I Had A Large Blood Filled Bubble On My Pubic

I had a large blood filled bubble on my pubic are for a month now. When I rip the thick skin off it just bleeds and bleeds and fills up again and it looks like it’s spreading. It is very painful. The first one I ripped open created a pit in the middle and it is very sticky. What the hell is this? Already been to Gino and she put me on Bactrium that did nothing. She said it was a boil but I know its not