 [ Symptoms ] i have been having anxiety attacks trouble sleeping weepyness severe agitation lack of motivation to do anything i am wondering which of these is the most urgent to get my dr to help me with are these signs of depression or something else [ Disease ] it sounds like what you have are canker sores the exact cause of canker sores in unknown they last 7 10 days and heal on their own there are several over the counter medications that will cover and numb the sores so they do not hurt while you are eating