How To Treat Fibromyalgia?

Hi, I am suffering from fibromyalgia for the past 4 years due to unbearable & continuous stress from harassment at the workplace. Situation has definitely improved now that I am working on my own, but I still experience weakness, lower back pain and temperature (if situation is bad) whenever I undergo mental (heated debate, conflict or shouting) or physical strain (e.g. walk 3-4 days a week for 2.2 km per day for 25 mins, but if I try to jog too much or try doing some weight-training at home, the situation deteriorates the next day). I have started Vipassana meditations 4-5 hours per week - one hour sittings. I am taking multi-vitamins (luxury tablet), ciplar - 30 and anti-depressants (prozac 40 mg per day in the morning) but have not recovered fully. Please advise if full recovery is possible and how. Thanks.