t work (Condylox, podophyllin, bi-
or trichloroacetic acid,
Aldara), the direct destructive methods (cautery, freezing, surgery) always are effective for the short term. Some warts recur, however, despite treatment. And yes, it is the patient's immune system that eventually clears warts and the underlying HPV infection.
A final point is that some people with apparent persistent or recurrent warts in fact have other skin bumps, e.g. due to scar tissue, and not actual wart recurrence.