SUBJECT: how to remove my mouth ulcer/canker
MESSAGE: Hello dear Dr, i am  an afghan student in [LOCATION], the mouth ulcer problem is the worst problem in my lifetime, even three or four times the ulcer grow up in the mouth during of a month. even i can not eat or drink, even though i take care of my mouth every day, so i wish you to consult me about of removing of these ulcer forever. thank you so much

Summarized question: What are the treatments for mouth ulcers?