multiple canker sores with sudden onset, following a stomach flu and slight fever, tongue has what looks like a white coating, and bottom left gum behind last moller is swollen as well as jaw pain in same side my daughter is 7 and has been miserable, she is living in yougert, we are looking for some remedies for the canker sores as well as her red and swollen gums in the front where she is getting her front teeth. Her new permanent teeth are very sensitive to everything. thank you