Find expert answers to your health questions so you can make the best decisions for yourself and your family.Prescription savings
Stop paying too much for your prescriptions. Compare prices, get pharmacy coupons, and save up to 80%.Resources
About GoodRx
Find expert answers to your health questions so you can make the best decisions for yourself and your family.Health conditions
Medications & treatment
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Medication discounts
Popular offers
Get Guaifenesin for as low as $5.60, save up to 80% off the average retail price for the most common version, by using a GoodRx coupon.
| Dosage | Quantity | Retail price | GoodRx price |
|---|---|---|---|
| 200mg | 20 tablets | N/A | $12.07 |
| 400mg | 30 tablets | N/A | $10.82 |
200+ medications are free, with hundreds more under $10. Plans start at $9.99/mo. (when billed yearly).
GoodRx coupon prices last updated on 07/18/26.
