Henoch-Schonlein purpura is a disease that involves purple spots on the skin, joint pain, gastrointestinal problems, and glomerulonephritis (a type of kidney disorder).
Henoch-Schonlein is caused by an abnormal response of the immune system. It is unclear why this occurs.
The syndrome is usually seen in children, but it may affect people of any age. It is more common in boys than in girls. Many people with Henoch-Schonlein purpura had an upper respiratory illness in the weeks before.
The doctor will examine your body and look at your skin. The physical exam will reveal skin sores (lesions) and joint tenderness.
Tests may include:
There is no specific treatment. Most cases go away on their own without treatment. If symptoms persist, your doctor may recommend therapy with corticosteroids such as prednisone.
The disease usually gets better on its own without treatment.
Call for an appointment with your health care provider if:
Anaphylactoid purpura; Vascular purpura