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Get Robitussin CF for as low as $5.59, which is 49% off the average retail price of $10.98 for the most common version, by using a GoodRx coupon.
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Get an extra $7.00 off Robitussin CF and up to 90% off all prescriptions. Gold plans start at just $9.99/mo. Cancel any time.*
GoodRx coupon prices last updated on 04/16/26.
*Prices subject to change without notice. Sales tax may apply and is not included.
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 118ml of 650mg/ 20mg/ 400mg/ 10mg/ 20ml | 1 bottle | $10.98 | $8.98 |
