Active substance

Acetaminophen, Guaifenesin, Phenylephrine Hydrochloride

3 products from 3 companies contain this in United States.

3 without prescriptionLiquidTablet, Coated

Available without a prescription

Cold and Sinus Maxium Strength650 mg/20mL + 400 mg/20mL + 10 mg/20mLWithout prescriptionLiquid DeMoulas Market Basket · Acetaminophen, Guaifenesin, Phenylephrine Hydrochloride Tylenol Sinus Severe325 mg + 200 mg + 5 mgWithout prescriptionTablet, Coated Jones Healthcare Group - Packaging Services, Inc · Acetaminophen, Guaifenesin, Phenylephrine Hydrochloride Tylenol Sinus Severe325 mg + 200 mg + 5 mgWithout prescriptionTablet, Coated Savings Distributors LLC · Acetaminophen, Guaifenesin, 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.