Treatment:

Corticosteroids (given in low doses) or other drugs that suppress the immune system may reduce inflammation of the blood vessels.

See also:

• Henoch-Schonlein purpura
• Kawasaki disease
• Polyarteritis nodosa

Expectations (prognosis):

The outcome depends on the location of the vasculitis and the severity of tissue damage.

Complications:

• Permanent damage to the structure or function of the affected area
• Secondary infections of necrotic tissues

Calling your health care provider:

Call your health care provider if you have symptoms of necrotizing vasculitis.

Emergency symptoms include:

• Changes in pupil size
• Loss of function of an arm, leg, or other body part
• Speech problems
• Swallowing difficulty
• Weakness