Treating Wart On Lip Mouth Wart..help?

Mouth wart..help? - treating wart on lip

I have a wart on his lower lip into his mouth. The wart is inside. It was just formed last week. I thought it was but it was .. What should I do? How do I treat it? There are drugs that are used in order to cure warts. In his lower lip into his mouth .. Help please .. it really hurts, because they represent their painful reality.