Antibiotics specifically treat infections caused by bacteria, such as Staph., Strep., or E. coli., and either kill the bacteria (bactericidal) or keep it from reproducing and growing (bacteriostatic). And remember, antibiotics do not work against viral infections, like a cold, most coughs or COVID. When should I use an antibiotic?

An antibiotic is a type of antimicrobial substance active against bacteria. It is the most important type of antibacterial agent for fighting bacterial infections, and antibiotic medications are widely used in the treatment and prevention of such infections. [1][2] They may either kill or inhibit the growth of bacteria.

Apr 4, 2025 · Antibiotic, chemical substance produced by a living organism, generally a microorganism, that is detrimental to other microorganisms. Antibiotics came into worldwide prominence with the introduction of penicillin in 1941.

Mar 13, 2024 · Antibiotics are medicines that help stop infections caused by bacteria. They do this by killing the bacteria or by keeping them from copying themselves or reproducing. The word antibiotic means...

An antibiotic refers to any substance that stops bacteria from growing. The antibiotics you take may be entirely made from natural products. Or, they may include synthetic (made in a lab) substances.

Sep 22, 2021 · Antibiotics like amoxicillin are medicines that treat bacterial infections. Some antibiotics break down cell walls, while others inhibit protein production. This kills or prevents bacteria...

May 18, 2015 · Antibiotics are common agents used in modern healthcare. This was not always the case. From ancient times, people sought ways to treat those with infections. Dyes, molds, and even heavy metals were thought to hold promise for healing.[1] Various microorganisms have medical significance, including bacteria, viruses, fungi, and parasites. Antibiotics are …

Dec 18, 2023 · Antibiotics are powerful medications that treat certain infections and can save lives when used properly. They either stop bacteria from reproducing or destroy them. Before bacteria can multiply...

Antibiotics can save lives, but they aren't always the answer. Using antibiotics appropriately helps to combat antimicrobial resistance. Participate in U.S. Antibiotic Awareness Week and help improve antibiotic use. Handouts, prescription pads, posters, and more.

Apr 17, 2023 · Antibiotics are medicines that fight bacterial infections in people and animals. They work by killing the bacteria or by making it hard for the bacteria to grow and multiply. Antibiotics can be taken in different ways: Orally (by mouth). This …