Your child is having respiratory and gastrointestinal tract infection. This could be due to virus with superimposed bacterial infection. So your child need iv antibiotics for 2-3 days and oral medication of paracetamol, probiotics, zinc. Cough video recording is very important as the medication is different for different types of cough. So if possible please kindly opt for video consultation or consultant near pediatrician with video recording of cough
Next Steps
keep hydrate your child
give cold sponging for fever