The pain is chronic and widespread. Most often and including compensation regs you need to have pain located in several pressure points on your body. Example pressure points are front / back of neck,elbows, upper/lower back, top of legs right your butt and knees. Other symptoms can be sleep problems . Fibro is often associated with depression , anxiety and PTSD . You can have pain but if you don't have pain in those pressure points then it's hard for diagnosis to be made. For service connection you have to have pain in a certain amount of those pressure points. There is a lot of good info on the internet. I am a RN so if I can be of further assistance let me know. NOT professional advice just a little help from a fellow vet! LOL That's my disclaimer.