Active substance

Dextromethorphan Hydrobromide + Pheniramine Maleate + Phenylephrine Hydrochloride

2 products from 2 companies contain this in Canada.

2 without prescriptionsyruppowder for solution

Available without a prescription

HOT LIQUID RELIEF FOR SYMPTOMS OF COLD AND COUGH20 mg + 20 mg + 10 mgWithout prescriptionpowder for solution Cellchem Pharmaceuticals Inc. · Dextromethorphan Hydrobromide + Pheniramine Maleate + Phenylephrine Hydrochloride · R05DA20 PULMORPHAN PEDIATRIQUE5 mg + 5 mg + 2 mgWithout prescriptionsyrup Laboratoire Riva Inc. · Dextromethorphan Hydrobromide + Pheniramine Maleate + Phenylephrine Hydrochloride · R05DA20

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.