Symptom guide · Digestive health
Bloated all the time — what it can mean
Being bloated after a large meal is normal. Being bloated every day, regardless of what you eat, is not. The difference is not how much it swells but how predictable it is.
Clinical assessment by a licensed physician. Patients across Sweden and internationally.
4.87 ★★★★★ Patient reviews on Reco Based on verified patient reviews Reco.seVerifiedShort answer: chronic bloating usually comes down to one of four things — incomplete breakdown of food, bacterial fermentation in the wrong part of the gut, immune reactivity to certain foods, or altered gut motility. They produce similar symptoms but require different action, which is why general dietary advice so often fails.
Common causes
Incomplete breakdown of food
If the pancreas produces too few enzymes, or stomach acid is insufficient, incompletely digested food travels further down the gut than it should. There it ferments. Typical pattern: bloating regardless of what you eat, strong-smelling gas, loose or greasy stools.
Bacterial fermentation in the wrong place
Bacteria belong in the colon. If they colonise the small intestine they ferment food before it can be absorbed. Typical pattern: swelling within 30–90 minutes of eating, often worse with fibre-rich or sugary food — the opposite of what general dietary advice recommends.
Immune reactivity to foods
Delayed immune reactions to foods can drive low-grade inflammation in the gut lining. Because the reaction appears hours to days after the meal, it is difficult to link to the right food on your own.
Altered gut motility
If the gut's wave-like movements are too slow, contents remain and ferment. Common in constipation-predominant presentations and aggravated by stress, thyroid dysfunction and certain medicines.
Hormonal and cycle-related causes
Many women experience swelling that follows the menstrual cycle. If bloating is cyclical rather than daily, the explanation often lies in hormonal fluid regulation rather than the gut.
When to seek care
The following should be assessed within conventional healthcare before any extended investigation. They are best excluded early and cost nothing to check.
- Blood in the stool or black stools
- Unintentional weight loss
- Anaemia
- Fever, night sweats or symptoms that wake you
- Swelling that is persistent and does not vary through the day
- New symptoms after the age of 50
- Family history of bowel cancer, coeliac disease or inflammatory bowel disease
No functional analysis replaces conventional medical assessment for these symptoms.
What can actually be measured
Several of the causes above can be investigated objectively. The table shows which measurement answers which question — which is warranted in your case depends on the symptom pattern, not on how comprehensive the panel is.
| Possible cause | What is measured | Analysis |
|---|---|---|
| Incomplete breakdown | Pancreatic elastase-1, faecal fat, muscle fibres | GI Effects® |
| Bacterial fermentation in the small intestine | Hydrogen and methane in breath over time | SIBO Breath Test |
| Gut flora composition | Microbiome by PCR, short-chain fatty acids | GI Effects® |
| Inflammation in the gut lining | Calprotectin, EPX, secretory IgA | GI Effects® |
| Cyclical, hormonally driven swelling | Sex hormones and metabolites over time | Women's Health+ |
MediBalans is the exclusive Genova Diagnostics distributor in Sweden. Analyses are ordered after clinical assessment, sampling is usually done at home, and results are interpreted by a licensed physician alongside your history.
What you can do first
Start with primary care if you have not already
Faecal calprotectin and blood counts are free, fast and rule out serious disease. Any further investigation is more meaningful once that is done.
Keep a diary for two weeks — but the right way
Record the time of the meal and the time of the swelling, not just what you ate. The delay is often more informative than the content.
Be careful about eliminating foods on your own
Prolonged self-imposed elimination diets narrow the diet, reduce gut flora diversity and make later investigation harder to interpret.
Note whether it follows your cycle
If swelling is predictably worse on certain days of the month, that is a different investigation from daily bloating.
Frequently asked questions
Why am I bloated all the time even though I eat healthily?
Healthy food is not the same as easily digestible food. Fibre-rich vegetables, legumes and wholegrains ferment strongly if they reach bacteria in the wrong part of the gut or if breakdown is incomplete. The problem is not the food itself but where and how it is broken down.
My tests were normal — why am I still bloated?
Standard primary-care tests are designed to detect or exclude inflammatory bowel disease and bleeding. They do not measure digestion, pancreatic enzyme production, gut flora composition or its metabolic output. Normal tests exclude disease — not dysfunction.
Can the cause of bloating be measured?
Several of the causes can be measured objectively. Enzyme production is assessed via pancreatic elastase-1 in stool, bacterial fermentation in the small intestine via hydrogen and methane breath testing, and gut flora composition via a comprehensive stool profile. Which measurement is warranted depends on the symptom pattern.
What does an investigation for bloating cost?
GI Effects Comprehensive costs SEK 8,500 and the SIBO breath test SEK 3,700 through MediBalans, including the kit, analysis at Genova Diagnostics and clinical interpretation by a licensed physician. Which analysis is warranted is decided at the initial consultation.
Find out why
An initial consultation gives a clinical assessment of your situation and a clear next step — which investigation is warranted, and which is not.
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