Bloating is primarily caused by the accumulation of gas or air in the gastrointestinal (GI) tract, leading to a feeling of fullness, tightness, or swelling in the abdomen. The most common reasons for this include:
- Swallowing air: This can happen when eating or drinking too quickly, chewing gum, smoking, or wearing loose dentures, causing excess air to enter the digestive system
- Gas production from digestion: Certain foods, especially high-fiber foods like beans, peas, some vegetables (e.g., cauliflower, broccoli), and carbonated drinks, can cause gas as bacteria ferment undigested carbohydrates in the intestines
- Constipation: When stool remains longer in the colon, bacteria have more time to ferment it, producing gas and causing bloating
- Food intolerances: Conditions like lactose intolerance, gluten intolerance, or celiac disease can cause bloating due to difficulty digesting certain foods
- Medical conditions: Irritable bowel syndrome (IBS), small intestinal bacterial overgrowth (SIBO), gastroparesis, inflammatory bowel disease (IBD), infections, and gynecological issues can contribute to bloating
- Hormonal changes and stress: Hormonal fluctuations, especially in women (e.g., menstruation), and mental health factors such as stress and anxiety can also cause or worsen bloating
- Other causes: Fluid retention due to salty foods or medical conditions like liver or kidney disease, certain medications, and eating disorders can also lead to bloating
In summary, bloating results from excess gas or fluid in the digestive tract caused by dietary habits, digestive disorders, hormonal changes, or underlying medical conditions. Managing diet, eating habits, and addressing any health issues can help reduce bloating