The main classes of antibiotics and key drugs are listed below - however there are hundreds of antibiotics and this list is by no means exhaustive. Penicillin was the first antibiotic to be discovered ...

Medically reviewed by Alex Yampolsky, PharmD Amoxicillin and penicillin (also known as penicillin V potassium or penicillin G ...

Penicillins are still widely used today, though many types of bacteria are now resistant.