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Possible Causes of a Swollen Belly

A swollen abdomen can have several causes, from innocent factors such as indigestion to more serious disorders. Here are 10 possible causes that may explain a bloating feeling:


  1. Windiness: A build-up of gas in the stomach and intestines, often caused by foods such as carbonated beverages, dairy, beans or cabbages.
  2. Indigestion: An unpleasant feeling or stomach pain, possibly caused by overeating, excessive alcohol consumption, medications that irritate the stomach or mild stomach infection.
  3. Infection: A swollen abdomen may be a sign of stomach infection, often accompanied by symptoms such as diarrhoea, vomiting, nausea and abdominal pain.
  4. Bacterial overgrowth of the small intestine: Disruption of the balance of small intestine bacteria can lead to symptoms such as bloating, frequent diarrhoea and problems with food digestion and nutrient intake.
  5. Hold on to the moisture: An increase in fluid retention in the body, possibly caused by salt food, hormonal changes or food intolerances.
  6. Food intolerances: Reactions to certain foods, such as lactose intolerance, gluten allergy or coeliac disease, may lead to swelling of the abdomen and other stomach problems.
  7. Chronic disorders: Disorders such as Crohn's disease and irritable bowel syndrome (PDS) may cause bloating along with other symptoms such as flatulence, diarrhoea and vomiting.
  8. Gastroparesis: Reduced gastric movements due to nerve problems, sometimes associated with diseases such as diabetes or hypothyroidism.
  9. Gynecological disorders: Menstruation, menopause and endomatiosis can cause swelling of the abdomen, cramps and stomach pain.
  10. Constipation: A build-up of food contents in the intestines can lead to a bloated abdomen, which can often be relieved by hydration, movement and dietary changes.

It is important to consult a doctor if the feeling of bloating persists or is accompanied by severe symptoms.

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