Nasal sprays for allergic rhinitis include glucocorticosteroids, antihistamines, decongestants, etc., which should be used under the guidance of a doctor, not blindly. 1. Nasal spray glucocorticoids: common budesonide nasal spray, mometasone furoate nasal spray, clinically used to reduce the inflammatory reaction of the nasal cavity occurring in allergic rhinitis, to improve the symptoms of nasal congestion, runny nose. 2. Nasal spray antihistamine: common azelastine hydrochloride nasal spray, mainly used to alleviate allergic rhinitis caused by sneezing, itchy nose and other related symptoms. 3. Nasal decongestant: common hydroxymetazoline, seroquel, used to relieve allergic rhinitis and other symptoms caused by nasal congestion and excessive secretion, but note that can not be used continuously for more than 7 days. The above sprays are commonly used sprays for allergic rhinitis with different effects, and should be used under doctor’s guidance. Usually pay attention not to contact with related allergens to prevent rhinitis attacks.