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Cough/Cold

Robitussin DM

Dextromethorphan/Guaifenesin · 10/100 mg/5mL · syrup · qty 1

Cough suppressant + expectorant.

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Common uses & information

Robitussin DM is a brand of Dextromethorphan/Guaifenesin, a cough/cold medication supplied as syrup in a 10/100 mg/5mL strength. It is commonly used for cough suppressant + expectorant.

An FDA-approved generic (Dextromethorphan/Guaifenesin) is available and typically costs less than the brand — compare both cash prices in the table above before you fill.

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Price summary

FormClassBrand avgGeneric avgSavings
syrup 10/100 mg/5mLOTC$12.99 — generic is cheaper, see recommendation$5.49Generic recommended58%

Clinical information

Clinical content reviewed by the BetterBuyRx clinical team. Read the full wiki entry and sources →

Manufacturer & patient assistance programs

For patient assistance, check NeedyMeds and RxAssist.

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 BetterBuyRx 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.

Related medications

Compare Robitussin DM with other options and see the generic price.

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Information for general comparison only. Not medical advice. Confirm with your pharmacist.