Prescription savings
Stop paying too much for your prescriptions. Compare prices, get pharmacy coupons, and save up to 80%.Health conditions
Medications & treatment
Access & affordability
Medication discounts

Get Guaifenesin for as low as $4.34, 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 | 30 tablets | $14.66 | $13.02 |
| 400mg | 30 tablets | N/A | $9.78 |
| 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 | $18.80 | $18.02 |
| 237ml of 200mg/ 10ml | 1 bottle | N/A | $13.94 |










200+ medications are free, with hundreds more under $10. Just $14.99/mo. Terms apply.
GoodRx coupon prices last updated on 05/22/26.