title: The mechanism of the potentiation of norepinephrine by antihistaminics.
mesh_terms: D000818:Animals; D001794:Blood Pressure / Q000187:drug effects; D002744:Chlorpheniramine / Q000494:pharmacology; D003042:Cocaine / Q000494:pharmacology*; D004357:Drug Synergism; D005260:Female; D006321:Heart / Q000187:drug effects*; D006325:Heart Atria / Q000187:drug effects; D006634:Histamine H1 Antagonists / Q000494:pharmacology*; D007545:Isoproterenol / Q000494:pharmacology; D009638:Norepinephrine / Q000378:metabolism*; D011311:Pressoreceptors / Q000187:drug effects*; D011398:Promethazine / Q000494:pharmacology; D051381:Rats; D013564:Sympathetic Nervous System / Q000187:drug effects*; D014309:Tripelennamine / Q000494:pharmacology; D014316:Tritium
chemical_list: D006634:Histamine H1 Antagonists; D014316:Tritium; D014309:Tripelennamine; D002744:Chlorpheniramine; D011398:Promethazine; D003042:Cocaine; D007545:Isoproterenol; D009638:Norepinephrine