Anaphylactoid purpura.
D000367:Age Factors; D005260:Female; D006801:Humans; D008297:Male; D011693:Purpura / Q000175:diagnosis / Q000453:epidemiology / Q000209:etiology / Q000235:genetics / Q000628:therapy; D012216:Rheumatic Diseases / Q000175:diagnosis / Q000453:epidemiology / Q000209:etiology / Q000235:genetics / Q000628:therapy; D012737:Sex Factors