Posted inFibromyalgia Fibromyalgia Diet Fibromyalgia Medication Is Guaifenesin for Fibromyalgia the Answer for You? I know guaifenesin for fibromyalgia is a controversial subject among fibro people. And, don't misunderstand, I'm not taking a stand on this protocol per say because of our other protocols… Posted by chronicillness January 7, 2021