Cough is considered to be relatively common in daily life, but some people always have phlegm when they cough, which is very uncomfortable. Here are the medicines that should be used in various cases. 1. Expectorant cough medicine. The most common is also the expectorant cough medicine, which is suitable for most cases and can generally solve the problem of phlegm. But some times if the condition is serious, or to choose other drugs. 2. Medicines to clear the fire. Some times cough is also caused by fire, this time to eat some fire-clearing drugs will also be better, these drugs also have a certain phlegm-clearing effect, can help to expel phlegm, can be safely used. 3, the treatment of inflammatory drugs. If it is a simple cough with phlegm that is fine, if it is caused by inflammation, then you need to pay special attention. At this time, the use of phlegm or phlegm expulsion drugs can only relieve a little, and not cure. In order to really cure, you need to find out what’s wrong and then treat the disease, it should be much better. After all this, everyone should be clear about how to do it, but, no matter what the situation is, it is important to deal with it in a timely manner to prevent a minor illness from becoming a major one.