Thanks for your post. Warts can self resolve, but anal lesions are generally removed rather than taking a "watch and wait" approach. When treatment is in fact indicated, there a number of options. Read more on the Web site for the American Society of Colorectal Surgeons at http://www.fascrs.org/displaycommon.cfm ... ticlenbr=4
While small external warts are often treated with topical agents, warts inside the anal canal are almost always removed surgically, and this site will offer details.
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All the best,