Cough caused by allergic rhinitis usually requires medication, commonly used cetirizine or loratadine for anti-allergy treatment, oral cetirizine capsules and other cough suppressant drugs, budesonide aerosol nebulizer inhalation treatment. 1. Anti-allergic treatment: allergic rhinitis should be treated for allergic symptoms first, commonly used drugs are cetirizine or loratadine. There may be a slight drowsiness and other adverse reactions, renal insufficiency, pregnant and lactating women or children should be used with caution, should be used in accordance with medical advice. 2. Cough suppressants: Commonly used cough suppressants are compound methoxynamine capsules, codeine phosphate, etc. They are usually not used for a long period of time, and can easily cause addiction. 3. Nebulized inhalation therapy: the use of budesonide aerosol can reduce the local inflammatory state of allergic rhinitis, so as to stop coughing. It is recommended that patients go to the hospital for consultation to clarify the cause of the disease and then standardize the use of medication and treatment, do not use drugs without authorization, so as not to cause adverse consequences.