Fibro treatment is just symptom alleviation and of course Lyrica (you've all seen the ads right?). I don't tolerate Lyrica, tried it for the CRPS, and I just got off Gabapentin because of weight gain. I'm sure the other anti-epiliptic works the same on the nervous system.
Exercise.
They don't know what/why it is. Could be overactive nervous system. Yada yada.