Treatment of dental caries does not usually cause cough, and cough is mainly associated with bronchitis, variant cough, asthma and other diseases, can be taken according to the cause of the general treatment, drug treatment and special treatment to relieve symptoms. 1. Bronchitis: Dextromethorphan can be taken for cough caused by this disease, and it is recommended to combine with Ambroxol Hydrochloride for treatment if sputum is not easy to discharge. If the cough is combined with bacterial infection, cefixime can be taken orally to reduce inflammation. 2. Variable cough: related to contact with allergic factors, when an allergic reaction occurs, oral antihistamines should be taken, such as loratadine, severe cough, can be combined with glucocorticoid inhalation nebulizer therapy, such as dexamethasone, methylprednisolone, and so on. 3. Asthma: If only mild asthma, it is recommended to use salbutamol for inhalation nebulizer treatment, and for moderate asthma acute attack, and then add beclomethasone propionate or budesonide treatment, for severe asthma, should be timely consultation. At present, the cough is more severe, it is recommended to consult a doctor as soon as possible, and analyze the cause of the disease through lung CT, bronchoscopy, and take regular treatment. The above drugs should be used as prescribed by the doctor.