Vessel inflammation: Several causes had been linked to certain types of vasculitis but most of them we do not know the causes. There are what we call primary vasculitis ( meaning without underlying disease/process) and secondary vasculitis to for example other rheumatic diseases like lupus or rheumatoid vasculitis. Infections like hepatitis C and/or B are linked to others. Also drugs can cause vasculitis.
Answered 12/13/2014
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