Question: what is the best medicine for wet cough?
Answer: Expectorants. Expectorants are substances that help to loosen and expel mucus from the lungs. ... 
Mucolytics. Mucolytics, such as bromhexine and acetylcysteine, help break down thick, sticky chest phlegm, making it easier to cough up. ... 
Combination products. ... 
Breathing devices and exercises. ... 
Chest physiotherapy.