A wart is generally a small, rough tumor, typically on hands and feet, that can resemble a cauliflower or a solid blister. Warts are common, and are caused by a viral infection, specifically by the human papillomavirus (HPV) and are contagious when in contact with the skin of another. It is also possible to get warts from using towels or other objects. They typically disappear after a few months but can last for years and can recur. A few papilloma viruses are known to cause cervical cancer.
Treatments that may be prescribed by a medical professional include:
Keratolysis, removal of dead surface skin cells usually using salicylic acid, blistering agents, immune system modifiers ("immunomodulators"), or formaldehyde.
Cryosurgery, which involves freezing the wart (generally with liquid nitrogen), creating a blister between the wart and epidermal layer, after which the wart and surrounding dead skin falls off by itself.
Surgical curettage of the wart.
Imiquimod, a topical cream that helps the body's immune system fight the wart virus by encouraging interferon production.
Candida injections at the site of the wart, which also stimulate the body's immune system.[2]
Cantharidin, a chemical found naturally in many members of the beetle family Meloidae which causes dermal blistering.
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