For most people, symptoms improve within a month, leaving no lasting problems. Recurrences are fairly common, however.
Complications associated with Henoch-Schonlein purpura include:
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- Kidney damage. The most serious complication of Henoch-Schonlein purpura is kidney damage. Occasionally the damage is severe enough that dialysis or a kidney transplant may be needed.
- Bowel obstruction. In rare cases, Henoch-Schonlein purpura can cause intussusception — a condition in which a section of the bowel folds into itself like a telescope, which prevents matter from moving through the bowel.
- Henoch-Schonlein pupura. National Institute of Diabetes and Digestive and Kidney Diseases. http://kidney.niddk.nih.gov/kudiseases/pubs/hsp. Accessed May 1, 2013.
- Kliegman RM, et al. Nelson Textbook of Pediatrics. 19th ed. Philadelphia, Pa.: Saunders Elsevier; 2011. http://www.mdconsult.com/das/book/body/208746819-6/0/1608/0.html. Accessed May 1, 2013.
- AskMayoExpert. Henoch-Schonlein purpura. Rochester, Minn.: Mayo Foundation for Medical Education and Research; 2013.
- Dedeoglu F, et al. Clinical manifestations and diagnosis of Henoch-Schonlein purpura. http://www.uptodate.com/home. Accessed May 1, 2013.
- Dedeoglu F, et al. Management of Henoch-Schonlein purpura. http://www.uptodate.com/home. Accessed May 1, 2013.
- Ferri FF. Ferri's Clinical Advisor 2013:5 Books in 1. Philadelphia, Pa.: Mosby Elsevier; 2012. http://www.mdconsult.com/books/about.do?eid=4-u1.0-B978-0-323-08373-7..00002-9&isbn=978-0-323-08373-7&about=true&uniqId=343863096-23. Accessed May 1, 2013.