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