[ANTIHISTAMINICS].
D018926:Anti-Allergic Agents; D004358:Drug Therapy; D006634:Histamine H1 Antagonists; D006801:Humans; D006967:Hypersensitivity
D018926:Anti-Allergic Agents; D006634:Histamine H1 Antagonists
ANTIHISTAMINICS; DRUG THERAPY; HYPERSENSITIVITY
ANTIHISTAMINICA.