Knowledge
Sometimes the breathing itself is the problem. The pattern has slipped out of step, and that alone produces breathlessness, dizziness and tingling, even when the lungs are working normally. It is the third of the three conditions that get confused with one another, and it is the one most often missed.
Dysfunctional breathing is an unhelpful breathing pattern that produces symptoms in its own right. The lungs may be entirely healthy, or the symptoms may be far out of proportion to a lung condition that is in fact present. Either way, the problem sits in how the breathing is carried out rather than in the airways themselves.
You can think of breathing as a motor skill, like walking or posture: it runs automatically, but it can be nudged out of step. That is a way of understanding the condition and the frame the treatment builds on, not a demonstrated mechanism. The patterns vary: breathing that sits too high in the chest instead of using the diaphragm, a rhythm that is irregular or too fast, breaths that are too deep for what the body needs, or a flow broken up by frequent sighs and yawns.
Hyperventilation is one form of it, not the whole picture. The older term hyperventilation syndrome covers only the cases where the total volume of air is too great, and it leaves out the patterns where the rhythm or the mechanics are the problem. That is why the broader term is used today.
Symptoms
The most telling feature is the mismatch: the symptoms do not line up with what the measurements show, and they do not follow the neat timing of asthma or of laryngeal obstruction.
Being told that the tests are normal is often heard as being told that nothing is wrong. That is not the message here. The symptoms are physical: the breathing itself produces them, and they can be observed. Normal lung and airway tests only mean that the explanation does not lie there.
But do not use this page to rule out something acute. For life-threatening symptoms, including sudden, severe breathlessness, chest pain or fainting: 112. Outside your GP's opening hours: the 1813 medical helpline (the Capital Region of Denmark). Contact your own GP during their opening hours if the breathlessness is new and increasing, comes on with everyday activity or wakes you at night, or if you also have blood in your sputum, swollen legs, particularly if only one is swollen and tender, weight loss, fever or a cough that will not go away. The clinic is not an emergency service.
It occurs at all ages and in people at every level of fitness, from those who never exercise to elite athletes. Many people describe it as having begun after something: a chest infection, a long spell of coughing, a period of strain, or an injury that changed how you hold yourself. These are patients' own accounts rather than anything mapped systematically. Sometimes there is no clear starting point at all.
The single most important group is people who already have asthma. That the two occur together is well described, and it can make an asthma appear impossible to control: the medication is working on the asthma, but it cannot do anything about the breathing pattern. The result is more and more treatment for a problem the treatment was never aimed at.
The same applies to athletes assessed for exercise-related breathlessness. Here the pattern regularly sits alongside exercise-induced asthma or laryngeal obstruction rather than instead of them.
Three conditions that are confused
Three details separate them in practice. Asthma is heard as a wheeze from the chest and is worst in the minutes after exercise. Laryngeal obstruction is heard as laboured, audible breathing from the throat and is worst at peak effort. Dysfunctional breathing follows neither rule: it can arrive before the session, in the middle of it, hours later, or on a day with no exercise at all. Add to that the symptoms the other two do not produce, the dizziness and the tingling, and the picture usually resolves.
But the reason this matters is not that you must pick one. It is that all three can be present at the same time, and treating only the one that was found first is exactly how people end up with years of medication that does not work.
Diagnosis
Dysfunctional breathing is too often what is left over when everything else has come back normal. That is the wrong way round. It has features of its own, and they can be assessed directly.
When the symptoms come, what else follows them, and how they relate to exertion. Dizziness and tingling point in a direction the other two conditions do not.
How the breathing actually looks, at rest and under load: where it sits, how regular it is, how fast, and what happens to it when you are asked to do something else at the same time.
Lung-function testing and, where relevant, a provocation test settle the asthma question. That matters here precisely because the conditions so often sit side by side.
A structured questionnaire on the accompanying symptoms is often used alongside this. It does not make the diagnosis on its own, but it captures the pattern of complaints in a form that can be followed over time, which is useful once retraining is under way.
Retraining
There is no medication for a breathing pattern. What works is retraining, and if you think of breathing as a motor skill, that follows the same logic as any other movement you relearn: understand it, practise it slowly, then carry it into load.
Knowing why a deep breath can make the air hunger worse rather than better changes what you do in the moment. The idea is that the response to breathlessness can help sustain it, which is why understanding is part of the treatment. That is the model the retraining builds on.
The core of the treatment is breathing retraining with a physiotherapist experienced in the area. The work starts with breathing at rest, moves on to holding the pattern while doing something else, and ends with keeping it under the load that provoked the symptoms. The approach has been tested in randomised trials in asthma patients with symptoms of dysfunctional breathing, where it improved quality of life, but not everyone benefits.
Asthma, laryngeal obstruction, nasal obstruction and reflux should be handled on their own terms. Retraining a breathing pattern is much harder if something is genuinely obstructing the airway at the same time.
Stopping exercise is rarely part of the plan. The point of the work is to make the breathing hold up under load, and that cannot be practised from the sofa. The intensity is adjusted along the way instead.
Selected references behind this page.
FAQ
Hyperventilation is one form of it, not the whole picture. The older term hyperventilation syndrome covers only the cases where you breathe too much. Dysfunctional breathing also takes in the patterns where the rhythm is irregular, where the breathing sits too high in the chest, or where it is broken up by frequent sighs, without the total volume of air necessarily being too great.
No. The symptoms are physical: the breathing itself produces them, and the pattern can be observed. A useful way to understand it is that breathing resembles a motor skill on a par with walking and posture, which can slip out of step. Tension can play a part, but that does not make the symptoms imagined.
Yes, and the two occurring together is well described. It can make an asthma look as though it cannot be controlled: the medication works on the asthma, but it cannot do anything about the breathing pattern. Both should therefore be assessed when the symptoms do not match what the measurements show.
When you breathe more than the body needs, the level of carbon dioxide in the blood falls. That shifts the blood’s acidity and affects the nerves, which is typically felt as tingling in the fingers, toes and around the mouth, often together with dizziness. It is unpleasant but not dangerous, and it passes once the breathing settles.
It is not made by ruling out everything else and then giving up. It rests on a positive assessment of the breathing pattern itself: how you breathe at rest and under load, which symptoms accompany it, and how those relate to the objective measurements. Asthma and exercise-induced laryngeal obstruction are confirmed or excluded at the same time, because the conditions often sit side by side.
The core of the treatment is breathing retraining with a physiotherapist experienced in the area. The clinic’s role is to make the right diagnosis, to exclude or treat whatever else is in play, and to refer in a targeted way, so the retraining happens on a settled footing.
It is training rather than a cure, so it takes weeks to months rather than days. Many people notice a difference early, once they understand the mechanism and get the first exercises, but making the new pattern hold under load takes repetition over time.
Yes, and as a rule you should. The whole point is to get the breathing to work under load, and that cannot be practised from the sofa. The intensity is adjusted along the way, but a break from training is rarely part of the plan.
When breathlessness does not match the measurements, the answer is usually that more than one thing is in play. The clinic assesses the whole picture rather than stopping at the first plausible explanation. A referral from your GP is normally required; you can also be seen as a private or insurance patient. This page is general information and does not replace a medical assessment.