Never post a serious question on the internet and not expect everyone to make Hooker/Zombie/Gay/False info comments. This is the internet. We have rules. Well.....more like guidelines really.
Serious answer: I've gotten them occasionally from one of two sources: 1) Burns. I'm not very patient and will eat food or drink without letting my food or drink cool down enough. 2) Toothpaste. Most toothpastes contain sodium lauryl sulfate. For some of us it aggravates the gums. Once I switched brands the outbreaks ceased. Non-serious answer: Put in her...well, I guess that doesn't really apply here. Ah, who am I kidding; it always applies.
Or the one you that should have been your first answer, insted of going to a toy message board seeking medical advice. "I'm not sure what this is....I should go see a doctor."
ok i know it was not a smart idea really but the good news is the pain is going away and the ulcers or what ever they were are fading away.