The weather is warm and the cough is relieved.

Look at this symptom. If you cough in this situation, it should be that your body is cold and your cough sputum is white. You used to cough after a cold. The cold in the body has not been cleaned up, but other cold symptoms have improved. You think it's a cold, but the cold you left behind is a cough. Try to get rid of it.

Adopt it