Treatment with intranasal dexamethasone sodium phosphate.
D000293:Adolescent; D000328:Adult; D000336:Aerosols; D002986:Clinical Trials as Topic; D003907:Dexamethasone / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010919:Placebos; D011058:Pollen; D006255:Rhinitis, Allergic, Seasonal / Q000188:drug therapy*
D000336:Aerosols; D010919:Placebos; D003907:Dexamethasone