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Tonsillitis

Tonsillitis is an infection or inflammation of the tonsils. The tonsils are balls of tissue on either side of your throat, above and behind your tongue. They are part of your immune system, which helps you fight infection.

Decision Points

Our interactive Decision Points guide you through making key health decisions by combining medical information with your personal information.

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Interactive Tools

Get started learning more about your health!

Our Interactive Tools can help you make smart decisions for a healthier life. You'll find personal calculators and tools for health and fitness, lifestyle checkups, and pregnancy.

Symptom Checker

Feeling under the weather?

Use our interactive symptom checker to evaluate your symptoms and determine appropriate action or treatment.