Skip to main content

About Gilphex

prescription bottle
GUAIFENESIN; PHENYLEPHRINE treats the symptoms of the common cold, allergies, or flu. It works by decreasing a runny or stuffy nose and loosening mucus. It is a combination of a decongestant and an expectorant.

Get Gilphex for as low as $11.59, which is 56% off the average retail price of $26.24 for the most common version, by using a GoodRx coupon.

Ways to save on Gilphex

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

Other Expectorant / Alpha-1 Agonist Combinations

Related conditions

Browse medications

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