Q:

How do you know when a wart is healed?

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Quick Answer

Removing a wart by one or more of the various treatment options can heal the unwanted protrusion, or it may disappear without treatment due to the body's immune response, according to WebMD. It is important to note that a virus causes the growth of warts, and because the virus can never be shed from the body, it is possible that the wart will resurface later.

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Full Answer

The human papillomavirus, or HPV, causes warts; medical treatments like freezing the growth with liquid nitrogen or applying cantharidin can cause the wart to blister, fall off and heal. Home techniques are also available like the application of salicylic acid, which causes a wart to soften and allows the patient to scrape it away after multiple treatments, as stated by Kaiser Permanente.

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