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Get Guaifenesin for as low as $8.24, which is 24% off the average retail price of $10.79 for the most common version, by using a GoodRx coupon.
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 200mg | 30 tablets | $12.11 | $7.83 |
| 400mg | 30 tablets | $8.25 | $6.30 |
| 118ml of 100mg/ 5ml | 1 bottle | N/A | $11.10 |
| 473ml of 100mg/ 5ml | 1 bottle | $15.02 | $13.70 |
| 237ml of 200mg/ 10ml | 1 bottle | $10.79 | $9.85 |
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GoodRx coupon prices last updated on 04/14/26.
