Thanks for posting your query.
With the available described symptoms, there appears to be possibility of Acute viral gastroenteritis
Presence of watery diarrhea
, abdominal discomfort suggests the diagnosis.
You should consult with internal medicine specialist/ general surgeon
and should go for thorough check up.
You should go for complete blood count
, serum electrolytes, and renal function test.
You should take complete antibiotic therapy, probiotics, antispasmodics.
You should maintain your hydration by taking potassium rich supplements.
Avoid milk and all milk related products such as cheese and butter.
Dr. Mayank Bhargava