Active substance

Polymyxin B Sulfate, Bacitracin Zinc, Neomycin Sulfate, and Pramoxine Hydrochloride

2 products from 2 companies contain this in United States.

2 without prescriptionOintment

Available without a prescription

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.