Henoch-Schönlein purpura causes

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

The exact cause of HSP is not clear.
It may be an inappropriate immune response to triggers such as infection especially upper respiratory infection or an extreme allergic reaction to certain medications, food, insect bites or exposure to cold weather.
In HSP, the antibodies are directed against the blood vessels causing vasculitis, bleeding into the skin leading to a subsequent skin rash.
Allergic reaction to foods may cause HSP.
Very rarely HSP can occur in twins and within the family.
Certain drugs, bacteria, insect bites, viral infections, food, cold weather, and trauma may also cause HSP.
Vaccinations- certain vaccines can cause HSP such as Typhoid, HBV, Measles, Yellow fever, and Cholera.

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Drug Side Effect	Cytarabine , Deferiprone, Ethacrynic Acid, Oxytetracycline
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