Possible causes of functional gastrointestinal disorders	Dietary choices	Results
Artificial sweeteners	Sugar-free gum (especially gum containing sorbitol or mannitol)	Bloating, often with diarrhea
Caffeinated beverages	Coffee, soda	Can cause belching and diarrhea but less likely to cause bloating
		Can decrease lower esophageal sphincter pressure, which causes belching
Carbonated drinks	Soda, other carbonated beverages	Excess gas and bloating
Eating habits	Bolting or gulping food, eating quickly, not thoroughly chewing food, routinely chewing gum	Belching, bloating, gas
Over-the-counter medications	Antacids containing magnesium	Diarrhea (bloating less likely)
Size and timing of meals	Large or frequent meals, meals eaten late in the day	Bloating with distention, dyspepsia
Specific foods	Beans, fiber, fructans, fructose, lactose, legumes	Gas