Liquid nitrogen most effective at removing warts

Cryotherapy with liquid nitrogen is the most effective method to remove common warts, found a study published in Canadian Medical Association Journal.

Cryotherapy with liquid nitrogen is the most frequent treatment followed by application of salicylic acid to the skin. Cure rates for patients with common warts (mostly located on hands) with cryotherapy were 49%, 15% in the salicylic acid group and 8% in the wait-and-see group.

"Despite the fact that cryotherapy caused more frequent and more severe side effects than salicylic acid, patients were most satisfied when treated with cryotherapy," writes Dr. Sjoerd Bruggink with coauthors.

There was no difference in cure rates of plantar warts between the three treatment groups. Plantar warts in children had relatively high spontaneous cure rates of 50% but low cure rates of 5% in adolescents and adults.

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