What Causes Dyspnea?

Dyspnea (shortness of breath) can be caused by:

  • Disease of the lungs​:

    • Asthma

    • Emphysema

    • Fibrosis

    • Cancer

    • Infection

    • Pulmonary hypertension

    • Pulmonary embolism 

  • Systemic disorders​:

    • Blood

    • Bone marrow

    • Thyroid

    • Immune system

  • Deconditioning

What are the Signs/Symptoms of Dyspnea?

Shortness of breath includes difficulty breathing at rest, with activity, while trying to lie flat, and/or waking up short of breath; symptoms can be gradual or sudden in onset.

How is Dyspnea Diagnosed?

Testing for dyspnea includes:

What are the Treatments for Dyspnea?

Treatment for shortness of breath depends on managing the underlying cause which may including medication, procedures, diet/lifestyle modification, exercise, and sometimes oxygen.