Do breathing exercises really help reflux?

A randomised trial found diaphragmatic breathing training improved quality of life and reduced acid exposure in non-erosive reflux disease. It is a small literature but it is specific, and the mechanism — the crural diaphragm's role in the barrier — is well established.

Can I stop my acid tablets?

Not on this basis alone, and not abruptly — rebound acid secretion after stopping a proton-pump inhibitor is well documented. If you want to come off, plan it with your clinician.

When should I do the exercise?

At least an hour after eating, sitting upright, once or twice a day. Doing it on a full stomach is uncomfortable and counterproductive.

Reflux and the diaphragm: the breathing exercise with trial evidence

Burning after meals, worse lying down, a taste at the back of the throat, and a cough nobody can explain. The tablets help and you would rather not take them forever, and nobody has mentioned that your diaphragm is part of the mechanism.

Do this now

Train the barrier, ten minutes

10 minutes

Not straight after a meal — wait at least an hour. Sit upright or lie with the head raised.
One hand low on the belly. Breathe in through the nose so the hand rises and the chest stays quiet.
In for four, out for six. Keep it moderate — this is a repeated gentle effort, not a maximal breath.
Ten minutes, once or twice a day. In the trials the effect came from daily practice over four weeks.
Afterwards stay upright for a few minutes rather than lying flat.

Run it with a timer

The diaphragm is part of the valve

The barrier preventing reflux is not only the lower oesophageal sphincter: the crural diaphragm wraps around the oesophagus at the junction and contributes mechanically to closure, and its contraction during inspiration adds to that pressure. A weaker or poorly coordinated crural diaphragm — and a hiatus hernia, which disrupts the arrangement — reduces the barrier. That is why training it is not a wellness metaphor but a mechanical intervention.

What the trials found

A randomised controlled trial of diaphragmatic breathing training in non-erosive reflux disease found improved quality of life and reduced acid exposure compared with controls, with benefit maintained at follow-up in those who continued. Other trials in reflux and in belching disorders have found similar direction. It is a small literature, and unusually specific for a breathing intervention: an actual measured reduction in acid exposure rather than only in reported symptoms.

What it does not do

It does not correct a large hiatus hernia, it is not the answer to erosive oesophagitis, and it is not a reason to stop a proton-pump inhibitor without discussing it. Alarm symptoms — difficulty swallowing, weight loss, vomiting blood, anaemia — need endoscopy rather than exercises. And the ordinary measures still matter most: weight, the three-hour gap before bed, raising the head of the bed, and identifying your own triggers.

What changes it, over a week

Daily, ten minutes
Diaphragmatic breathing, upright, at least an hour after eating. Four weeks before judging it.
Every evening
Nothing to eat in the three hours before bed, and raise the head of the bed rather than piling up pillows.
All day
Nasal breathing, and notice air swallowing — gulping air with the mouth open contributes to belching and reflux symptoms.
If you take a PPI
Keep taking it as prescribed. If you want to reduce it, do that with your clinician — rebound acid on abrupt stopping is well documented.

When this is not a breathing pattern

See a clinician — promptly, and before assuming any of this applies to you — if any of these describe you:

Difficulty swallowing, or food sticking — needs prompt assessment
Vomiting blood, or black tarry stools — emergency
Unexplained weight loss, persistent vomiting, or anaemia
Reflux symptoms with chest pain, especially on exertion — treat as cardiac until excluded
New reflux symptoms over 55, or symptoms that have changed after years of being stable

This page is education, not medical advice, and no part of it is a diagnosis. Full disclaimer.

Questions people ask

Do breathing exercises really help reflux?: A randomised trial found diaphragmatic breathing training improved quality of life and reduced acid exposure in non-erosive reflux disease. It is a small literature but it is specific, and the mechanism — the crural diaphragm's role in the barrier — is well established.
Can I stop my acid tablets?: Not on this basis alone, and not abruptly — rebound acid secretion after stopping a proton-pump inhibitor is well documented. If you want to come off, plan it with your clinician.
When should I do the exercise?: At least an hour after eating, sitting upright, once or twice a day. Doing it on a full stomach is uncomfortable and counterproductive.

What this page is built on

— Eherer et al., 2012, American Journal of Gastroenterology — randomised controlled trial of diaphragmatic breathing training in gastro-oesophageal reflux disease
— Mittal & Balaban, 1997, New England Journal of Medicine — the oesophagogastric junction and the crural diaphragm
— Ong et al., 2018, and belching-disorder trials — diaphragmatic breathing in supragastric belching

Named by author and year. The DOIs live in the journal.

Put a number on it

Most of what is on this page tracks one measurement: the Control Pause. It takes sixty seconds, needs no account, and it is the thing that tells you whether any of this is working.