Antimicrobials (also called antibiotics) are a category of medications that target, terminate, or inhibit the multiplication of microorganisms. Originally, the term antibiotics was used to describe agents that fight disease-producing bacteria, but it has now been broadened to include agents that fight off living organisms such as fungi, viruses, and parasites. Antibiotics are classified by the microorganisms they target such as antibacterials (bacteria), antifungals (fungi), antivirals (viruses), and antiparasitic (parasites). Antispetics can terminate microorganisms that live on the skin or in the mucous membranes and can also aid in reducing infections associated with surgical operations. The development of antimicrobials is considered one of the most significant advances in medical science. Presently, the most commonly used classes of antibiotics are aminoglycosides, cephalosporins, fluoroquinolones, macrolides, penicillins, and ...

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