So I noticed that my bum stung a little when I wiped, and upon inspection, there is a red bump the size of a pea sort of to the size and between my anus and my vagina. I'm sexually active but we always use a condom. I haven't had sex in two weeks. It looks like a bug bit me, but it had a little inflammation/rash like thing to it. Does anyone know what this might be?  I could be overreacting because I have just come home from a camping trip