Your child is having Acute Gastroenteritis coud be due to Viral or Bacterial.
Contninue to give oral rehydrating solutions to prevent dehydration
and probiotic , zinc can be added in addition to ORS .
Usually viral gastroenteritis
will take 3 to 5 days with the above supportive treatment.
Whereas bacterial gastroenteritis
will require antibiotic therapy in addition to ORS,Probiotic and zinc supplementation. So consult your Pediatrician
for the assessment of your child ans for specific treatment.