<s>[INST] I have Fibromyalgia and for the past  year I have had sharp pains in my rib cage that all I can do is lay down with a heating pad. My Primary Dr believes it to be from the Fibro. I also have chest pains daily that they ruled as Sinus Tachicardia but the two pains usualy go together. What do you think? [/INST] Hi, Dear,Thanks for your query to Chat Doctor. Dear I read your query and reviewed it with context to your query facts. I understood your health concerns and feel Concerned about them. Based on the facts of your query, you seem to suffer from-Fibromyalgia in rib cage with Sinus Tacky.-Other causes of severe rib cage pains needs to be ruled out-like?shingles(Herpes Zoster)/tumor/ cord compression syn Chat Doctor. -Cause of fibromyalgia needs to be worked out with expert doctors. There are many causes -autoimmune diseases / Multiple Sclerosis/ infections. Which go on creating loads of TNF. Response to these toxic products causing Fibromyalgia could be modified with many  </s>