Thanks for posting your query.
With the available described symptoms, there could be possibility of acute bacterial gastroenteritis
or exaggerated gastrocolic reflex .
You should consult with internal medicine specialist/ general surgeon
and should go for thorough check up.
You should also go for complete blood count
imaging, and serum electrolytes, endoscopy with duodenal biopsy.
You should take complete antibiotic therapy, antispasmodics, probiotics, antipyretics, if needed.
You should maintain your hydration by taking potassium rich liquids.
Avoid milk and all milk related products.
You should also take mebeverine
for relief of your symptoms.
You should also continue the above described medicines.
Dr. Mayank Bhargava