What causes pilonidal cyst?

Some people are born with a small abnormal area under the skin, which later can develop into a pilonidal cyst. In other cases, the cyst may develop from ingrown hairs between the buttocks.

In most people, there is no definite way to tell whether the cyst has been present from birth or has developed from ingrown hairs.

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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.