Friction burns

Ok so I have these like friction scraps on my vagina.... I don’t see any actual scraps but there’s like little areas that hurt. Esp when I pee (it’s not my urethra that hurts) when the pee gets on the cuts it hurts. could this just be from too much/intense sex?? I’ve been having a lot of it. Like on my labias. They’re a little red too.