Severe coughing or coughing more frequently is a disease that causes discomfort and pain, affecting life, work, sleep, and can even cause chest pain, fractures, urine loss, fainting, etc. At this time, you need to use cough medicine or cough medicine to reduce symptoms, effective cough medicine include: 1, cough medicine, divided into central cough medicine and peripheral cough medicine, central cough medicine is divided into addictive The addictive drugs are mainly codeine, the non-addictive drugs are mainly dextromethorphan, pentoxifylline, etc. The peripheral cough suppressants are mainly benzpirin, etc.; 2. Expectorants, which are compound preparations, need to choose different cough suppressants according to the nature of the cough. Those with mild coughs and relatively small amounts of sputum can choose cough syrup, while those with severe coughs, frequent coughs and coughs that worsen at night or even affect sleep can choose cough suppressants, such as codeine, dextromethorphan and benpropirin. If you have a cough with a lot of phlegm, you can use expectorant cough medicines, such as compound cough and phlegm medicines, if your cough has a lot of phlegm and the phlegm is sticky. Coughing is a protective defense reflex. Occasional coughing is not only harmless but also has a protective effect on the body and does not require medication.