Treatment of hay fever with a combination of a sympathomimetic and an antihistaminic drug.
D018926:Anti-Allergic Agents; D004809:Ephedrine; D006632:Histamine; D006801:Humans; D006255:Rhinitis, Allergic, Seasonal; D013566:Sympathomimetics
D018926:Anti-Allergic Agents; D013566:Sympathomimetics; D006632:Histamine; D004809:Ephedrine
EPHEDRINE; HAY FEVER; HISTAMINE