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%.Resources
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Find expert answers to your health questions so you can make the best decisions for yourself and your family.Health conditions
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Medication discounts
Get Guaifenesin DM for as low as $5.22, which is 65% off the average retail price of $14.71 for the most common version, by using a GoodRx coupon. Learn about saving on prescription medications with GoodRx Companion.
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Pricing is calculated based on your prescription details.
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 100mg/ 10mg/ 5ml | 237 ml | N/A | $17.69 |
| 200mg/ 10mg | 30 capsules | $14.71 | $12.22 |
| 200mg/ 10mg/ 5ml | 473 ml | $12.27 | $12.27 |
| 200mg/ 20mg/ 10ml | 240 ml | N/A | $13.39 |
| 200mg/ 20mg/ 20ml | 118 ml | $10.58 | $9.83 |
| 400mg/ 20mg/ 20ml | 118 ml | N/A | $11.80 |
| 400mg/ 20mg | 20 tablets | N/A | $11.81 |
| 600mg/ 30mg | 20 tablets | N/A | $19.79 |
| 1200mg/ 60mg | 20 tablets | $11.15 | $11.15 |
GoodRx coupon prices last updated on 09/10/26.
*Prices subject to change without notice. Sales tax may apply and is not included.250+ medications are free, with hundreds more under $10. Plans start at $9.99/mo. (when paid yearly). Terms apply.
