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What are Warts?

Warts are a common condition that create small, granular skin growths on the surface of the skin. These growths take quite a long time to develop and can take as long as six months to show up. Warts are typically harmless but they can cause discomfort depending on where they are located. Many warts go away on their own but in some cases, warts can be so stubborn or troublesome that a doctor can remove them.

Signs and Symptoms of Warts

Warts can appear anywhere on the skin but happen most commonly on the fingers and hands. Signs of warts include:

  • Tiny, fleshy bumps that have a grainy surface
  • White, pink or tan bumps
  • Small black pinpoints caused by clotted blood vessels

If warts keep reappearing or cause discomfort, reach out to a medical professional to discuss your options.

What Causes Warts?

Common warts are caused by a virus known as the human papillomavirus, or HPV. This virus is very prevalent in the human population and comes in more than 150 varieties. The few that cause warts on the fingers or hands can be picked up through casual touching and through shared objects. A wart may not develop until months after contact, so it can be difficult to identify where a virus was contracted. Children and young adults or those with weakened immune systems are at a higher risk of developing common warts.

How Warts are Treated

There are a number of different treatments and all are used in different cases. It is best to consult with your physician to find the plan that best fits your needs. It is important to note that it can take multiple treatments to treat warts. Additionally, new lesions may form in between treatments.

At Home Treatments:

Depending on the extent of the warts, there are a number of at-home topical treatments that work to aggressively exfoliate the warts. They may be used in conjunction with in office treatments for faster results.

Liquid Nitrogen Cryotherapy:

Usually used as the first line treatment in the office, liquid nitrogen freezes the warts and causes inflammation and sometimes blistering to target the wart virus. Multiple treatments are usually necessary.


If the warts persist after at home and liquid nitrogen treatments, the next step may be injections of Bleomycin or Candida. These treatments can stimulate the immune system to fight the virus off. Multiple treatments are often necessary.


Usually used as a last resort, the laser works to target the blood vessels of the warts. Once destroyed, the warts will usually resolve on their own. This process can take multiple treatments.

Liquid Nitrogen Cryotherapy

Liquid nitrogen cryotherapy works by freezing and destroying the cells in a skin growth or lesion. Learn More


Imiquimod is a topical cream that stimulates the immune system. Learn More


Canthacur is a substance applied topically to the skin that works as a vesicant, causing a blister to form on a growth. Learn More

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