Vagina blister/boil

andria

Why do i get painful hard vagina boils near my bikini line. Or some times on the side of my vagina lips. Some times it hurts so bad to even walk. They usually go away. And would come back every now and then. How do I get rid of them quicker? And how can I stop them from coming??! ( no I dont have infections /std etc. I always get my woman check ups faithfully ).