Antibiotics are medications that are meant only to treat infections caused by bacteria. For this reason, antibiotics are not effective against viral infections like the flu or cold.

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Some consumers are turning to alternative flu treatments. Do you need Tamiflu? Do antibiotics, steroids, and supplements work? Consumer Reports shares what you need to know.

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This highlights the persistent misconception that antibiotics are effective against viral infections like the common cold, despite the fact they only combat bacterial infections.

Antibiotics won't help your cold, yet many people assume they will. WebMD explains why using antibiotics for a virus is a bad idea.

Antibiotic use can lead to diarrhea by disrupting gut bacteria. Learn prevention tips, symptoms, and when to consult a doctor for antibiotic-associated diarrhea.

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Do antibiotics work against viruses like the cold? “Antibiotics are designed to combat bacterial infections, not viral ones like the common cold,” explains Asif.