NEED TO GET CHECKED??

Y’all get a load of this mess! So last weekend i had sex 3 times in one night, 2/3 times without protection and everything was ALL GOOD! This recent weekend I have sex with the same guy a few times one night and a few times the next day and up until we try to fuck one last time we stop because he says his dick hurts. His penis was totally fine and nothing wrong with it till the last time we try to do it, keep in mind we already did it twice that day. Today being the day after we had sex and he had that problem he says he woke up to his penis still hurting ((a little less now)) and he has small red bumps on his tip. To my knowledge I’m clean and to his knowledge he’s clean and he’s worried I may have gave him something yet I have nothing wrong down there and haven’t had anything wrong down there, I have no symptoms of anything so I’m freaking out! We both did some research and think it may be a rash from friction because I was a little on the dry side and some articles say it’s normal to get a rash after unprotected sex. I’m still very worried and I’m making a doctors appointment tomorrow to get checked out. Just really stressed and scared