in dance, theater, choir, or sports, sweat and repeated friction can make an existing bump more noticeable or irritated.
Friction itself does not cause a wart, but it can make a skin growth easier to notice or cause it to become irritated.
Could It Be a Skin Tag Instead?
A skin tag is one of the things that can sometimes be confused with a filiform wart.
Skin tags are usually:
Soft
Smooth
Flesh-colored
Attached by a narrow stalk
More floppy or teardrop-shaped
A filiform wart tends to be more pointed,
