What Causes Pain In Shoulder Bone When Suffering From Fibromyalgia?

I m a 23 year old female with fibromyalgia. I m having pain in my left shoulder blade and my sacral region extending down to my left knee. my skin feels bruised when its touched and there s an itchy... a kind of prickly feeling randomly over my body. also my feet feel frozen. is there any homoeopathic medicine i can take to ease my symptoms?