Active substance
Hepatitis a and Hepatitis B (recombinant) Vaccine
2 products from 2 companies contain this in United States.
2 prescription onlyInjection, Suspension
Prescription only
Twinrix720 [iU]/mL + 20 ug/mLPrescription only A-S Medication Solutions · Hepatitis a and Hepatitis B (recombinant) VaccineTwinrix720 [iU]/mL + 20 ug/mLPrescription only GlaxoSmithKline Biologicals SA · Hepatitis a and Hepatitis B (recombinant) Vaccine
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.