Cold and flu season is upon us, and unfortunately, mouth sores sometimes accompany these illnesses. Canker sores and cold sores can be quite unpleasant to live with, but the good news is that both typically heal well within a couple weeks. We’ll explain how to tell the difference between canker sores and cold sores, and how to treat them so that they heal quickly and with minimal discomfort and pain. Symptoms and Characteristics Cold sores and canker sores may seem similar, b