allergic purpura

n.
  1. Nonthrombocytopenic purpura due to sensitization to foods, drugs, or insect bites.anaphylactoid purpura
  2. Henoch-Schönlein purpura
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.