NEED HELP ASAP

so me and my boyfriend were fooling around last night and he ate me out and has facial hair. ( we didn't have sex ) today I have a rash / bumps kinda on my vagina and it's itchy as well. I also shaved the other day and it wasn't a really good shave and there was apt of stubble so I don't know if it's just razor burn or rash from his facial hair or what it is! I'm freaking out and need help!