The potentiating effect of antihistaminic drugs upon the sedative action of barbiturates.
D018926:Anti-Allergic Agents; D001462:Barbital / Q000031:analogs & derivatives / Q000494:pharmacology*; D001463:Barbiturates; D006632:Histamine; D006633:Histamine Antagonists; D006801:Humans; D006993:Hypnotics and Sedatives
BARBITAL AND DERIVATIVES/effects; HISTAMINE/antagonists