Small Fiber Neuropathy and Fibromyalgia Written by WebAdmin on April 15, 2019. Posted in Uncategorized Small fiber neuropathy can affect multiple body systems and cause wide spread body pain. Sound familiar? A significant number of patients who are diagnosed with fibromyalgia are found to have small fiber neuropathy—over 40% in one study. The good news? Small fiber neuropathy may have treatment options! How is it diagnosed? A punch biopsy is used. It can be ordered from a dermatologist by your physician. When looking for an attorney to handle your Social Security case, it is important to find one who keeps abreast of medical developments. While your treatment is a choice you make in consultation with your physician, an experienced Social Security can help with the legal proof required for you to obtain benefits.