Lower Lip Wart What's This Wart On Lower Inner Lip?

What's this wart on lower inner lip? - lower lip wart

I hade a time in my inner lip. I know it's a wart, because their thick skin, not liquid, not hurt, of course, pepper and a little something in him. should not that I was very young, I collected and bites lately and he knows only made bigger. He is someone who can give me information on how to get rid of it or what, caused by?