Wart

Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
Founder, WikiMD Wellnesspedia &
W8MD medical weight loss NYC and sleep center NYC

Wart
Warts on a foot
Synonyms	Verruca, verrucae
Pronounce	N/A
Specialty	N/A
Symptoms	Skin growths, usually painless
Complications	Pain, bleeding, infection
Onset	Childhood, adolescence
Duration	Months to years
Types	N/A
Causes	Human papillomavirus (HPV)
Risks	Immunosuppression, skin trauma
Diagnosis	Clinical diagnosis, dermoscopy
Differential diagnosis	Callus, corn, molluscum contagiosum
Prevention	Avoiding direct contact with warts, maintaining good hygiene
Treatment	Salicylic acid, cryotherapy, laser therapy, surgical removal
Medication	N/A
Prognosis	Generally good, may resolve spontaneously
Frequency	Common
Deaths	N/A

Wart on eyelid

Verruca vulgaris under low magnification

Animated wart

Throat after CO2 laser treatment of HPV6 throat papilloma

Liquid nitrogen spray tank

Wart treatment timeline

Bufo bufo (common toad)

Plantar wart papilloma

Warts are common, benign skin growths caused by infection with human papillomavirus (HPV). They are characterized by their rough, skin-colored appearance, and can occur anywhere on the body.

Classification

Warts come in various types, classified by their appearance and location on the body. Some of the most common types include: Common warts (Verruca vulgaris): These are often found on hands and knees. They have a rough, grainy appearance and a rounded top. Plantar warts (Verruca plantaris): These grow on the soles of the feet and are often painful due to the pressure exerted when standing or walking. Flat warts (Verruca plana): These are smaller and smoother than other types of warts. They tend to grow in large numbers and can occur anywhere, but are most common on the face, neck, hands, and legs. Genital warts (Condyloma acuminatum): These are sexually transmitted and occur on the genital and anal area.

Pathophysiology

Warts are caused by various strains of the Human papillomavirus. The virus infects the keratinocytes, causing them to proliferate and leading to the characteristic rough, raised appearance of the wart. The virus is typically contracted through broken skin, which explains why warts often occur on areas of the body that are prone to injury such as the hands and feet.

Treatment

Treatment for warts can vary depending on their location and severity, as well as the individual's health status. Options include:

• Topical treatments: Over-the-counter and prescription solutions, gels, and patches containing salicylic acid are often used to treat warts.
• Cryotherapy: This involves freezing the wart with liquid nitrogen, causing it to peel off.
• Minor surgery: If other treatments are ineffective, the wart can be cut out, burned off, or destroyed with a laser.

Prognosis

While warts can be bothersome, they are generally harmless and often disappear on their own without treatment. However, they can recur, and individuals with weakened immune systems may have difficulty clearing the virus.

See Also

• Human papillomavirus
• Skin lesion
• Dermatology

References

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