Good day, we have such a problem: yesterday after dinner, about 30-40 …

Good day, we have such a problem: yesterday after dinner, about 30-40 minutes after dinner, our daughter ripped it out, then again, after the third time I called an ambulance and went to the hospital. All the time she behaved as usual, played, ran and so on. They gave her antiemetic, the analysis is in order, by evening they let us go home. BUT, for a day she didn't eat anything except a few dumplings and drinks water. Already at home, her temperature rose (37.5). Could it be on teeth? A couple of days before that, she noticed that she was gnawing everything within reach and even hands. Appetite with us already problems, but what