Prescription savings
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Medication discounts

Get Dextromethorphan/Guaifenesin/Phenylephrine for as low as $528.20, which is 53% off the average retail price of $1,119.08 for the most common version, by using a GoodRx coupon.
You can save more on select medications with GoodRx Companion. See which medications are eligible.

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Pricing is calculated based on your prescription details.
GoodRx coupon prices last updated on 11/04/26.
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 240ml of 18mg/ 200mg/ 10mg/ 15ml | 1 bottle | $18.46 | $18.46 |
| 177ml of 20mg/ 400mg/ 10mg/ 20ml | 1 bottle | N/A | $12.06 |
| 118ml of 5mg/ 100mg/ 2.5mg/ 5ml | 1 bottle | N/A | $16.89 |