I am a bit concerned about a lump that as shown up on the the crease of my elbow joint its quite big and doesnt really cause pain but i get terrible numbness and pins and needles if i hold something for a while , i have fibromyalgia as it is but i am feeling more tired tban before not eating alot just feel physically drained even not doing anything , i also itch terribly nearly drawing blood feels like something crawling over me as anyone else experienced similar please i am going to see my GP asap .