You can drink milk after taking cold medicine because milk is rich in nutrients and proteins, which can replenish the nutrients needed by the body and also synthesize the enzymes and proteins needed. In addition to drinking milk during a cold, you can also eat more fresh fruits and vegetables to supplement vitamins as well as trace elements. During a cold, you should pay attention to drink more water to promote excretion and help the body to eliminate the toxins in the body. Take care to rest, don’t overwork, and avoid strenuous exercise. Because during a cold the person’s immunity is relatively poor, if strenuous exercise, the pores will unfold, aggravating the condition.