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Strep throat

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Strep throat

Strep throat is an infection in the throat and the tonsils caused by strep bacteria. It causes a severe sore throat and may cause a fever. It's treated with antibiotics.

Current as of: May 1, 2026

Author: WebMD Ignite Staff

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This information does not replace the advice of a doctor. WebMD Ignite, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.