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Henoch-Schonlein purpura on the lower legs
Henoch-Schonlein purpura on the lower legs


Henoch-Schonlein purpura
Henoch-Schonlein purpura


Henoch-Schonlein purpura
Henoch-Schonlein purpura


Henoch-Schonlein purpura
Henoch-Schonlein purpura


Henoch-Schonlein purpura on an infant's foot
Henoch-Schonlein purpura on an infant's foot


Henoch-Schonlein purpura on an infant's legs
Henoch-Schonlein purpura on an infant's legs


Henoch-Schonlein purpura on an infant's legs
Henoch-Schonlein purpura on an infant's legs


Henoch-Schonlein purpura on the legs
Henoch-Schonlein purpura on the legs


Henoch-Schonlein purpura

Definition:

Henoch-Schonlein purpura is a disease that involves purple spots on the skin, joint pain, gastrointestinal problems, and glomerulonephritis (a type of kidney disorder).



Alternative Names:

Anaphylactoid purpura; Vascular purpura; Leukocytoclastic vasculitis



Causes, incidence, and risk factors:

Henoch-Schonlein is caused by an abnormal response of the immune system. It is unclear why this occurs.

The syndrome is mostly seen in children, but it may affect people of any age. It is more common in boys than in girls. Many people who develop this disease had an upper respiratory infection in the weeks before.



Symptoms:

Signs and tests:

The doctor will look at your body and look at your skin. The physical exam will show skin sores (purpura, lesions) and joint tenderness.

Tests may include:



Treatment:

There is no specific treatment. Most cases go away on their own. If symptoms do not go away, your doctor may prescribe corticosteroid medicine such as prednisone.



Expectations (prognosis):

The disease usually gets better on its own.



Complications:
  • Bleeding inside the body
  • Kidney problems (in rare cases)


Calling your health care provider:

Call your health care provider if:

  • You develop symptoms of Henoch-Schonlein purpura, particularly if they last for more than a few days
  • You have low urine output after an episode of Henoch-Schonlein purpura


References:

Ardoin SP, Fels E. Vasculitis syndromes. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds. Nelson Textbook of Pediatrics. 19th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 161.




Review Date: 4/20/2013
Reviewed By: Gordon A. Starkebaum, MD, Professor of Medicine, Division of Rheumatology, University of Washington School of Medicine. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, Bethanne Black, Stephanie Slon, and Nissi Wang.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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