Goals & situationsEarly or limited evidenceReviewed 2026-08-02

Breathing exercises for breathlessness and lung efficiency

For the feeling of breathlessness, the most useful techniques are pursed-lip breathing (in through the nose, out slowly through pursed lips, about twice as long) and slow diaphragmatic (belly) breathing. They slow a fast, shallow pattern and make each breath more efficient. They ease the sensation but do not treat its cause - sudden, severe or new breathlessness needs urgent medical help.

These techniques calm a fast, breathless pattern and are taught in lung rehabilitation - but they are a wellbeing aid, not a treatment. Persistent or sudden breathlessness is a reason to see a doctor.

What to try

  • Pursed-lip breathing - in through the nose, out slowly through pursed lips, about twice as long.
  • Diaphragmatic (belly) breathing - low, slow and relaxed.
  • A gentle extended exhale to slow the overall pace.

Fast option

When you feel puffed after exertion, relax your shoulders and do a minute of pursed-lip breathing until the pace settles.

Longer option

A few minutes of slow belly breathing, practiced regularly when you are calm, so the pattern is familiar when you need it.

What to avoid

  • Fast, deep, forceful breaths - they tend to make breathlessness feel worse.
  • Breath-hold techniques while you feel breathless.
  • Using breathing to push through severe or worsening symptoms instead of seeking help.

Evidence and limitations

Evidence: Early or limited evidence

Pursed-lip and diaphragmatic breathing are standard patient techniques in lung rehabilitation, used to ease the sensation of breathlessness by slowing the breath. They relieve the feeling; they do not treat the underlying cause, and formal trial evidence is limited.[1][2]

When to see a doctor

In the app

BreathMate can pace a gentle, long-exhale rhythm to breathe along with. It supports calm, everyday breathing and is not a treatment for any condition.

Sources

  1. Breathing Exercises (diaphragmatic and pursed-lip breathing) - American Lung Association
  2. Breathing exercises for adults with asthma - Santino TA, Chaves GSS, Freitas DA, Fregonezi GAF, Mendonça KMPP, Cochrane Database of Systematic Reviews (2020). doi:10.1002/14651858.CD001277.pub4
  3. 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.