Synergism between histamine, antihistamines, and hypnotic drugs.
D001463:Barbiturates; D006632:Histamine; D006633:Histamine Antagonists; D006634:Histamine H1 Antagonists / Q000494:pharmacology*; D006801:Humans; D006993:Hypnotics and Sedatives
D001463:Barbiturates; D006633:Histamine Antagonists; D006634:Histamine H1 Antagonists; D006993:Hypnotics and Sedatives; D006632:Histamine
ANTIHISTAMINICS/effects; BARBITURATES; HISTAMINE