Active substance
Natalizumab
2 products from 2 companies contain this in Canada.
2 prescription onlysolution
Prescription only
TYRUKO300 mgPrescription only Polpharma Biologics S.a. · Natalizumab · L04AG03TYSABRI300 mgPrescription only Biogen Canada Inc · Natalizumab · L04AG03
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.