Prescription savings
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Medication discounts

Get Guaifenesin ER for as low as $15.30, which is 53% off the average retail price of $32.58 for the most common version, by using a GoodRx coupon.

| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 600mg | 60 tablets | $17.30 | $15.30 |










200+ medications are free, with hundreds more under $10. Just $14.99/mo. Terms apply.
GoodRx coupon prices last updated on 05/14/26.
*Prices subject to change without notice. Sales tax may apply and is not included.