Active substance

Dextromethorphan Hbr Doxylamine Succinate

3 products from 2 companies contain this in United States.

3 without prescriptionChewable GelKitLiquid

Available without a prescription

Childrens Nighttime Mucus10 mg + 6.25 mgWithout prescriptionChewable Gel Walgreens · Dextromethorphan Hbr Doxylamine Succinate Daytime Nighttime ChewableWithout prescriptionKit Walgreens · Dextromethorphan Hbr Doxylamine Succinate Nighttime Cough Relief30 mg/30mL + 12.5 mg/30mLWithout prescriptionLiquid QUALITY CHOICE (Chain Drug Marketing Association) · Dextromethorphan Hbr Doxylamine Succinate

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.