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In several anecdotal reports, authors have recommended tape occlusion therapy for treating verrucae vulgares (common warts). In this randomized controlled study, researchers compared duct tape occlusion with cryotherapy in 61 patients (age range, 3 to 22 years).
Twenty-six patients were treated with duct tape, and 25 were treated with cryotherapy. About half of the warts were on fingers. Duct tape was cut to cover warts and left in place for 6 days. (A new piece was applied if the first piece fell off.) After 6 days, the tape was removed, and warts were soaked in water and then were filed with emery boards or pumice stones. New tape was applied 12 hours later. This treatment was repeated for as long as 2 months or until warts resolved. In th…