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Get Mucinex DM for as low as $6.36, which is 67% off the average retail price of $19.04 for the most common version, by using a GoodRx coupon.

| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 600mg/ 30mg | 20 tablets | $19.01 | $13.36 |
| 1200mg/ 60mg | 14 tablets | $19.72 | $14.46 |
GoodRx coupon prices last updated on 04/26/26.