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Copyright © 2026 RxSaver. All rights reserved. Savings calculated based on the pharmacy's cash price. On average, fourteen percent of RxSaver prescription purchases receive savings of 80% or more. The discount coupons offered by RxSaver are intended for out-of-pocket paying consumers and may not be used with commercial health plans or any federal or state funded health care program, such as Medicare or Medicaid. Certain states have imposed restrictions on the use of prescription drug coupons and, therefore, the RxSaver coupons are void where prohibited by law. The discount coupons available through RxSaver are not a form of insurance coverage. Prescription drug pricing fluctuates frequently. Therefore, RxSaver pricing is subject to change without notice. Nothing contained in this website, or any other RxSaver property constitutes medical advice. Please consult a medical professional for information about a specific prescription drug product. *Lowest online price at one of the following national pharmacy chains Costco, CVS, Walgreens or Walmart as of Jun 16, 2022. Prices vary by location and pharmacy. Trademarks other than RxSaver's are the property of their respective owners. Presence of a third-party trademark does not mean that RxSaver has any relationship with that third party or that such third party endorses or sponsors RxSaver.

Guaifenesin Coupons & Prices: How much does Guaifenesin cost? RxSaver

Guaifenesin Coupon Options

generic | 400mg | 30 tablets

Brand/Generic

Form

Strength

Quantity

Kroger Pharmacy

$20.00

Giant Eagle Pharmacy

$14.25

Walgreens

$6.30

Walmart

$11.12

Costco

$12.60

Discount Drug Mart

$18.00

Walgreens Specialty Pharmacy

$6.30

Community, a Walgreens Pharmacy

$6.30

Marc's

$10.74

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est. price with coupon