I Recently Had Sex With My Boyfriend And Eveything Went

I recently had sex with my boyfriend and eveything went fine I woke up the next morning with a lot of red kinda of ichy small bumps near my vagina and anus they were kinda of uncomfortable to touch too after two days they went away but I was wondering if it was because of friction or if it's herpes? my vagina opening is burns a little bit too when I burn what do I have?