Active substance

Pseudoephedrine Hydrochloride + Acetaminophen + Dextromethorphan Hydrobromide + Guaifenesin

4 products from 2 companies contain this in Canada.

4 without prescriptioncapsule

Available without a prescription

BUCKLEY'S COMPLETE + MUCUS RELIEF30 mg + 250 mg + 10 mg + 100 mgWithout prescriptioncapsule Haleon Canada Ulc · Pseudoephedrine Hydrochloride + Acetaminophen + Dextromethorphan Hydrobromide + Guaifenesin · N02BE51 COLD AND FLU CAPSULES30 mg + 250 mg + 10 mg + 100 mgWithout prescriptioncapsule Vita Health Products Inc · Pseudoephedrine Hydrochloride + Acetaminophen + Dextromethorphan Hydrobromide + Guaifenesin · N02BE51 COMPLETE DAYTIME LIQUID CAPSULES30 mg + 250 mg + 10 mg + 100 mgWithout prescriptioncapsule Vita Health Products Inc · Pseudoephedrine Hydrochloride + Acetaminophen + Dextromethorphan Hydrobromide + Guaifenesin · N02BE51 DAYTIME COLD MEDICATION LIQUID FASTGELS30 mg + 250 mg + 10 mg + 100 mgWithout prescriptioncapsule Vita Health Products Inc · Pseudoephedrine Hydrochloride + Acetaminophen + Dextromethorphan Hydrobromide + Guaifenesin · 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.