Active substance

Polymyxin B Sulfate + Bacitracin Zinc

3 products from 3 companies contain this in Canada.

3 without prescriptionointment, padointment

Available without a prescription

ANTIBIOTIC OINTMENT10000 unit + 500 unitWithout prescriptionointment Cellchem Pharmaceuticals Inc. · Polymyxin B Sulfate + Bacitracin Zinc · D06AX30 BAND-AID BRAND ADHESIVE BANDAGES PLUS ANTIBIOTIC10000 unit + 500 unitWithout prescriptionointment, pad Kenvue Canada Inc. · Polymyxin B Sulfate + Bacitracin Zinc · D06AX30 DOUBLE ANTIBIOTIC OINTMENT10000 unit + 500 unitWithout prescriptionointment Encube Ethicals Pvt Ltd. · Polymyxin B Sulfate + Bacitracin Zinc · D06AX30

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.