Thanks for posting your query.
There may be high possibilities of acute bacterial gastroenteritis
, urinary tract infection
or acute pancreatitis
You should consult with internal medicine specialist and should go for thorough check up.
Presence of diarrhea along with abdominal pain
suggests the diagnosis.
You should go for ultrasound imaging, x ray abdomen, urine routine microscopy.
You should take complete antibiotic course, anti spasmodics and probiotics.
You should avoid milk and all milk products.
Dr. Mayank Bhargava