I think you are suffering from malabsorption. Avoid oily and fatty meals.
Take tablet pancreoflat or tab enzar forte twice a day after meals for two weeks.
Take darolac sachets one sachet twice with water for one week.
Next Steps
Get your stool examination done.
Also get one USG abdomen, and CBC done
Health Tips
Avoid fatty oily and spicy foods.
Take lots of fluids