Girls, hi. The baby threw up three times today, has no appetite, excep…

Girls, hi. The baby threw up three times today, has no appetite, except for dumplings, fruits and vegetables, she doesn't eat anything else. Everything else is fine, she's lively, playing, laughing, there are no temperatures, nothing bothers her, even she pooped twice. She vomits after coughing, as if she wants to clear her throat. Usually we have such vomiting on teeth, but it was always accompanied by crying, temperature and I knew that it was teeth, and it would pass soon, and now she doesn't feel anything bothering her. Now I'm worried. I'll see how the night goes, if tomorrow the story repeats, I'll call an ambulance. What could this be