u/throwwaway5612

23f, no medication other than birth control, I sometimes vape but I never share with people I don't know (boyfriend, best friend). I have never had this appear before. there is another similar bump on the opposite side of my lower lip in the same spot. these are inside my lip, not on the outside at all. I do bite the inside of my mouth a lot and have done that my whole life, I've never seen this as a result before. there is no pain or itching. went to sleep fine, woke up to this. I'm really worried because if this is an sti... I haven't kissed anyone other than my boyfriend, and I do NOT share things that go in others mouths.