Low-dose naltrexone for the treatment of fibromyalgia: protocol for a double-blind, randomized, placebo-controlled trial
To me, it says probable autoimmune component in fibromyalgia ; LDN is taken by people with autoimmune diseases, and fibromyalgia patients have success with it
The use of low-dose naltrexone (LDN) as a novel anti-inflammatory treatment for chronic pain
Fibromyalgia patients are having success with it; LDN has an immunomodulatory effect, and to me this also bolsters the case for an autoimmune component in fibromyalgia.