
Penicillin - Wikipedia
Penicillins (P, PCN or PEN) are a group of β-lactam antibiotics originally obtained from Penicillium moulds, principally P. chrysogenum and P. rubens.
Penicillin | Discovery, History, Uses, Types, Side Effects, & Facts ...
Nov 14, 2025 · Penicillin, antibiotic derived from Penicillium mold, one of the first antibiotics to be discovered.
Penicillin: Types, Uses & Side Effects - Cleveland Clinic
Mar 14, 2024 · Penicillin is a group of antibiotics (medications used to treat bacterial infections) that work in a specific way to destroy bacteria in your body. Types of penicillin and drugs closely related to …
List of Common Penicillins + Uses & Side Effects - Drugs.com
Penicillins are a type of antibiotic derived from Penicillium fungi. An antibiotic is a type of medicine that inhibits the growth of, or kills, bacteria. Penicillin G (also called benzylpenicillin) was discovered by …
What Is Penicillin Used For? - Verywell Health
Oct 14, 2025 · Penicillin is a type of antibiotic that treats bacterial infections like pneumonia and strep throat. Some bacteria have become resistant to penicillin, making the drug less effective. If you're …
What Is Penicillin Used For? Antibiotic Types, Side ... - MedicineNet
Penicillins are antibiotics used to treat bacterial infections that are derived from the antibiotic penicillin. Penicillin antibiotics stop bacteria from multiplying by preventing bacteria from forming the walls that …
Penicillin - PubMed
Feb 20, 2024 · Penicillin is effective against infections caused by gram-positive cocci, gram-positive rods, most anaerobes, and gram-negative cocci, and it stands as a cornerstone in the management …
Types of penicillins and their uses, common brand names, and safety ...
Apr 5, 2022 · Penicillins are part of a broader class of antibiotics known as beta-lactam antibiotics. These antibiotics contain a beta-lactam ring as part of their chemical structure, and they have strong …
Penicillin: Uses, Side Effects, Interactions, Pictures ... - WebMD
Dec 15, 2024 · Overview: Penicillin is an antibiotic that is used to treat bacterial infections. It kills certain types of bacteria by blocking their ability to create their cell wall. The most common side...
Penicillins - Infections - MSD Manual Consumer Version
Penicillins are used to treat infections caused by gram-positive bacteria (such as streptococcal infections) and some gram-negative bacteria (such as meningococcal infections). Most bacteria have …