title: Long-acting antihistamine-decongestant evaluation.
mesh_terms: D002986:Clinical Trials as Topic; D006634:Histamine H1 Antagonists / Q000627:therapeutic use*; D006801:Humans; D008397:Masks; D012220:Rhinitis / Q000188:drug therapy*; D006255:Rhinitis, Allergic, Seasonal / Q000188:drug therapy*
chemical_list: D006634:Histamine H1 Antagonists