Hello everyone! Moms, maybe you know who to contact, please advise. I...

Hello everyone! Moms, maybe you know who to contact, please advise. I'm worried about my daughter's condition; she is now 1.8 years old. We stopped breastfeeding at 1.4. Throughout the day, she occasionally has a mild cough with a gag reflex. At night, she often wakes up crying, sometimes waking up from a cough, crying as if she's scared of something, her mouth seems dry, she refuses to drink water, climbs on me, and cries as if something is bothering her. During the day, her overall condition is good; she plays, is cheerful, and sleeps well during the day. She is picky with food, so I cook separately for her. She really likes pears, apples, cucumbers. She can snack on them all day. But as evening comes around 8-9 o'clock, she starts asking for food and keeps asking to eat until late at night; I am afraid of overfeeding her before sleep and refuse, then she starts to throw a tantrum, and I have to give in and feed her. As a result, I spend the whole night in fear of every cough and cry she makes in her sleep. The thing is that in October, my daughter was sick, and I never understood with what; the diagnosis was roseola, we treated her at home, there was vomiting, diarrhea, then no stools for several days, we kept a diet, then again night vomiting, again liquid stools, weakness, fussiness, lack of appetite, then she was hospitalized in the infectious diseases hospital for a week with the diagnosis of "Acute gastroenteritis," treated there with antibiotics, a diet of only soups, she became very thin, ate nothing. After being discharged, her appetite returned at home, but we had to maintain a diet and restricted many things she likes. Therefore, there were often tantrums against this background. We went to a gastroenterologist, she said it was an "Enterovirus," prescribed to continue the diet for 2 weeks, did an ultrasound and saw stones in the gallbladder, but I think they might have made a mistake, as the child was squirming under the ultrasound machine in a tantrum, so I'm not sure if they could see anything correctly. But now it's still my fear. Then I was hospitalized in the maternity hospital for two weeks due to my pregnancy, and my daughter also got stressed because of this. Although my husband, my mom, and my sister were nearby. Now I'm home, I stopped keeping her on a diet, her stools have normalized. But this condition - frequent night awakenings, tears, and gag reflex frightens me… I can't understand why it doesn't pass... And what to do, who to turn to, or have I become too anxious from all these worries and am obsessing over everything, I don't even know anymore.