Active substance
Dextromethorphan Hydrobromide, Guaifenesin and Phenylephrine Hydrochloride
2 products from 2 companies contain this in United States.
2 without prescriptionTabletLiquid
Available without a prescription
Aquanaz15 mg + 400 mg + 10 mgWithout prescription Capital Pharmaceutical, LLC · Dextromethorphan Hydrobromide, Guaifenesin and Phenylephrine HydrochlorideVicks Dayquil Cough Dm Plus Congestion10 mg/15mL + 5 mg/15mL + 200 mg/15mLWithout prescription The Procter & Gamble Manufacturing Company · Dextromethorphan Hydrobromide, Guaifenesin and Phenylephrine Hydrochloride
Same substance is not the same product. Strength, form, release mechanism and other ingredients all differ. Whether one can replace another is a decision for a pharmacist.