What is the reason for taking cold medicine very sleepy

In the clinical most of the cold medicine is compounded, many cold medicine contains paracetamol, caffeine and other ingredients, people will appear drowsy after taking the symptoms, is also one of the adverse drug reactions, so many people will feel very sleepy after eating cold medicine. For the solution there are several aspects: 1, you should take cold medicine at night, in the daytime you can take some Chinese medicine, such as cold soft capsule, cold and fever granules, Banlangen or Pu Di Lan such Chinese medicine, can reduce drowsiness, sleepy situation. 2, you can also drink more water, pay attention to rest, avoid strain, enhance physical fitness, some physical exercise, so that resistance up without taking medicine 3, for eating cold medicine is very sleepy, you can also choose such as white plus black cold medicine, white tablets during the day, black tablets at night, so that may be for sleepy, drowsy situation can also be a relief. In the selection of drugs should be analyzed on a case-by-case basis, try not to use drugs containing paracetamol or side effects that can cause drowsiness and drowsiness.