can aids spread through kissing
â Richelle*. Yes, you can catch herpes just from kissing someone on the mouth. And while experts believe the risk of catching HIV (the virus that causes AIDS) from kissing is low, someone who has a cut or sore in the mouth has a chance of infection during open-mouthed kissing. The tricky thing about sexually transmitted diseases (STDs) is that you can't always see if someone has one.