Abdominal bloating is an uncomfortable condition with many possible causes. Abdominal swelling can be a one-time experience or part of a chronic health problem, depending on the cause. According to MedlinePlus, an online service of the National Institutes of Health, causes of a swollen abdomen include overeating, pregnancy, weight gain and fluid in the abdomen. When the abdominal bloating always occurs directly after eating, however, other causes are more probable.
Gas-Producing Foods
Certain foods are more likely to cause additional gas in the intestines, which can lead to abdominal bloating after eating, according to MedlinePlus. The foods most likely to produce excess gas include beans, fruits, hard candy, lettuce, cauliflower, broccoli and brussels sprouts. Swallowing air can also cause excess gas.
Food Allergies
Food allergies may cause abdominal bloating. Specific allergens may be determined by keeping track of what you eat and noting when you experience the bloating. According to the Foodintol website, foods most likely to cause allergies include dairy, wheat and other grains. Such allergies are associated with lactose intolerance and Celiac disease. Consult a doctor or nutritionist if you believe you have a food allergy.
Irritable Bowel Syndrome
Irritable bowel syndrome and other intestinal disorders, such as Crohn's disease, may cause abdominal swelling after meals, according to MayoClinic.com. In additional to abdominal swelling, these illnesses frequently cause cramping, diarrhea and flatulence after eating.


