How Can I Manage The Pain And Fatigue Of Fibromyalgia?

How can I manage the pain and fatigue of fibromyalgia? Also I was diagnosed with Fibro years ago, but there is someone in my life who insists that my symptoms are residual of the West Nile Virus that I was diagnosed as having in maybe 2006 or so, after the fibro diagnosis. I get so confused and depressed1