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Improper nail trimming, tight shoes, or poor posture can cause a corner of the nail to curve downward into the skin. Ingrown nails can be painful and sometimes lead to infection. To avoid infection, see a podiatrist (a foot doctor) rather than attempting to saw away the nail yourself. Your doc will numb the toe and trim the ingrown nail.

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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.