Upper abdominal bloating after eating

Eating quickly, talking while eating, fizzy drinks and large portions can increase swallowed air or stretch the stomach. Some people react to lactose, wheat or another food ingredient; a food intolerance may cause bloating with cramps or loose stools. Irritable bowel syndrome can link bloating with bowel-habit changes. Persistent upper discomfort, nausea or early fullness can also occur with gastritis or Helicobacter pylori infection. Giardiasis is another possibility when bloating follows diarrhoea or contaminated water exposure. These symptoms do not identify one condition by themselves.

Keep a short record of meals, portion size, timing, bowel changes and other symptoms. Try slower eating, thorough chewing, still drinks and smaller portions. Avoid removing many foods at once; a clinician or Nutrition Counselling service can help test a suspected trigger without creating nutritional gaps. Do not start a gluten-free diet before discussing coeliac disease testing, because changing gluten intake can affect assessment.

Arrange a medical review if bloating is persistent, repeatedly returns, affects eating or comes with weight loss, ongoing vomiting, diarrhoea, constipation, blood in stool, difficulty swallowing or marked fatigue. Seek urgent help for severe or rapidly worsening pain, a hard swollen abdomen, repeated vomiting, black stools, fainting, chest pain or trouble breathing.

Could my symptoms fit food intolerance, lactose intolerance, coeliac disease or another digestive problem? Which tests are appropriate, and should I keep eating gluten until testing is complete? What warning signs should prompt urgent care?