Budesonide (nasal spray) can be used in the treatment of allergic rhinitis. Budesonide belongs to the class of glucocorticoid drugs, with potent local anti-inflammatory and anti-allergic effects. Nasal medication has the effect of contracting nasal turbinates, reducing nasal secretions and suppressing nasal itching. Budesonide Nasal Spray is suitable for the treatment of seasonal and perennial allergic rhinitis, prevention of nasal polyp regeneration after removal of nasal polyps, symptomatic treatment of nasal polyps, adverse reactions include local irritation, rhinorrhea, hemorrhagic nasal secretions, nasal mucosal ulcers, urticaria, rashes, etc., and is contraindicated for those who are allergic to the drug. Allergic rhinitis patients need to follow the doctor’s instructions to use budesonide nasal spray, as well as cetirizine, loratadine and other anti-allergy drug treatment, daily avoid allergens, keep the environment clean and hygienic, avoid contact with pollen and so on.