Active substance
Dextromethorphan Hydrobromide Guaifenesin
3 products from 3 companies contain this in United States.
3 without prescriptionLiquid
Available without a prescription
Mucus Dm20 mg/20mL + 400 mg/20mLWithout prescription Rite Aid Corporation · Dextromethorphan Hydrobromide GuaifenesinMucus Relief Dm20 mg/20mL + 400 mg/20mLWithout prescription The Kroger Co. · Dextromethorphan Hydrobromide GuaifenesinMucus Relief Dm Maximum Strength20 mg/20mL + 400 mg/20mLWithout prescription CVS Pharmacy · Dextromethorphan Hydrobromide Guaifenesin
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.