The first course of action of the doctor at the emergency when I came in with fibromyalgia pain was to prescribe codeine - thankfully (on hindsight) I threw up after taking it so I had to make do with less powerful pain killers - but I had to try a slew of medications and PT (just increased the pain several notches) because I kept getting misdiagnosed - finally I was prescribed the right medication but after a while I tried a nature based therapy/changes in lifestyle/diet and managing it that way....