This type of drink, Amazake , is available in health food stores. Some Asian cultures use Kuzu , the powdered root of the wild arrowroot, to treat diarrhea. Kuzu is mixed with water and taken as a thick beverage to sooth and strengthen the intestines. Metamucil or psyllium husks may be helpful. Other Suggestions Eat small, frequent meals throughout the day.
Smaller meals are easier to digest.
Anti-diarrheal medication may also be prescribed by your doctor.