What should you know about unexplained stomach bloating?

Bloating can reflect gas, constipation, changes in gut movement, or sensitivity to particular foods. Irritable bowel syndrome, lactose intolerance, food intolerance, coeliac disease, giardiasis, and Helicobacter pylori infection can each present with digestive symptoms that include bloating. The sensation may be fullness, pressure, visible distension, or a changing waistline. Bloating itself does not identify one diagnosis.

Keep a short diary of meals, drinks, bowel movements, pain, and the timing of swelling. Eat slowly, drink fluids, and gentle movement may support comfortable digestion. Avoid removing many foods at once or starting restrictive diets without professional advice; this can make nutrition harder and obscure useful patterns. Book a primary-care review if symptoms continue, interfere with eating or sleep, or recur without a clear trigger. Nutrition counselling may help with a balanced plan.

Seek urgent help for severe or rapidly increasing abdominal pain, a hard swollen abdomen with repeated vomiting, inability to pass stool or gas, black or bloody stool, fainting, fever with marked illness, or swelling with breathing difficulty. Prompt medical review is also appropriate for ongoing bloating with unintentional weight loss, persistent vomiting, or a new change in bowel habit.

Could my pattern suggest constipation, intolerance, infection, or another digestive problem? Should I have blood, stool, or breath testing? Which foods should I keep eating while tests are arranged? Would a dietitian help me plan safely?