Thank you for your query,
Your child having gastroenteritis
which may be due to a Virus.
Give sips of oral rehydrating solutions like ORS, Pedialyte, coconut water, lemon water to prevent dehydration
can be added.
Monitor her hydration by looking at her activity, urine output and skin turgor.
Consult your Pediatrician
for assessment and for proper medication.
Hope I have answered your query.