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Get Robitussin DM for as low as $13.14, which is 29% off the average retail price of $18.39 for the most common version, by using a GoodRx coupon.
| Dosage | Quantity | Retail price | GoodRx price |
|---|---|---|---|
| 273ml | 237 ml | $19.11 | $16.07 |
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GoodRx coupon prices last updated on 05/02/26.
