I have been using meth intravenously again for about 2 or 3 months. I said "again" because I had almost 5 months clean before my use started again. The past few times I have shot up I have went into the same vein, didn't hurt, didn't burn. But it makes me worried to move my arm around and it will sometime I'll get thumping in my vein. I'm pretty positive I didn't miss, so I'm wondering if maybe it's scar tissue that I'm not giving enough time to heal or what. I am going to treatment this week and I pray that this is the last one I ever have to go to, every time I start using again it's miserable. Just hoping to get an opinion without leaving having to leave home and having to go in somewhere to ask.