I'm a past meth IV drug user and I am having pain in my left elbow and knee. I haven't used in 7 weeks BC it was getting really bad. Poor or no circulation in my left arm,tingling numbness and discoloration in my left hand affecting my pinky and that side of my q and ! into my arm as well as the left side of my neck and the back left side of my head and around my. Swelling in the left side of my neck as well. It subsided once I stopped but now has come back,but now the pain is getting bad in my left elbow joint and left knee joint, numbness,poor circulation and tingling in my left arm as well. Please tell me what's wrong with me.