Cold medicine is generally taken for a few days. Generally speaking, cold medicine is a compound ingredient based on antipyretic, anti-allergic treatment of runny nose and cough medicine, and cold is a self-limiting disease. Even without medication, it can get better on its own in 10-14 days, and cold medicine is generally enough for about 7 days or 5-7 days, and generally speaking, the symptoms basically disappear. In fact, cold medicine does not have a great impact on the course of the cold, but only in the process of recovery from the cold, controlled by drugs, can reduce the symptoms brought about by the cold, while allowing the process of recovery from the disease, the body is relatively comfortable, just eat about 5-7 days, generally speaking, is enough.