Hi Practo user,
There are several causes for pain in right side of abdomen. Duodenal ulcer is one of them.
Tropical sprue is an inflammatory condition in small intestine, it leads to mal absorption, indigestion, flatulence, pain etc. It might be managed through ayurvedic medicines and Yoga techniques. Consult with your all investigations report and medications history.
Next Steps
Avoid spicy and fried junk foods.
Prefer to eat fresh fruits and green vegetables.
Do regular Yoga and pranayana.