Frequent coughing during the day needs to be clear about the cause of the disease, may be physiological phenomenon, inhalation of dust, cold air, etc., generally do not need to use drugs, but may also be caused by diseases, such as chronic pharyngitis, acute bronchitis, and so on. Chronic pharyngitis can be treated with drugs such as compound chlorhexidine gargle, and acute bronchitis can be treated with drugs such as dextromethorphan hydrobromide oral solution. 1. Physiological phenomenon: poor outdoor air during the day, inhaling too much dust, or being stimulated by cold air may cause frequent coughing in the daytime, which is a physiological phenomenon and does not need to be treated with medication. 2. Disease factors (1) Chronic pharyngitis: Because of the itchy and dry feeling in the throat, it will cause frequent coughing during the daytime, which can be treated with cotrimoxazole gargle or mint throat tablets. Note that Cloxacillin Gargle is for gargling only and should not be swallowed; the precautions and contraindications of Menthol Throat Tablets are not clear. (2) Acute bronchitis: When the inflammation involves the bronchial mucosa, cough and sputum will appear. Cough is the main manifestation of acute bronchitis, you can take dextromethorphan hydrobromide oral solution drug treatment. Note that this product is contraindicated for women within 3 months of pregnancy, those with a history of psychiatric disorders and nursing mothers. (3) Other: there are many causes of cough, such as cough variant asthma, eosinophilic bronchitis, nasal secretion reflux stimulation cough, gastroesophageal reflux stimulation cough, etc., need to be given according to different causes of targeted treatment. There are many causes of frequent coughing during the day, you need to consult a doctor in time to find out the cause, and choose different medications under the guidance of a professional doctor, do not blindly use drugs.