Published online by Cambridge University Press: 23 February 2024
An antimicrobial is defined as a drug that kills, prevents, or inhibits the growth of any type of microorganism (1). These drugs originate from a variety of sources, including microorganisms, plants, animals, and can be semi-synthetic or synthetic. Antimicrobials can be antibacterial, antimycobacterial, antifungal, antiparasitic and antiviral (2). Strictly speaking, the term ‘antibiotic’ refers to an agent produced by a microorganism that kills another microorganism; it does not include synthetic substances (3). However, this specific meaning is often not emphasised in clinical practice. Therefore, in this book, the terms antibacterial and antibiotic will be used interchangeably.
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