Henoch-Schonlein purpura (HSP) makes the small blood vessels in your body swell. It can cause a red or purple rash on your legs and buttocks, joint pain, or belly pain.
Often the cause of HSP is not known. Sometimes it can be caused by another illness, such as a cold or virus. Some foods, or even an insect bite, can also trigger HSP.
Most of the time, the rash and joint pain should go away within a few weeks. Belly pain will likely go away sooner, within 3 days in most cases.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse call line if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.
Call your doctor or nurse call line now or seek immediate medical care if:
Watch closely for changes in your health, and be sure to contact your doctor or nurse call line if:
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Current as of: September 26, 2018
Adam Husney MD - Family Medicine & Martin J. Gabica MD - Family Medicine
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