Approaching a dermatologist will be helpful, they are likely to suggest either one of these treatments, or multiple treatments in combination:

i.) Stronger peeling medicine (salicylic acid): medications with salicylic acid remove outer layers of a wart a little bit at once and therefore have to be applied unless and until the wart doesn't go. But be careful that such medications don't touch your skin other than the wart.

ii.) Cryotherapy: Freezing therapy done at a doctor's clinic, which essentially involves application of liquid nitrogen to your wart. Freezing of wart using this liquid results in a forming under and around your wart, following which the dead tissue sloughs off within a week or so. This method may also stimulate your immune system to fight viral warts. You'll likely need repeat treatments.

Side effects of cryotherapy include pain, blistering and discolored skin in the treated region. Since this technique can be painful, thus it is usually not used to treat the warts of young children.

iii.) Other acids: Trichloroacetic acid is applied on your wart once its surface is shaved off. It requires repeat treatments every week or so. Side effects are burning and stinging sensation.

iv.) Minor surgery: This involves cutting off the tissue but it leaves a scar in the treated area.

v.) Laser treatment: Pulsed-dye laser burns tiny blood vessels, this causes the infected tissue to eventually die, and the wart falls off. Limited studies hint at effectiveness of this treatment, and side effects are pain and scarring.
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