You don’t necessarily cough when you have pneumonia, although most people will have this symptom, but, in some cases, they don’t necessarily have respiratory irritation when they have pneumonia. Coughing is actually for the removal of phlegm. Once there is a buildup of phlegm inside the lungs or inside the airways, our organism produces a cough reflex, which sends this phlegm or this garbage outside the lungs through the airways, usually to the pharynx or directly to the spit. Sometimes in the early stage of pneumonia, it is inflammation in the lungs, just like edema or congestion in this stage, then there may be no phlegm at all, or some people have pneumonia, even if they want to help him to cause coughing, he has no phlegm. In this case, there is no particularly severe coughing sensation. At this time, we have to use some phlegm-eliminating drugs to help him, so that the lungs can produce phlegm, which is actually a protection for the lungs. If you can cough up phlegm during acute inflammation, the inflammation will recover faster.