title: Hay fever. Choosing a medicine.
mesh_terms: D000281:Administration, Intranasal; D000305:Adrenal Cortex Hormones / Q000008:administration & dosage; D006634:Histamine H1 Antagonists / Q000627:therapeutic use*; D006801:Humans; D006255:Rhinitis, Allergic, Seasonal / Q000188:drug therapy* / Q000209:etiology
chemical_list: D000305:Adrenal Cortex Hormones; D006634:Histamine H1 Antagonists