Pursed Lip Breathing Vs. Diaphragmatic Breathing: Differences, Similarities, And Best Use Cases
Published on: July 8, 2025
Pursed Lip Breathing Vs. Diaphragmatic Breathing: Differences, Similarities, And Best Use Cases
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Arsema Abebe Zeleke

Medical Doctor - MD, Addis Ababa University, Ethiopia

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Margaret Pruitt

MRes Global Public Health, QMUL

Hey there, readers. Let’s talk about breathing. Yes, that simple act of inhaling and exhaling that we often take for granted. But did you know that how we breathe can have a huge impact on our overall health and well-being? Breathing techniques aren’t just for yoga classes or meditation sessions. They can play a significant role in managing stress, improving lung function, and even aiding in the management of chronic health conditions. In this article, we will explore two specific breathing techniques: pursed lip breathing and diaphragmatic breathing. I’ll also explore how they can benefit you. Whether you’re dealing with a medical condition or just looking to reduce stress, these techniques can help.

Pursed lip breathing and its benefits 

Let’s start with pursed-lip breathing. This technique involves breathing in through your nose and exhaling slowly through pursed lips (pucker your lips like you’re blowing out a candle). It’s like giving your lungs a workout while giving yourself a chance to relax.

This technique improves oxygenation by controlling your breath, extending the exhalation and allowing your lungs to absorb more oxygen. It’s like giving your lungs a little extra help in getting the oxygen where it needs to go. Pursed lip breathing also reduces shortness of breath. This technique slows down your breathing rate, allowing you to breathe more deeply and steadily. 

Lastly, it promotes relaxation. The slow, controlled exhale helps activate the parasympathetic nervous system (fancy talk for your body’s “rest and digest” system), making it easier to unwind.

When to use pursed lip breathing

During COPD management:  If you’re dealing with chronic obstructive pulmonary disease (COPD) or other respiratory conditions, pursed lip breathing can help reduce the feeling of breathlessness.

During physical exertion: Next time you’re out for a run, doing a workout, or climbing a few flights of stairs, try pursed-lip breathing to keep your breath steady and your energy levels up.

For stress and anxiety relief: Pursed lip breathing can help calm your nervous system and reduce feelings of anxiety by focusing your attention on your breath.

What is diaphragmatic breathing?

Now, we can move on to diaphragmatic breathing, also known as “deep belly breathing.” Unlike the shallow chest breathing we tend to do when we’re stressed or anxious, diaphragmatic breathing focuses on fully expanding the diaphragm and filling the lungs from the bottom up. This technique helps increase lung capacity and overall oxygenation.

What are the benefits of diaphragmatic breathing

Firstly, it enhances lung efficiency. By using the diaphragm effectively, you improve the efficiency of your lungs, making it easier to take in oxygen and expel carbon dioxide.

Secondly, it reduces stress and anxiety. Diaphragmatic breathing activates the vagus nerve. This helps lower heart rate and blood pressure, which results in creating a calming effect on the body.

Lastly, it improves oxygen delivery. How? The deep, controlled breaths allow more oxygen to enter the bloodstream, which helps fuel your body and brain for better performance and clarity.

When to use diaphragmatic breathing

During stress management: If you're feeling overwhelmed or stressed, diaphragmatic breathing is a great tool to use for calming yourself down and regaining control.

During athletic performance: Athletes use diaphragmatic breathing to increase stamina and endurance by optimising oxygen intake during exertion

  1. During the rehabilitation program: Diaphragmatic breathing is commonly used in physical therapy and rehab settings to help patients regain strength and lung function after surgery or illness

Key differences between pursed lip breathing and diaphragmatic breathing

The first difference is the breathing pattern. Pursed-lip breathing involves a controlled inhale through the nose followed by a slow exhale through pursed lips. On the other hand, diaphragmatic breathing focuses on deep belly breathing, where you breathe in deeply through the nose and allow your diaphragm (not just your chest) to expand.

The other difference is in muscle engagement. In the pursed-lip breathing technique, you primarily use the muscles in the chest and diaphragm to regulate airflow. However, in diaphragmatic breathing, it emphasises the full engagement of the diaphragm, making it more of a “belly” breath.

There are also differences in how these techniques affect your body.

In the respiratory system, pursed-lip breathing helps keep your airways open longer, promoting better oxygen exchange. Diaphragmatic breathing increases lung capacity and efficiency.

On the heart, both techniques can reduce heart rate and lower blood pressure. However, diaphragmatic breathing has a slightly stronger impact due to its deeper and more controlled nature.

What do both breathing techniques have in common?

Despite their differences, both techniques share some core benefits.

Overall health benefits: Both help improve lung function, reduce stress, and promote relaxation.

Stress reduction: Whether you're using pursed lip breathing to catch your breath after a run or diaphragmatic breathing to unwind after a long day, both techniques can significantly reduce feelings of anxiety and tension.

Easy to learn and practice: The beauty of both techniques is that you don’t need to be an expert to get started. With just a little practice, you’ll be breathing better in no time!

How to choose the right technique?

So, how do you decide which technique is right for you? Here are some things to consider:

Individual health conditions: If you have a respiratory condition like COPD, pursed-lip breathing might be more beneficial for managing shortness of breath. If you’re dealing with high stress or anxiety, diaphragmatic breathing might be a better fit.

Specific goals: Are you looking to boost athletic performance? Diaphragmatic breathing might give you the edge. Looking to relax after a stressful day? Pursed lip breathing could be your go-to.

If you're ever in doubt, it’s always a good idea to consult with a healthcare professional who can guide you on which technique best suits your individual needs.

Summary

Breathing doesn’t have to be just an automatic process. It can be a powerful tool for improving your health and well-being. Whether you choose pursed lip breathing for better oxygenation and relaxation or diaphragmatic breathing to reduce stress and improve lung efficiency, incorporating these techniques into your daily routine can lead to significant benefits. I encourage you to give them a try. Start with a few minutes each day, and see how your body responds. Remember, your breath is always with you, so why not make it work for you?

FAQs

Can I practice both techniques together?

You can combine them based on your needs. Start with diaphragmatic breathing to relax, then switch to pursed lip breathing if you feel short of breath.

How often should I practice these techniques?

Aim for a few minutes each day. Consistency is key. You can practice whenever you feel stressed or need to catch your breath.

Are there any risks associated with these techniques?

Both techniques are generally safe for most people. However, if you have a respiratory condition, it’s best to consult your healthcare provider first.

Can these techniques help with exercise?

Yes, pursed-lip breathing is helpful during physical activities to manage breathlessness, while diaphragmatic breathing can enhance your lung capacity.

How quickly will I notice benefits?

You might feel more relaxed after just a few minutes of practice. With regular use, you’ll likely notice improved breathing and reduced stress over time.

References

  1. Belly breathing: Breathing more deeply can bring significant health benefits [Internet]. Mayo Clinic Press. 2024 [cited 2025 Apr 10]. Available from: https://mcpress.mayoclinic.org/healthy-aging/belly-breathing-breathing-more-deeply-can-bring-significant-health-benefits/ 
  2. Association AL. Pursed lip breathing [Internet]. [cited 2025 Apr 10]. Available from: https://www.lung.org/lung-health-diseases/lung-disease-lookup/copd/resource-library/pursed-lip-breathing-video 
  3. Nguyen JD, Duong H. Pursed-lip Breathing. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 [cited 2025 Apr 10]. Available from: http://www.ncbi.nlm.nih.gov/books/NBK545289/
  4. Miami CFPB 160112. Breathing techniques | COPD foundation [Internet]. [cited 2025 Apr 10]. Available from: https://www.copdfoundation.org/Learn-More/I-am-New-to-COPD/Breathing-Techniques.aspx 
  5. Yang Y, Wei L, Wang S, Ke L, Zhao H, Mao J, et al. The effects of pursed lip breathing combined with diaphragmatic breathing on pulmonary function and exercise capacity in patients with COPD: a systematic review and meta-analysis. Physiotherapy Theory and Practice [Internet]. 2022 Jul 3 [cited 2025 Apr 10];38(7):847–57. Available from: https://www.tandfonline.com/doi/full/10.1080/09593985.2020.1805834
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Arsema Abebe Zeleke

Medical Doctor - MD, Addis Ababa University, Ethiopia

Arsema is a medical doctor with a strong passion for public health and is particularly focused on Sexual and Reproductive Health and Rights (SRHR), working diligently to promote awareness and improve community health outcomes.
In addition to her clinical expertise, Arsema has a strong background in writing healthcare articles, effectively communicating vital health information to diverse audiences.

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