Azatadine (optimine)--a new antihistamine.
D002986:Clinical Trials as Topic; D003533:Cyproheptadine / Q000031:analogs & derivatives* / Q000627:therapeutic use; D006634:Histamine H1 Antagonists / Q000009:adverse effects / Q000627:therapeutic use*; D006801:Humans; D010919:Placebos; D006255:Rhinitis, Allergic, Seasonal / Q000188:drug therapy
D006634:Histamine H1 Antagonists; D010919:Placebos; D003533:Cyproheptadine