Coupons & cash prices
Robitussin DM Coupons & Discount Prices — 2026
The lowest cash price we track for Robitussin DM 10/100 mg/5mL is about $5.49. Compare every pharmacy below.
Price comparison
Compare live prices on the Robitussin DM page for the latest cash prices.
See live Robitussin DM prices →Manufacturer coupons
No active manufacturer coupon on file. Compare pharmacy cash prices above — discount coupons like GoodRx are free and require no insurance.
How to use a coupon
1. Pick the lowest price
Find the pharmacy with the lowest cash price for Robitussin DM in the table below.
2. Show the coupon
Present the free discount coupon (printed or on your phone) to the pharmacist when you drop off the prescription.
3. Pay the cash price
Pay the discounted cash price. Coupons can't be combined with insurance, so use whichever is lower.
FAQ
Are Robitussin DM coupons free to use?
Yes. Discount coupons like GoodRx are free and require no membership. Show the coupon at the pharmacy counter to get the cash price.
Does Robitussin DM have a manufacturer coupon?
We don't have an active manufacturer coupon on file for Robitussin DM. Compare pharmacy cash prices below, which anyone can use without enrollment.
Can I use a coupon with insurance?
No — discount coupons and insurance can't be combined on the same fill. Compare the cash-coupon price against your copay and use whichever is cheaper.