Antibiotics fight bacterial infections by targeting specific parts of bacterial cells. Learn the four main classes - beta-lactams, tetracyclines, macrolides, and fluoroquinolones - how they work, when they’re used, and why misuse leads to dangerous resistance.
Learn about the most common antibiotics, how they work, and their real side effects-from nausea and diarrhea to life-threatening reactions. Understand when they’re needed and how to use them safely.
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