Active substance
Influenza, inactivated, split virus or surface antigen
2 products from 2 companies contain this in Bulgaria.
2 prescription onlysuspension for injection
Prescription only
EflueldaEfluelda suspPrescription only Sanofi Winthrop Industrie · Influenza, inactivated, split virus or surface antigen · J07BB02InfluvacInfluvac suspension for injection in pre-filled syringePrescription only Viatris Healthcare Limited · Influenza, inactivated, split virus or surface antigen · J07BB02
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.