Pursed-lip breathing: slowing the breath when you feel breathless
Pursed-lip breathing means breathing in gently through the nose, then breathing out slowly through pursed lips - as if blowing through a straw - with the exhale about twice as long as the inhale. It slows the breathing rate and can ease the feeling of breathlessness. It is widely taught in lung rehabilitation. For sudden or persistent breathlessness, see a doctor: BreathMate is not a medical device.
A simple way to slow a fast, breathless pattern. It is taught for lung conditions, but it is not a substitute for medical care - persistent or sudden breathlessness needs a clinician.
The rhythm
| Phase | Seconds |
|---|---|
| Inhale | 2s |
| Exhale | 4s |
In through the nose for about 2, out through pursed lips for about 4 - roughly twice as long. Let the exhale be slow and relaxed, never forced.
How to do it
- Relax your shouldersSit or stand comfortably and let the neck and shoulders soften.
- Breathe in through the noseA gentle breath for about two seconds - no need for a big one.
- Purse your lipsAs if you were about to whistle or blow out a candle slowly.
- Breathe out slowly through pursed lipsFor about four seconds - roughly twice as long as the inhale.
Common uses
- Easing breathlessness during or after exertion.
- Slowing a fast, shallow breathing pattern.
- A tool taught in pulmonary rehabilitation for lung conditions.
What the evidence suggests
Pursed-lip breathing is widely taught in lung rehabilitation to relieve breathlessness by slowing the breath and keeping the airways open a little longer on the exhale. It is a recognised patient technique; formal trial evidence is limited, and it eases the sensation rather than treating any underlying condition.[1][2]
Safety and when to see a doctor
Beginner version
Practice when you are calm and rested first, so the pattern feels familiar before you reach for it during breathlessness.
How BreathMate implements it
BreathMate can pace a gentle in-2, out-4 rhythm so the long exhale stays even, without you having to count. It is a wellbeing tool, not a medical device.
Sources
- Breathing Exercises (diaphragmatic and pursed-lip breathing) - American Lung Association
- The physiological effects of slow breathing in the healthy human - Russo MA, Santarelli DM, O'Rourke D, Breathe (European Respiratory Society) (2017). doi:10.1183/20734735.009817
This is general wellbeing information compiled by our editorial team, not medical advice.