Why Am I Bloated? The Real Causes and What Actually Helps

By Tina Chagoury, Clinical Dietitian · 7 min read · 2026-09-27

Bloating is one of the most common things women live with and one of the most dismissed. Here is what usually causes it, what gives safe relief, and when it needs a doctor.

By the evening your stomach is a different shape from the one you woke up with. Your waistband presses, you feel full after half a plate, and on some days you look pregnant when you are not. If that sounds familiar, you are not imagining it. Bloating is one of the most common things women describe to me, and one of the most frequently brushed aside.

Bloating is a signal. The useful question is what is producing it, and the answer is rarely a single thing.

What bloating actually is

Bloating is the sensation of pressure, fullness or tightness in the abdomen. Distension is when the abdomen visibly expands.

Most bloating comes from one of three places:

• Gas, produced when gut bacteria ferment food, or swallowed with air
• Slow transit, when food and stool move through the gut more slowly than they should
• A sensitive gut, where normal amounts of gas are felt as pain and pressure

The third one surprises people. Many women with severe bloating do not produce more gas than anyone else. Their gut simply registers it more strongly, and stress turns that sensitivity up.

The most common causes of bloating

1. Eating fast, or eating stressed

When you eat quickly, eat while working, or eat standing up between tasks, you swallow air and you chew less. Digestion begins in the mouth, and food that arrives poorly chewed asks more of everything further down.

Stress matters just as much. In fight or flight, the body diverts resources away from digestion. You cannot digest properly in a state your body reads as an emergency.

2. Constipation

This is the cause I see missed most often. When stool moves slowly, gas is trapped behind it, and bacteria have longer to ferment what is sitting there. Many women do not realise they are constipated because they go every day. Going daily but incompletely, or straining, still counts. I have written about constipation in women separately, because treating it often resolves the bloating along with it.

3. Fermentable carbohydrates (FODMAPs)

Onion, garlic, wheat, pulses, some fruits and the lactose in milk contain carbohydrates that gut bacteria ferment. For most people this is normal and even beneficial. In a sensitive gut it produces gas, pain and distension. A low FODMAP protocol can identify your triggers, but it is a short test with a reintroduction phase. It was never meant to be a permanent diet.

4. Your menstrual cycle

After ovulation, progesterone rises and slows gut motility. Food moves more slowly, which is why bloating and constipation so often arrive in the week before your period, and why the pattern can flip to loose stools once progesterone drops. I explain that sequence in why you bloat before your period. In perimenopause the pattern becomes less predictable, because the hormones behind it no longer follow a clean rhythm.

5. Fizzy drinks, chewing gum and sugar free products

Carbonated drinks add gas directly. Chewing gum increases the air you swallow. Sugar alcohols such as sorbitol and xylitol, common in sugar free sweets and gum, are poorly absorbed and readily fermented.

6. Constant grazing

Between meals, the gut runs a cleaning wave that sweeps residue along the small intestine. It only runs when you are not eating. Snacking all day, even on healthy food, keeps interrupting it.

7. SIBO

Small intestinal bacterial overgrowth means more bacteria than normal are living in the small intestine. Fermentation starts early, so bloating often begins soon after eating and builds through the day. SIBO needs proper testing and treatment through your doctor.

Bloating after eating, or low in the belly?

Where and when you bloat tells you something.

Bloating soon after a meal points more to the stomach and upper gut: eating speed, large portions, fizzy drinks, and in some women reflux.

Bloating low in the abdomen that builds through the day points more to the large bowel: constipation, fermentation and the cycle.

Puffiness in your face, fingers and ankles is a different thing altogether. That is fluid held in the tissues, with its own list of causes, which I cover in water retention in women.

How to get rid of bloating fast, safely

When you are uncomfortable right now, these help without doing harm:

• Walk slowly for 10 to 15 minutes. Movement is one of the most effective ways to move trapped gas along.
• Sip something warm. Warm water, ginger tea or peppermint tea. Peppermint relaxes the muscle of the gut wall, but skip it if you get heartburn, because it can make reflux worse.
• Change position. Lying on your left side, or gently drawing your knees towards your chest, helps some women release gas.
• Loosen your waistband and breathe slowly into your belly. Slow breathing moves the nervous system out of stress mode, and the gut responds.

What I would avoid: laxatives taken to flatten the stomach, detox teas, and skipping meals the next day to compensate. They treat the feeling and make the pattern worse.

What helps over weeks

Quick relief is useful. Changing the pattern is what matters.

• Three structured meals, no grazing, so the gut's cleaning cycle can run.
• Eat sitting down, slowly, and chew properly. Simple, and badly underrated.
• Increase fibre gradually, with water. A sudden jump in fibre causes more bloating.
• Hydrate consistently. Stool needs water to move.
• Keep a two week diary of food, bowel movements, cycle day, sleep and stress. Patterns usually show themselves quickly.
• Use low FODMAP only with a plan: a defined elimination, then structured reintroduction, ideally with a dietitian.
• Test before you remove gluten. Coeliac disease must be tested while you are still eating gluten.

When bloating needs a doctor

Please see a doctor promptly if bloating comes with any of the following:

• Blood in your stool, or black stool
• Weight loss you cannot explain
• Persistent vomiting or difficulty swallowing
• Severe pain, or pain that keeps getting worse
• Fever
• A change in bowel habit that lasts more than a few weeks
• Anaemia, or a family history of bowel or ovarian cancer
• New bloating that is present almost every day, particularly if you are over 50, or that comes with feeling full quickly, pelvic pain or needing to pass urine more often

That last point matters for women specifically. Persistent daily bloating can have a gynaecological cause, and it deserves proper assessment, even though the explanation is usually far less serious.

Common is not the same as normal. Bloating that is with you every single day deserves a real answer.

This article is nutrition education, not medical advice. Persistent or severe digestive symptoms should always be assessed by a doctor.

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About the author. Tina Chagoury is a licensed clinical dietitian specialising in women's hormonal health, inflammation and gut health, and the creator of the Hormone Reset Method™. Learn more about the Hormone Reset Method.

Frequently asked questions

Why is my stomach bloated every day?

Usually a pattern: constipation, eating fast or under stress, constant grazing, fermentable foods or a sensitive gut. New bloating that is present almost every day should be checked by a doctor.

How do I get rid of bloating fast?

A slow walk of 10 to 15 minutes, a warm drink such as ginger tea, a looser waistband and slow belly breathing all help. Avoid laxatives and detox teas as a way to flatten your stomach.

Can hormones cause bloating?

Yes. Progesterone slows the gut in the second half of the cycle, which is why many women bloat in the week before their period. Perimenopause often makes this less predictable.

Is bloating a sign of something serious?

Usually not. It needs a doctor when it comes with blood in the stool, weight loss, vomiting, fever or severe pain, or when it is new, persistent and daily, especially after 50.

Does drinking water help bloating?

It helps when constipation is part of the cause, because stool needs water to move. It works best alongside a gradual increase in fibre.

Related reading

• Why You Bloat, Retain Water and Sometimes Get Diarrhoea Before Your Period
• Low FODMAP Is a Diagnostic Tool, Not a Way of Life
• Water Retention Is Not One Problem. It Is Eight.