An Introduction to Common Warts

Rest assured: The age-old tale of contracting warts from kissing a frog is likely one of the earliest urban myths. Your romantic endeavors have no connection to the development of warts. Similarly, handling toads won’t cause them either. Let’s delve into what common warts are, their origins, and why they’re notoriously stubborn to eliminate.

Common warts are benign skin growths, often appearing on the hands—specifically on the backs of hands, near fingernails, or on fingers. They can also emerge on elbows and knees. These warts present as firm, rounded bumps with a rough texture. Typically, they measure between 0.08 and 0.39 inches (2 to 10 millimeters) [source: Merck]. Their color may match your skin tone or appear white, grayish-brown, pink, or tan. Often, you’ll notice small black dots within the wart, earning them the nickname 'seed warts' [source: American Academy of Dermatology].

Common warts are harmless and may disappear on their own without treatment, though this process can range from several months to years. Warts on children tend to resolve more quickly than those on adults [source: WebMD]. Many individuals seek treatment for common warts due to cosmetic concerns or because they cause discomfort, such as pain during activities like golfing or writing. Additionally, if warts begin to spread, treatment becomes more necessary.

Continue reading to discover why some individuals are more prone to warts while others remain unaffected.

Causes of Common Warts

Common warts, similar to other wart types, result from infection by the human papillomavirus (HPV). With over 100 variants of HPV, many are capable of causing skin warts.

A wart starts to develop when HPV infects the outermost layer of the skin. Breaks in the skin, such as cuts or scrapes, provide an entry point for the virus. This infection triggers rapid multiplication of skin cells. Despite this accelerated growth, the wart forms slowly, often taking weeks to several months before becoming visible on the skin’s surface.

Immunity to warts may strengthen as people age. Children, especially girls, are more prone to common warts than adults. Studies suggest that approximately 10% of children, particularly those aged 12 to 16, develop common warts [source: Bacelieri]. Habits like nail-biting or chewing hangnails increase susceptibility, as these actions create small skin openings that allow the HPV virus to enter.

While you can take steps to reduce the risk of warts, there’s no guaranteed way to avoid them entirely. Keep reading to understand how common warts spread.

Spreading of Common Warts

Common warts spread effortlessly, much like the common cold. The reasons why some individuals are more susceptible than others remain unclear. However, a compromised immune system increases vulnerability. HPV infections prompt the production of antibodies to combat the virus, but those with weakened immunity may struggle to generate an effective response.

Common warts can spread through various means, with breaks in the skin increasing the likelihood of infection. While direct physical contact with an infected person is one route, the risk of contracting warts this way is relatively low [source: Mayo Clinic].

A more frequent mode of transmission is through contact with contaminated objects. Items like shared towels, bath mats, or razors used by someone with HPV can harbor the virus, putting you at risk of developing common warts.

Warts can spread not only from others but also from one part of your body to another. If you already have warts, habits like nail-biting or picking at hangnails can cause them to appear around your nails or fingertips due to skin breaks.

While it’s impossible to completely avoid HPV exposure, you can reduce your risk of developing common warts by taking specific precautions. Learn more about these preventive measures on the following page.

Preventing Common Warts

Common warts are notoriously stubborn once they appear, making prevention crucial. Taking steps to avoid them in the first place is your best defense.

A simple yet effective way to lower your risk of common warts is to keep cuts, scrapes, or any skin breaks clean. Even the smallest opening can make you more vulnerable to infection.

Certain types of HPV thrive in moist environments, much like the athlete's foot fungus. Wearing flip-flops in wet areas, such as locker rooms or pool decks, can help protect you from plantar and common warts.

While touching someone else’s wart doesn’t always lead to infection, it’s still a good idea to wash your hands with soap and water after contact. Regular handwashing is a smart habit, as someone without visible warts could still carry the virus and transmit it to you.

Protecting yourself from self-infection is crucial. If you have common warts, avoid picking, rubbing, or scratching them to prevent spreading. Refrain from biting nails or chewing hangnails, and use separate nail clippers and files for affected fingers. Even without warts, these habits can create skin breaks, increasing your risk of HPV infection.

Even with preventive measures, warts may still appear. While they can disappear on their own, there are ways to accelerate the healing process. Read on to explore treatment options.

Treating Common Warts

Dealing with warts can be frustrating, as there’s no guaranteed removal method. The effectiveness of treatments varies, but fortunately, multiple options are available to address them.

Many individuals begin treating warts with over-the-counter solutions, such as patches or liquids containing 17% salicylic acid, which gradually remove infected skin. Consistent daily application over several weeks is typically required. For better results, soak the wart in warm water beforehand and use a nail file or pumice stone to remove dead skin (avoid using these tools elsewhere). Be cautious, as these treatments can irritate healthy skin [source: Mayo Clinic]. Some people prefer the duct tape method, ensuring the wart is always covered. Weekly, remove the tape, soak the wart, gently rub it with an emery board or pumice stone, and reapply fresh tape.

If home remedies fail, consult a healthcare professional. Doctors may prescribe stronger salicylic acid solutions or recommend cryotherapy, which involves freezing warts with liquid nitrogen. This usually requires three to four sessions but can be uncomfortable. Another option is Cantharidin, a blister-forming agent applied to the wart and covered with a bandage. While effective, the resulting blister can be painful [source: Mayo Clinic].

For persistent warts, doctors may explore advanced treatments. Electrosurgery uses an electric needle to burn off warts, while lasers can also remove them, though scarring and cost are potential drawbacks. Bleomycin, an antibiotic used in cancer treatment, can be injected into stubborn warts to kill the virus. Immunotherapy creams like Imiquimod stimulate the body’s immune response to fight the wart. Retinoids, available as creams or oral medications, are another option for resistant cases [source: Bacelieri].

For additional details on wart prevention, treatment, and management, explore the resources provided on the following page.