Antihistaminic drugs in the treatment of allergic conditions.
D018926:Anti-Allergic Agents; D006634:Histamine H1 Antagonists / Q000627:therapeutic use*; D006967:Hypersensitivity / Q000628:therapy*
D018926:Anti-Allergic Agents; D006634:Histamine H1 Antagonists
ALLERGY/therapy; ANTIHISTAMINICS/therapeutic use