Do breathing exercises help POTS?

They can help the breathing-pattern and low-carbon-dioxide component, which contributes to the light-headedness and fog. They do not correct the orthostatic tachycardia, and they belong alongside fluids, salt, compression and recumbent exercise rather than instead of them.

Should I do breath holds?

Not without specialist advice. Holds and Valsalva-type manoeuvres change venous return and can provoke symptoms or fainting in orthostatic intolerance. Slow continuous breathing, seated or reclined, is the safe version.

Why am I breathless if my oxygen is fine?

Because the problem is usually too little carbon dioxide rather than too little oxygen, and an oximeter does not measure carbon dioxide at all. Low CO₂ reduces cerebral blood flow and produces air hunger with a perfect saturation reading.

POTS and breathing: what helps, and why standing breath holds are a bad idea

You stand up and your heart climbs thirty beats. You are breathless without being short of oxygen, light-headed, foggy, and exhausted by things that should not be tiring. Someone suggested breathing exercises, which sounds either helpful or like more of the same.

Do this now

Slow breathing, seated or reclined

5 minutes

Sit well supported or recline. Do not do this standing — that is the one rule that matters here.
Mouth closed. In through the nose for five, out for five. No holds at either end.
Keep the breath small and quiet. Deliberate deep breathing tends to make the light-headedness worse.
Five minutes. Stop if you feel more symptomatic rather than less.
Get up slowly afterwards, and tense your leg muscles before you stand.

Run it with a timer

Why breathlessness is so common in POTS

Postural orthostatic tachycardia syndrome involves an excessive heart-rate rise on standing with orthostatic symptoms. Alongside it, a large proportion of patients have a disturbed breathing pattern: upper-chest, fast, with frequent sighing and air hunger. Studies have found hyperventilation and hypocapnia on standing in many people with POTS, and low carbon dioxide reduces cerebral blood flow — which contributes directly to the light-headedness and fog that are otherwise attributed to the heart rate alone.

What breathing work can reasonably do

Retraining the pattern — nasal, low, slow, small, and no sighing — addresses the hypocapnic component. That is a real target, and it is one of the few interventions in POTS that costs nothing and can be done lying down on a bad day. It does not correct the orthostatic tachycardia itself, and it should be framed accordingly.

Why breath holds are the wrong tool here

Breath-hold work, Valsalva-type manoeuvres and standing practice all interact badly with orthostatic intolerance: they alter venous return and can provoke symptoms or fainting. The Buteyko-style holds that suit other people on this site are not appropriate in POTS without specialist guidance. Slow continuous breathing, seated or reclined, is the version to use — and the core management remains fluids, salt where advised, compression, recumbent exercise reconditioning and medication where indicated.

What changes it, over a week

Daily, five to ten minutes
Slow nasal breathing, reclined or seated. Never standing, never with holds.
All day
Nasal breathing and no sighing top-ups. The hypocapnic component is the part that responds.
The core management
Fluids, salt if your clinician advises it, compression garments, and recumbent exercise — rowing, recumbent bike, swimming — built very gradually.
Before standing
Tense the legs, or cross and squeeze them, then rise slowly. Counter-pressure manoeuvres are simple and effective.

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:

Fainting, especially with injury, or fainting while lying down or during exertion — needs prompt cardiac assessment
Chest pain, or a resting heart rate that is persistently high rather than posture-related
New or worsening symptoms — do not assume it is POTS, particularly after an infection or a change in medication
Avoid breath holds, Valsalva manoeuvres and standing breathing practice unless a specialist has cleared them
Severe deconditioning or weight loss — that needs a clinician's plan rather than a self-directed programme

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

Questions people ask

Do breathing exercises help POTS?: They can help the breathing-pattern and low-carbon-dioxide component, which contributes to the light-headedness and fog. They do not correct the orthostatic tachycardia, and they belong alongside fluids, salt, compression and recumbent exercise rather than instead of them.
Should I do breath holds?: Not without specialist advice. Holds and Valsalva-type manoeuvres change venous return and can provoke symptoms or fainting in orthostatic intolerance. Slow continuous breathing, seated or reclined, is the safe version.
Why am I breathless if my oxygen is fine?: Because the problem is usually too little carbon dioxide rather than too little oxygen, and an oximeter does not measure carbon dioxide at all. Low CO₂ reduces cerebral blood flow and produces air hunger with a perfect saturation reading.

What this page is built on

— Stewart et al., 2018, and orthostatic physiology literature — hyperventilation and hypocapnia during standing in POTS
— Raj et al., 2022, Journal of Internal Medicine — long covid postural tachycardia and management principles
— Fu & Levine, 2018, Autonomic Neuroscience — exercise reconditioning in POTS

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.