Medically reviewed by Jason DelCollo, DOMedically reviewed by Jason DelCollo, DO An expectorant is a type of cough medicine that thins and loosens mucus. These medications are typically used for ...

Expectorants are medications that help thin and loosen mucus, making it easier to cough it out of your lungs, airways, or throat. When you have a nagging cough or mucus buildup that just won't go away ...