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Get Guaifenesin for as low as $4.34, which is 55% off the average retail price of $9.71 for the most common version, by using a GoodRx coupon.
| Dosage | Quantity | Retail price | GoodRx price |
|---|---|---|---|
| 200mg | 30 tablets | $11.15 | $7.83 |
| 400mg | 30 tablets | $8.42 | $6.30 |
| Dosage | Quantity | Retail price | GoodRx price |
|---|---|---|---|
| 118ml of 100mg/ 5ml | 1 bottle | N/A | $11.10 |
| Dosage | Quantity | Retail price | GoodRx price |
|---|---|---|---|
| 473ml of 100mg/ 5ml | 1 bottle | $15.79 | $13.70 |
| 237ml of 200mg/ 10ml | 1 bottle | $10.74 | $9.85 |
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GoodRx coupon prices last updated on 05/01/26.
