s disease, Chagas disease,
colon inertia(nerves and/or muscles of the
colon do not work normally) and pelvic floor dysfunction(the muscles of the lower pelvis that surround the rectum (the pelvic floor muscles) do not work normally).
Increase the fiber amount in your diet. The best natural sources of fiber are fruits, vegetables, and whole grains.If still the symptoms persist then pls consult a gastroenterologist and discuss these possibilities.
Hope it helps.