question: I have been suffering from mouth ulcers from last two months. These ulcers start automatically any time day / night and become big (inside mouth any part, not on single place). I am not sure the reason about this, i taken some medicine suggested by my doctor, i visited to 5 doctor, ENT Specialist too, but nothing works, neither mouth paint, cleanothrush, Tees, etc. I am worried why these coming, even nowadays there is no problem of stool etc, i left smoking two months back and also not taking any other things (Alcohol, Tobacco etc).  Please suggest what i need to do or to whom i need to consult, is it Oral CA, but i also found on internet Oral CA Ulcer come on side not every where.