Help.

Okay So Wednesday Me & My Boyfriend was Having Sex. & when we was havin sex It was Kinda Rough Sex you know & when i was doggy style It Kinda Burned But it was Just My Thigh Like if We kept rubbing our skin together & it started getting hot & then later on that day there was a bump i was just hopping if i left it alone it would go away & this morning i woke up the bump was still there & it was finna pop cause i saw the pussy coming out so I popped it & then the bump is still kinda there any advice ???