Plantar warts tend to be both the hardest to treat, as they grow inward due to pressure on the feet. The researchers also found that it was safe during pregnancy. For example, a 2012 review found that the procedure had a 60–86% success rate as a treatment for common and genital warts.Ī retrospective study from 2015 placed the success rate for common wart removal at 75% and found that it took an average of 1.18 sessions to remove warts with cryosurgery.Ī 2019 study found a slightly higher success rate for the cryosurgical removal of genital warts: 79–88%. However, cryotherapy may be the most effective approach to certain kinds of warts. Though many doctors remove warts with cryosurgery, there is limited research to support using this procedure rather than concentrated salicylic acid treatment. The American Academy of Dermatology recommend that people with any of the following see a dermatologist for wart removal: It other cases, health issues make it important to see a professional. are plantar warts, which form on the soles.keep a person from walking comfortably or gripping objects, or cause any other impairment.cause or contribute to low self-esteem, anxiety, or depression.have persisted for more than a few years.They often resolve without treatment, especially in children.Īs people move into adulthood, they may find that warts require medical intervention, especially if they: It is not always necessary to remove warts through cryosurgery. A dermatologist may recommend a different approach, however, depending on the person’s age and the overall state of their health. Liquid nitrogen-based removal is safe for most healthy people. After about 1 week, it may be possible to remove this blister along with the wart.Ĭurrent guidelines recommend having two cryosurgery sessions for wart removal, but more may be necessary, depending on the size of the wart.Ī 2011 study found that leaving 2, as opposed to 3, weeks between cryotherapy sessions may reduce the risk of the wart regrowing and minimize any adverse effects. Within 24 hours of the procedure, a blister forms around the wart. Preferences and methods of application vary, but all in all, the liquid nitrogen is typically in contact with the skin for 10–20 seconds. Next, the dermatologist uses a probe, cotton ball, dipstick, or a tool called a cryostat gun to deliver a dose of liquid nitrogen to the wart. These products are available to purchase online. They may also recommend applying salicylic acid gels, creams, and bandages beforehand. In some cases, the doctor may instruct the person to perform this scraping at home the night before the appointment. This exposes more of the surface skin containing the virus to the freezing agent, which is liquid nitrogen. A dermatologist usually begins by scraping dead skin cells from the wart with a scalpel.
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