Something new for someone old. I have had fibromyalgia for 15 years all through my whole body 24-7. I have sought all kinds of treatment and succum to controlled drugs, Morphene and hydromorphone. My Doc put me on Namenda Memantine 4 mg 1 a day. He explained that this drug will work with my other pain medication and help it work better. But all the literature I have read so far talks about Altimeters disease??