Thankfully, I get to keep my insurance coverage, and I have an appointment with a neuro Oct. 1st. I have been reading everything I can get my eyes on about this vasculitis. On the causes, there can be diseases,(and I have none of them that I know of) and drugs. The drugs listed were cocaine,heroin, and amphedemines, meth, and cold medicines with ephedrine. I about fell off my computer chair. In 1998 for over a year, I took Metabolife and lost over 60 lbs. I took it every day faithfully. It contains the natural form of ephedrine, ma hauong(sp?). That is the only possibiltiy I can think of as a cause for this condition. So PLEASE consider this, if any of you take Metabolife or similar kinds of weight loss products!!