Bloating and excess gas are common digestive symptoms that can cause a swollen abdomen, trapped wind, excessive burping and abdominal discomfort. While occasional bloating is often linked to diet or eating habits, persistent symptoms may be worth investigating to rule out an underlying digestive condition and identify the most effective approach to treatment.
When to seek medical advice
Seek urgent medical advice if you experience
Relevant diagnostic tests
Most people experience stomach bloating and gas from time to time. Symptoms may develop after eating, gradually increase throughout the day or come and go depending on diet, lifestyle and digestive health.
Common descriptions include:
Accompanying symptoms
Depending on the cause, bloating and excess gas may occur alongside:
While occasional symptoms are common, persistent bloating should not be ignored, particularly if it is new, worsening or affecting your daily life.
There are many possible causes of stomach bloating and gas, ranging from simple dietary triggers to underlying digestive conditions.
Swallowing excess air
Eating too quickly, chewing gum, drinking fizzy drinks or talking while eating can increase the amount of air swallowed, contributing to bloating and burping.
Certain foods
Some foods naturally produce more gas when digested, including:
Food triggers vary from person to person.
Overeating
Large meals can place additional strain on the digestive system and may cause temporary bloating, fullness and discomfort.
Stress and anxiety
The digestive system and brain are closely connected. Stress can affect digestion and may worsen symptoms such as bloating, abdominal discomfort and changes in bowel habits.
Common digestive conditions
Irritable bowel syndrome (IBS)
IBS is one of the most common causes of recurring bloating. Alongside bloating, people may experience:
Food intolerances
Difficulty digesting certain foods can lead to excess gas production and bloating.
Examples include:
Constipation
When stools remain in the bowel for longer than usual, gas can become trapped and contribute to bloating and abdominal swelling.
Coeliac disease
Coeliac disease can cause symptoms such as bloating, diarrhoea and fatigue when the body reacts to gluten.
Less common or serious conditions
Although less common, persistent bloating may sometimes be associated with:
Most cases are not caused by a serious condition, but ongoing symptoms are worth discussing with a healthcare professional.
While occasional bloating is usually nothing to worry about, it’s worth speaking to a healthcare professional if symptoms persist, worsen or affect your quality of life.
Seek medical advice if you experience:
Red flag symptoms
Urgent medical advice may be recommended if bloating occurs alongside:
If symptoms are severe or rapidly worsening, it’s important to seek urgent medical advice through NHS 111, your GP or emergency services as appropriate.
Many people feel anxious about digestive investigations. Understanding what to expect can help make the process feel more manageable.
Initial consultation
A gastroenterologist will ask you:
These questions help build a clearer picture of what may be causing your symptoms.
Treatment depends on the underlying cause of your symptoms.
Self-care & home remedies
Many people experience improvement through simple lifestyle measures, including:
Medical & prescription treatments
Depending on the cause, treatment may include:
Your specialist will recommend the most appropriate approach based on your symptoms and diagnosis.
Specialist interventions
If an underlying condition is identified, targeted treatment may help reduce bloating and improve your overall digestive health.
The good news is that many causes of bloating respond well to treatment once the underlying issue has been identified.
Living with ongoing bloating and digestive discomfort can be frustrating, particularly when symptoms interfere with your confidence, social plans or daily routine.
At Clarity, our digestive health specialists provide:
From your first appointment through to diagnosis and treatment, our skilled team at Clarity is committed to helping you get the answers, support and treatment you need.
As the first step in your private digestive health journey, Clarity Consult is an entirely FREE consultation.
This is designed to be a clear, consultant-led private pathway for patients experiencing digestive symptoms, with fast access, transparent costs and flexible appointments.