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%.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
Get Guaifenesin for as low as $4.34, which is 54% off the average retail price of $9.52 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 | $10.95 | $10.33 |
| 400mg | 30 tablets | $7.86 | $6.30 |
| 118ml of 100mg/ 5ml | 1 bottle | N/A | $6.85 |
| 473ml of 100mg/ 5ml | 1 bottle | $15.44 | $11.47 |
| 237ml of 200mg/ 10ml | 1 bottle | $10.69 | $9.85 |
Popular offers
200+ medications are free, with hundreds more under $10. Just $14.99/mo. Terms apply.
GoodRx coupon prices last updated on 05/20/26.
