What causes geographic tongue?

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There is no known cause. It is a benign condition of the tongue.  Fortunately it does not lead to any other conditions like cancer.  Sometimes pain develops in the tongue, but it is not related to the geographic tongue.

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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.