Help with advice, I wrote a post about diarrhea with mucus, now there'…

Help with advice, I wrote a post about diarrhea with mucus, now there's a rash, the child is very restless especially in the evening. I've been putting him to sleep for three to four hours every evening for two weeks already. The pediatrician took only an analysis for dysbacteriosis and nothing else. They said they have an analysis on ABKM and lactose deficiency isn't available in our hospital, in private ones they take it from three years old. The pediatrician prescribed PolySorb. I called the ministry, left a complaint, a head nurse called me back. She was rude, like you're complaining if the analysis for dysbacteriosis hasn't arrived yet. And you have an appointment on Friday. But I