Active substance

Acetaminophen + Guaifenesin + Phenylephrine Hydrochloride

2 products from 2 companies contain this in Canada.

2 without prescriptiontablet

Available without a prescription

COLD RELIEF325 mg + 200 mg + 5 mgWithout prescriptiontablet Lnk International Inc. · Acetaminophen + Guaifenesin + Phenylephrine Hydrochloride · N02BE51 MUCINEX MULTI-ACTION CONGESTION325 mg + 200 mg + 5 mgWithout prescriptiontablet Reckitt Benckiser (Canada) Inc · Acetaminophen + Guaifenesin + Phenylephrine Hydrochloride · N02BE51

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.