There are many drugs that can be used to treat coughs, and the following ones have positive effects: 1. Central cough medicines, such as codeine solution and dextromethorphan; 2. Peripheral cough suppressants such as nalcodine; 3. Those who cough while their sputum is not easily discharged can use ambroxol, bromoacetin, acetylcysteine, myrtle oil, etc.; 4. Proprietary Chinese medicines for coughs include Xuanlung and cough suppressant combination, which is mainly used for cold coughs, while those with hot coughs can For coughs with itchy throat, no phlegm and nasal congestion, you can choose snake gall and Sichuan pepper loquat cream. Cough is a common symptom of the respiratory tract, and there are many causes of cough. Some coughs may be related to the patient’s airway hyperresponsiveness and allergies. This type of cough can be treated with anti-allergy drugs, bronchodilators and hormones.