title: Absence of response to histamine1 blockade in phencyclidine toxicity.
mesh_terms: D001559:Benzhydryl Compounds / Q000627:therapeutic use; D002746:Chlorpromazine / Q000627:therapeutic use; D006634:Histamine H1 Antagonists / Q000627:therapeutic use*; D006801:Humans; D010622:Phencyclidine / Q000506:poisoning*; D016593:Terfenadine
chemical_list: D001559:Benzhydryl Compounds; D006634:Histamine H1 Antagonists; D016593:Terfenadine; D010622:Phencyclidine; D002746:Chlorpromazine