title: Histamine and acetaminophen--a reader's "untoward" reaction.
mesh_terms: D000082:Acetaminophen / Q000276:immunology / Q000494:pharmacology*; D001241:Aspirin / Q000009:adverse effects / Q000276:immunology; D001249:Asthma / Q000139:chemically induced; D006632:Histamine / Q000276:immunology / Q000494:pharmacology / Q000502:physiology*; D006801:Humans
chemical_list: D000082:Acetaminophen; D006632:Histamine; D001241:Aspirin