Child with fever, cough, vomiting, and diarrhea?

Patient's question:

Cough, dry heave, diarrhea for two days, what to do? Intravenous drip for two days, but the condition doesn't improve, what to do? Previous treatment history and effectiveness: No regard for any assistance: Preventive work and treatment

Doctor's answer:

Initial consideration suggests that the child may have respiratory infections or similar conditions, while nausea and vomiting are likely due to gastrointestinal dysfunction. Further detailed examination is needed to confirm the diagnosis. Active treatment should be administered.
Medical advice: Daily diet should be appropriate, with enhanced care to prevent adverse effects. Supplement with vitamin C, B vitamins, etc. For fever, use Anrik; for cough, use Dextromethorphan; for nausea and vomiting, use Smecta and Proteinate of Tannin; for dry cough, use Vitamin B6. Additionally, use Virazole, Amoxicillin, and Ciprofloxacin, etc. Specific treatment should strictly follow the guidance of the clinical physician.