Have you ever been diagnosed with costchronditis (Sp?)? I have this along with fibromyalgia and it can be very painful. It usually is brought on by exertion such as swimming. It is inflammation in the breastbone. I know several with fibromyalgia that have this. I don't know if you have taken Advil or Motrin for this or not....my doctor prescribed that for me. I haven't had a flare up in a long time with it. God bless you!