title: Cimetidine (but not ranitidine or famotidine) affects histamine determination.
mesh_terms: D002927:Cimetidine / Q000097:blood*; D015738:Famotidine; D006632:Histamine / Q000097:blood*; D006635:Histamine H2 Antagonists / Q000097:blood; D006801:Humans; D011899:Ranitidine / Q000097:blood; D013844:Thiazoles / Q000097:blood
chemical_list: D006635:Histamine H2 Antagonists; D013844:Thiazoles; D015738:Famotidine; D002927:Cimetidine; D006632:Histamine; D011899:Ranitidine