Can someone help?

Hi! So i usually post anon but I don’t think that ever helps. I just wanted some help on some identification with this. I think it’s the start of a stress sores because I’ve been stressed recently and that’s the only time I get them but I also don’t want you to give myself a chemical burn like I did last time trying to treat it with recommendations. Is this the start of a cold/stress sores and should I go to the doctor to get antibiotics or is it a pimple. Please don’t say anything about my skin, I’m already a little self conscious at the moment. And thank you in advance to anyone who takes the time to read and help me today. ❣️