Thank you for your query on Healthcare Magic.
Your child had infectious diarrhea
mostly like Dysentery
due to a bacteria.
He needs antibiotic and before antibiotic his stool to be sent for routine examination and for culture and sensitivity to know the causative organism.
Maintain hydration by giving sips of oral fluids.
Monitor his hydration by activity, urine output, and skin turgor.
Continue the medication as advised by your Pediatrician
Hope I have answered your query.