Active substance
Dextromethorphan Hbr Guaifenesin
2 products from 2 companies contain this in United States.
2 without prescriptionLiquidSolution
Available without a prescription
Tussin Cough Sugar Free20 mg/10mL + 200 mg/10mLWithout prescription P & L Development, LLC · Dextromethorphan Hbr GuaifenesinTussin Dm20 mg/20mL + 200 mg/20mLWithout prescription Strategic Sourcing Services LLC · Dextromethorphan Hbr 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.