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Why are antibiotics used?

Updated: 8/17/2019
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14y ago

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The proper usage of antibiotics is to stop acute bacterial infections.

But they have also been use as a growth promoter in cattle and to prevent bacterial infection. Both of these uses accelerate bacterial evolution of antibiotic resistance.

Sometime doctors have prescribed antibiotics to their patients with viral infections (which the antibiotics have no effect on) either because the patients insisted on taking antibiotics or to prevent a secondary bacterial infection from developing as a complication. Both of these uses accelerate bacterial evolution of antibiotic resistance.

When prescribed an antibiotic it is essential that you take all the medication exactly as prescribed until you use it all up. Not doing so will frequently leave the last and most antibiotic resistant bacteria in your body and the infection might flare up again and that antibiotic would now be ineffective and a different stronger antibiotic that might have bad side effects might now be required!

Due to improper usage of antibiotics there are now a few bacteria that are completely resistant to every antibiotic currently on the market, except for one: Vancomycin. Continued misuse could also rapidly produce Vancomycin resistant bacteria too meaning that eventually many bacterial infections would be as untreatable and often fatal as they were prior to 1942, when Penicillin was first introduced on the market.

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8y ago
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14y ago

To help kill off bacterial infections.

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