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Does it hurt when a doctor uses cantharidin to remove a wart?

Dr. Michael Roizen, MD
Internal Medicine
If a doctor used cantharidin to remove a wart, it probably will hurt. When it is applied, a blister forms under and around the wart. And blisters hurt! Think about all the blisters you’ve gotten before breaking in a new pair of shoes. Doctors usually cover the treated area with a bandage to reduce the pressure and the pain, and to keep it from getting infected, just like you might cover your blister with a band-aid. However, note that cantharidin wart treatment is not well-researched or widely used, and it is not approved by the Food and Drug Administration (FDA).

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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.