Hi, many thanks for the query!
You need to do- Stool (Culture & Microscopy), CBC, ESR
, USG (Abdo-Pelvis).
You haven't mentioned your age.
Take antibiotics according to reports, antispasmodics, antacids, pre- & pro-biotics with your doctor's opinion.
Eat high fibre diet, drink plenty of water.
Wish you a good health.