Vasculitis can affect people of all ages and races and both sexes. Some types of vasculitis seem to occur more often in people who: Have certain medical conditions, such as chronic hepatitis B or C infection Have certain autoimmune diseases, such a lupus, rheumatoid arthritis, and scleroderma Smoke For more information, go to Types of Vasculitis. 
Who is at risk for Vasculitis? ?