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. The information provided herein should not be used for diagnosis or treatment of any medical condition. It is provided for your general information and is not a substitute for medical care or supervised medical treatment. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. There is no warranty that the information is free from errors and omissions or that it meets any particular standard.