title: Severe allergic reaction: an unusual complication of barium enema.
abstract: This article describes a severe allergic reaction to a barium sulfate compound used during double-contrast colon examination. This unusual complication is probably induced by chemical agents used as additives in the commercially available barium preparations. The pertinent literature is briefly reviewed.
mesh_terms: D000328:Adult; D000707:Anaphylaxis / Q000139:chemically induced*; D001466:Barium Sulfate / Q000009:adverse effects*; D003106:Colon / Q000000981:diagnostic imaging; D004733:Enema; D005260:Female; D006801:Humans; D010226:Parabens / Q000009:adverse effects; D010592:Pharmaceutic Aids / Q000009:adverse effects; D011859:Radiography
chemical_list: D010226:Parabens; D010592:Pharmaceutic Aids; D001466:Barium Sulfate; C015358:methylparaben