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Department of Anesthesiology, Wake Forest University Medical Center, Winston-Salem, NC
To the Editor:
I feel ethically obligated to write this letter. I am an anesthesiologist and have been disabled by fibromyalgia for over 10 years. During this time, my husband, John Lewis, also an anesthesiologist, and I have been studying the disease.
After excess activity, a major component of my pain can become debilitating, affecting all aspects of life and preventing sleep. This pain is not responsive to opioids, NSAIDs, or gabapentin. However, a dose of 300 mg of lithium carbonate will decrease the pain by 7080% within 40 minutes. The effect lasts 45 hours. It is dramatic. It is reproducible. There is precedent for its use (1,2).
Dr. Lewis and I believe that fibromyalgia may be related to a calcium-parathyroid axis dysfunction. Lithium causes a brief rise in parathyroid hormone. Perhaps this is the reason for the drugs efficacy (3).
Lithium has a long history of safe use. It is inexpensive and readily available. Side effects are usually well tolerated. If large doses are needed, blood levels should be monitored. It is worth a try.
References
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