Active substance
Dextromethorphan Hydrobromide and Quinidine Sulfate
3 products from 3 companies contain this in United States.
3 prescription onlyCapsuleCapsule, Gelatin Coated
Prescription only
Dextromethorphan Hydrobromide and Quinidine Sulfate20 mg + 10 mgPrescription only Camber Pharmaceuticals, Inc. · Dextromethorphan Hydrobromide and Quinidine SulfateNuedexta20 mg + 10 mgPrescription only Otsuka America Pharmaceutical, Inc · Dextromethorphan Hydrobromide and Quinidine SulfateNuedexta20 mg + 10 mgPrescription only Avanir Pharmaceuticals, Inc. · Dextromethorphan Hydrobromide and Quinidine Sulfate
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.