Active substance
Hepatitis a Vaccine
4 products from 2 companies contain this in United States.
4 prescription onlyInjection, Suspension
Prescription only
Havrix1440 [iU]/mLPrescription only A-S Medication Solutions · Hepatitis a VaccineHavrix720 [iU]/.5mLPrescription only A-S Medication Solutions · Hepatitis a VaccineHavrix720 [iU]/.5mLPrescription only GlaxoSmithKline Biologicals SA · Hepatitis a VaccineHavrix1440 [iU]/mLPrescription only GlaxoSmithKline Biologicals SA · Hepatitis a 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.