title: Anaphylactic shock due to nicotinic acid.
mesh_terms: D000707:Anaphylaxis; D006801:Humans; D006967:Hypersensitivity / Q000209:etiology*; D007154:Immune System Diseases; D009525:Niacin / Q000494:pharmacology*; D009539:Nicotinic Acids
chemical_list: D009539:Nicotinic Acids; D009525:Niacin
keywords: ANAPHYLAXIS AND ALLERGY/etiology and pathogenesis; NICOTINIC ACID/effects