Active substance

Clostridium Tetani Toxoid Antigen (formaldehyde Inactivated) and Corynebacterium Diphtheriae Toxoid Antigen (formaldehyde Inactivated)

2 products from 2 companies contain this in United States.

2 prescription onlyInjection, Suspension

Prescription only

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.