if you have herpes you will get a raw feeling there and it will itch and hurt later into a sore . i know because my wife cheated on me and got them did not tell me gave them to me its not a good thing, but nothing you can do once you have them they wont kill you but are not fun when you have a break out. go to dr they can tell right away.
it could be due to many things. The best thing to do is follow up on it with your doctor.
grace