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Warts

Warts are benign (noncancerous) growths that appear most frequently on the hands and feet. Sometimes they look flat and smooth, other times they have a dome-shaped or cauliflower-like appearance. Warts can be surrounded by skin that is either lighter or darker. Warts are caused by different forms of the Human Papilloma Virus (HPV). They occur in people of all ages and can spread from person-to-person and from one part of the body to another. Warts generally painless, but can be irritated. They may disappear without any treatment, however, in most cases they require over the counter or in-office treatments to resolve.

Types

The location of a wart often characterizes its type:

Common warts can appear anywhere on the body, although they most often appear on the back of fingers, toes and knees. These skin-colored, dome-shaped lesions usually grow where the skin has been broken, such as a scratch or bug bite. They can range in size from a pinhead to 10mm and may appear singly or in multiples.

Filiform warts look like a long, narrow, flesh-colored stalk that appears singly or in multiples around the eyelids, face, neck or lips. They are sometimes called facial warts. They may cause itching or bleeding.

Flat (plane) warts appear on the face and forehead. They are flesh-colored or white, with a slightly raised, flat surface and they usually appear in multiples. Flat warts are more common among children and teens than adults.

Genital warts appear around the genital and pubic areas. It is also possible to get genital warts inside the vagina and anal canal or in the mouth (known as oral warts). The lesions start small and soft but can become quite large. They often grow in clusters. They are both sexually transmitted and highly contagious. In fact, it is recommended you generally avoid sex with anyone who has a visible genital wart. Genital warts should always be treated by a physician. Females exposed to genital warts have an increased risk of cervical cancer and should have regular pap smears.

Plantar warts appear on the soles of the feet and can be painful since they are on weight-bearing surfaces. They have a rough, cauliflower-like appearance and may have small black specks in them. They often appear in multiples and may combine into a larger wart called a mosaic wart. Plantar warts can spread rapidly.

Subungual and periungual warts appear as rough growths around the fingernails and/or toenails. They start as nearly undetectable, pin-sized lesions and grow to pea-sized with rough, irregular bumps with uneven borders. Subungual and periungual warts can impede healthy nail growth. Because of their location, they are difficult to treat and generally require medical attention.

Treatment

Most warts respond to various treatments as determined by your Dermatologist, including:

In-Office
  • Cantharadin / Cantharadin Plus
  • Intralesional Candin
  • Cryotherapy, which freezes off the wart using liquid nitrogen or nitrous oxide.
  • Electrosurgery, which sends an electric current through the wart to kill the tissue.
  • Laser surgery, which essentially heat up the wart until the tissue dies and the wart eventually falls off.
Over the Counter
  • Nonprescription freezing products (dimethyl ether), aerosol sprays that freeze the warts and cause them to die off.
  • Salicylic acid preparations, which dissolve the protein (keratin) that makes up the wart and the thick layer of skin that covers it. It comes in gels, pads, drops and plasters and takes 4 to 6 weeks to eradicate the warts.

If self-treatments don't work after a period of about 4 to 12 weeks, contact our office to see a dermatologist. We'll assess your warts and recommend the best option.

Contact us immediately if a wart is causing pain, changes in color or appearance, and for all genital warts. Generally it takes 4-6 treatments for complete elimination of warts, depending on the location and size of the warts.

General Dermatology

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  • Warts
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