine and neurodegenerative diseases that I have ever seen.  It was previously unimaginable to me to see some persons with intractable pain now pain free and off opioids because of low dose naltrexone or a similar medication that will soon be posted on this weblog.

I have not yet been able to predict who will respond to low dose naltrexone with decrease in symptoms, but many patients have had profound relief. Often it may reduce intractable pain to zero despite failing to respond for many years to all known therapies. Inability to predict a response to pain is true of many classes of medication that we trial “off label” for pain relief and even those that are FDA approved for pain. Paradoxically, the same is true for morphine and similar strong opioids.  In fact, opioids relieve pain and opioids create pain at the same time, and it is not uncommon for pain specialists to see individuals with severe pain despite using high dose opioids.

“Off label” use means it is not FDA approved for these purposes.  Instead, low dose naltrexone is used in small doses of 1 to 4.5 mg at bedtime that must be made by a compounding pharmacist, rather than the 50 mg tablets or higher doses that are FDA approved for prevention of addiction and alcoholism.

Many thanks to the sponsors and speakers of the Fourth Annual Conference on Low Dose Naltrexone which was held for the first time on the West Coast at USC on October 8, 2008 – they have provided other references attached below.

Naltrexone became available as a generic drug many years after 1984, and thus there is no profit in this use for pharmaceutical companies.  Only recently, has the science progressed enough to understand its new uses.  Therefore what you may read in various sources on the web may be the “old science,” whereas the articles below are the “new science.”

I will be updating this page in the near future but wanted to make these recent publications and documents available now.

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Update June 22, 2010: Check back for patient case reports I will be publishing soon now that I have more specific information on how morphinans work on path pathways and on the central nervous system.

I recommend this book:

The Promise of Low Dose Naltrexone Therapy

by Elaine A. Moore & Samantha Wilkinson, McFarland & Company Inc., 2009

The Promise of Low Dose Naltrexone Therapy

“Grounded in clinical and scientific research, this book describes the history of naltrexone, its potential therapeutic uses, its effects on the immune system, its pharmacological properties, and how the drug is administered. It also lists … patient resources, and includes interviews with LDN patients and researchers.”

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If you are unable to view and print PDF files below,

download the free PDF reader.

If you do not have Microsoft Powerpoint software to view slides,

download the free Microsoft Powerpoint Viewer.

Download sizes are in parentheses to the right of each download link.

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Non-stereoselective reversal of neuropathic pain by naloxone and naltrexone, involvement of toll-like receptor 4 (TLR4)

Morphinan Neuroprotection by Zhang, Hong, Kim, et al, Crit.Rev.Neurobiol. 16(4):271-302, 2004 (PDF)  450k

Microglia Mediated Neurotoxicity Molecular Mechanisms. Block Zecca Hong, Nature Reviews Neurosci 8:57, 2007 (PDF) 529k

Peroxynitrites in MS,  Dr Tom Gilhooly, Scotland, USC 4th Annual LDN Conference 2008 (PDF)  77k

LDN research on MS in Scotland Dr Tom Gilhooly, USC 4th Annual LDN Conference, 2008 (Powerpoint)  12M

LDN In MS, Bruce Cree MD, UCSF Poster, 2008 (PDF)  154k

A Pilot Trial of LDN in Primary Progressive MS, Gironi et al, Multiple Sclerosis 14:1076–1083, 2008 (PDF)  222k

LDN for Treatment of MS – Clinical Trials Are Needed, Patel, Ann Pharmacotherapy 41 (9):1549, 2007 (PDF)  114k

LDN Improves Active Crohns Disease, Jill Smith MD et al, Am J Gastroenterology 2007 (PDF) 121k

LDN Immune System Autism & HIV, Vojdani, USC 4th Annual LDN Conference, 2008(Powerpoint)  5.7M

LDN Immune System Autism & HIV, Vojdani Part 2, USC 4th Annual Conference, 2008 (Powerpoint)  3.6M

Naltrexone ULD Decreases Side Effects and Potentiates the Effect of Methadone 2003 JP&SM Cruciani Arbuck  (PDF) 80KB

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Update December 10, 2010:  For further research publications on glia, please refer here.

Refer here for a case report of severe RSD responding primarily to naltrexone.


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The material on this site is for informational purposes only.

It is not a substitute for medical advice, diagnosis or treatment provided by a qualified health care provider.

~~~~~

For My Home Page, click here:  Welcome to my Weblog on Pain Management!

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