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Henoch-Schonlein purpura (HSP) makes the small blood vessels in your child's body swell. It can cause a red or purple rash on the 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. Certain foods, or even an insect bite, can also trigger HSP.
Most of the time, the rash and joint pain 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 child's treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse call line if your child is having problems. It's also a good idea to know your child's test results and keep a list of the medicines your child takes.
Call your doctor or nurse call line now or seek immediate medical care if:
Watch closely for changes in your child's health, and be sure to contact your doctor or nurse call line if:
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Current as of: July 14, 2019
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine & Martin J. Gabica MD - Family Medicine
Care instructions adapted under license by your healthcare professional. If you have questions about a medical condition or this instruction, always ask your healthcare professional. Healthwise, Incorporated disclaims any warranty or liability for your use of this information.
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