Vasculitis occurs because of inflammation and damage to blood vessels. The inflammation of allergic vasculitis is the result of an allergic reaction to a drug or other foreign agent.
Review Date: 4/20/2005
Reviewed By: Stanford Peng, M.D., Ph.D., Division of Rheumatology, Washington University School of Medicine, St. Louis, MO. Review provided by VeriMed Healthcare Network.
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