Active substance

Rifaximin

2 products from 2 companies contain this in Canada.

2 prescription onlytablet

Prescription only

LUPIN-RIFAXIMIN550 mgPrescription onlytablet Lupin Pharma Canada Limited · Rifaximin · A07AA11 ZAXINE550 mgPrescription onlytablet Salix Pharmaceuticals Inc · Rifaximin · A07AA11

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.