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About guaifenesin/Pseudoephedrine

GUAIFENESIN; PSEUDOEPHEDRINE 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 Guaifenesin/Pseudoephedrine for as low as $2.99, save up to 80% off the average retail price for the most common version, by using a GoodRx coupon.

Guaifenesin/Pseudoephedrine

Generic Mucinex D

Guaifenesin/Pseudoephedrine

Drug Info Side Effects Dosage Medicare

Guaifenesin/Pseudoephedrine

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Standard GoodRx price

*Prices subject to change without notice. Sales tax may apply and is not included.

$

25.94

GoodRx coupon prices last updated on 05/18/26.

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Start a transfer to use this coupon.

Ways to save on guaifenesin/Pseudoephedrine

These programs and tips can help make your prescription more affordable

Gold coin

Other Expectorant / Alpha-1 Agonist Combinations

Guaifenesin/Phenylephrine

Related conditions

Nasal Congestion

Read more about guaifenesin/Pseudoephedrine

See more about Cough

Mucinex D vs. Mucinex DM: 7 Differences Between These Cough and Cold Medications

Mucinex D vs. Mucinex DM: 7 Differences Between These Cough and Cold Medications

Written By Kristine Foley, PharmD

How to Get Rid of a Cough Without a Prescription: Tips and Over-the-Counter Cough Remedies

How to Get Rid of a Cough Without a Prescription: Tips and Over-the-Counter Cough Remedies

Written By Karla Robinson, MD

Mucinex D Dosages: Your GoodRx Guide

Mucinex D Dosages: Your GoodRx Guide

Written By Sarah Morin, RPh

Guaifenesin/Pseudoephedrine prices by dosage

Guaifenesin/Pseudoephedrine tablet prices

Default quantities vary by dosage and the displayed quantity represents the most commonly filled. Retail prices shown are the average costs that users pay for these drugs, and do not reflect pharmacy pricing in your specific location.
Dosage	Quantity	Retail price	GoodRx price

400mg/ 40mg

30 tablets

N/A

600mg/ 60mg

18 tablets

$11.09

1200mg/ 120mg

14 tablets

$15.27