What is cryotherapy and how does it remove warts?

Dr. Michael Roizen, MD
Internal Medicine
Ever licked a flagpole in the middle of an icy winter? Or maybe you licked a popsicle on a cold winter’s night. Ouch!! Well, then you know how cold affects the skin. That’s the idea behind cryotherapy. Cryo is the Greek word for cold, so in this technique, docs use liquid nitrogen (the stuff you see fancy molecular gastronomist chefs using these days) to freeze the warts off. Your doctor may numb the area being treated before introducing you to the Abominable Snow Man’s breath, but you may still feel some throbbing pain after. Eventually the area will scab and heal over.

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