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Get Guaifenesin/Phenylephrine for as low as $3.12, which is 71% off the average retail price of $10.92 for the most common version, by using a GoodRx coupon.
GoodRx coupon prices last updated on 05/09/26.
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 400mg/ 10mg | 30 tablets | N/A | $10.12 |
