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What is an acne nodule?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)

An acne nodule is a very large pimple. Acne nodules are similar to acne cysts but are set deeper in the skin and are not open at the top. They get large because bacteria trapped inside an oil-clogged pore multiply and spread out. This makes the tissue around the pore, swollen, red, and painful. Acne nodules can get as large as a nickel.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.