Mouth Ulcers More Condition_symptoms I Have Lots Of Little Mouth Ulcers All Through My Mouth That I Cant Get Rid Of. What Could Be The Cause?

I have lots of little mouth ulcers all through my mouth that i cant get rid of. What could be the cause? - mouth ulcers more condition_symptoms

For about 2 months I get a lot of bees give anything by mouth ulcers. Some fled, but then it seems fair. I went to my doctor and I have taken antiviral drugs to get rid of them, but that did not work and now in to penicillin, but that does not work so far. What could be the cause of these ulcers in the mouth?