Prescription
Antibiotic (Penicillin)
Crystalline Penicillin
Last reviewed April 2026
Who is this for?
What is this drug?
Crystalline Penicillin (also called Penicillin G or Benzylpenicillin) is an antibiotic injection that kills bacteria by breaking down their protective walls, stopping them from growing and spreading in your body.
What is it used for?
Serious infections like pneumoniameningitis (infection of the brain covering)blood infection (sepsis)throat infectionwound infectionheart valve infectiontetanusand other severe bacterial infections
Prescription Required
A doctor's prescription is required to obtain this drug legally.