Cough/Cold
Robitussin DM
Dextromethorphan/Guaifenesin · 10/100 mg/5mL · syrup · qty 1
Cough suppressant + expectorant.
Medically reviewed by Sara Marin, PharmD · Last verified 2026-05-18
Live verified prices
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Price summary
| Form | Class | Brand avg | Generic avg | Savings |
|---|---|---|---|---|
| syrup 10/100 mg/5mL | OTC | $12.99 | $5.49 | 58% |
FAQ
Is generic Dextromethorphan/Guaifenesin the same as Robitussin DM?
Yes. The FDA requires generics to contain the same active ingredient at the same strength as the brand. Inactive ingredients (binders, dyes) may differ.
How much can I save by choosing the generic?
On average $7.50 per fill (58% off the brand price). Savings vary by pharmacy — see live prices above.
Do I need insurance to get this price?
No. The prices shown on Tuesdays are cash prices. Often these beat insurance copays for generics.
How often is this price updated?
At minimum every 72 hours. Many sources refresh every few hours.
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Information for general comparison only. Not medical advice. Confirm with your pharmacist.