Efficacy of Silver Nitrate Pencils in the Treatment of Common Warts

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Abstract
Common warts are an important issue, especially in children and young adults. The methods proposed for common wart treatment are painful, destructive, and require special experience and devices. The chemical cauterization effect of silver nitrate on warts is noted in the classical pharmaceutical textbooks. In order to test this effect for this purpose, a placebo controlled clinical study was performed on 70 patients.On 35 randomly selected patients, a silver nitrate stick was used, and, on the other 35 patients, black ink was used. At the end of this study, of the patients treated with the silver nitrate stick, 15 (43%) were completely healed, 9 (26%) were partially healed, and 11 (31%) were not healed. Of the patients treated with black ink, 4 (11%) were completely healed, 5 (14%) were partially healed, and 26 (74%) patients were not affected. Thus the silver nitrate stick affected the warts of 24 (69%) patients. Therefore, this method appears to be an effective, economic, and easily applicable treatment for common warts.

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