The situation is like this... lots of text... Yesterday in the evening…

The situation is like this... lots of text... Yesterday in the evening, my daughter's temperature rose. It varied from 37 to 38... During the day everything was fine, she played and ran around. Then she started bringing her hands to her mouth and crying... appetite disappeared. Today throughout the day it also got feverish, now seems to be sleeping by evening. I'm trying all sorts of ways to look into her mouth, the only thing I saw at the tip of the tongue, from below, two pimples. She chewed crackers yesterday, homemade ones, and they are quite hard. Could the tongue have damaged them? or stomatitis? Can stomatitis manifest itself with two pimples? And does fever occur with sto