Harvard Health Tips

Antibiotic caveats

Antibiotics don't kill the viruses that cause colds and flu. You should use antibiotics only if you develop a bacterial infection, such as persistent sinusitis, bacterial pneumonia, or an ear infection. Taking antibiotics when you don?t need them can make bacteria resistant to medications, which means that they may not work the next time you actually need them, not to mention exposing you to side effects.…

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