don't sound like herpes simplex to me but then again i didn't examine you. you are correct about angular chelitis as being the most likely explanation but next time show this lesion to a medical professional. herpes tends to have a cluster of small and painful blisters and may be recurrent; showing up again in the same place.
herpes cold sore or angular chelitis? . this thing appeared on the side of my lip that looks like a blister but is split in the middle. on either side of the split there is excess skin and it hurts when i open my mouth. when it was closer to healing there seemed to be a yellow crust around it. i have never had a herpes cold sore before so it's going to break my heart if i have just gotten the virus. it's taken about 2 weeks to heal probably because i messed with it in the beginning. never noticed and small blisters though.