Antibiotics
DefinitionAntibiotics are drugs that work in the body against bacteria, fungi, or protozoa (microorganisms). If you work in a retail pharmacy or hospital setting for a little while, you will dispense many prescriptions for them. They are very common. (Some people think they are over-prescribed.)ClassesPenicillins and cephalosporins are classes that target the cell walls of bacteria. Polymixins target the cell membrane of bacteria. Aminoglycosides, macrolides and tetracyclines target the synthesis of protein and slow the reproduction and growth of bacteria. Sulfonamides and quinolones are used to kill bacteria. Side EffectsLikely side effects are varied, depending on the targeted microorganism and the particular medication prescribed. Possible side effects could be as minimal as nausea and/or fever and as serious as a full blown allergic reaction. Diarrhea is a common side effect.
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