If you have a cough at night, you can take the following medications or foods to relieve the symptoms: 1. If the symptoms of coughing at night are not serious and you only have an occasional cough, you can improve the symptoms by eating pears because they can clear the lungs and moisten the throat and relieve coughs caused by throat discomfort or lung fever. 2. If the patient has a dry cough at night, he can take cough suppressant medication such as cough suppressant. 5. Cough symptoms caused by cough variant asthma can be treated with medication such as aminophylline.