What Causes Bloating?

Various factors can lead to bloating. Most commonly, bloating is caused by:

  • Presence of intestinal gas
  • Swallowing air unintentionally
  • Constipation
  • Overeating or being overweight
  • Bacterial overgrowth in the intestine
  • Fatty foods
  • Irritable bowel
  • Lactose intolerance (inability to digest lactose, a sugar found in dairy products).
  • Taking certain medications that contain acarbose, lactulose or sorbitol

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