Henoch-Schonlein purpura is a particular form of blood vessel inflammation called vasculitis.; Henoch-Schonlein purpura frequently follows an infection of the throat or breathing passages, but it can be induced by certain medications.; Henoch-Schonlein purpura causes skin rash, pain in the abdomen, and joint inflammation ().; The treatment of Henoch-Schonlein purpura is directed toward the …

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