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Shortness of Breath (Dyspnea)
Feeling unable to get enough air; tightness in chest.
Red Flags
If you experience these, seek immediate medical attention.
- •Sudden onset at rest
- •Chest pain or nausea present
- •Blue lips or fingertips
- •Audible wheezing or high-pitched sound (stridor)
- •History of blood clots or recent surgery
Overview
Breathing difficulty can be acute or chronic and may involve the heart or lungs. It is a subjective sensation of "air hunger".
Possible Causes
Asthma
Airway inflammation and narrowing.
Pneumonia
Infection in one or both lungs.
Heart Failure
Heart cannot pump enough blood to meet body needs.
Panic Attack
Anxiety inducing rapid breathing.
Home Care
- Sit upright and lean forward slightly.
- Use prescribed inhalers if asthmatic.
- Pursed-lip breathing technique.
Research cited
Sources for this page are being compiled. Each research summary on Body Signals is backed by peer-reviewed literature — source links will be added as part of our ongoing editorial review.
Sidebar
When to see a doctor
- •Breathing difficulty affects ability to talk.
- •Symptoms occur after minor exertion.
- •Accompanied by fever or cough.
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Medical Disclaimer
This is a research summary, not medical advice. Body Signals is an independent research digest — it summarises published research for informational purposes and is not a healthcare provider. Consult a qualified healthcare provider before making changes to diet, exercise, supplements, or medication — especially if you have existing conditions or take prescription drugs.