Skip to main content

Check your prescription details

Choose pharmacy

About generic Mucinex

prescription bottle
GUAIFENESIN treats cough and chest congestion. It works by thinning and loosening mucus, making it easier to clear from the head, throat, and lungs. It belongs to a group of medications called expectorants.

Get Guaifenesin ER for as low as $11.13, which is 75% off the average retail price of $44.94 for the most common version, by using a GoodRx coupon.

Ways to save on generic Mucinex

These programs and tips can help make your prescription more affordable
Gold coin


Other Expectorants

Related conditions

Browse medications

View All
Research prescriptions and over-the-counter medications from A to Z, compare drug prices, and start saving.