title: Azelastine nasal spray for allergic rhinitis.
mesh_terms: D000281:Administration, Intranasal; D000336:Aerosols; D004347:Drug Interactions; D006634:Histamine H1 Antagonists / Q000008:administration & dosage* / Q000009:adverse effects / Q000493:pharmacokinetics; D006801:Humans; D010793:Phthalazines / Q000008:administration & dosage* / Q000009:adverse effects / Q000493:pharmacokinetics; D012221:Rhinitis, Allergic, Perennial / Q000188:drug therapy*; D006255:Rhinitis, Allergic, Seasonal / Q000188:drug therapy*
chemical_list: D000336:Aerosols; D006634:Histamine H1 Antagonists; D010793:Phthalazines; C020976:azelastine