Health Library · Respiratory & Infection

Shortness of breath causes

Overview

Shortness of breath (dyspnea) can be cardiac, pulmonary, hematologic, or psychiatric. Sudden onset with chest pain deserves emergency evaluation.

Symptoms to watch for

  • Feeling unable to catch your breath
  • Air hunger
  • Chest tightness
  • Rapid breathing

What else could this be?

  • Asthma or COPD flare
  • Pneumonia
  • Pulmonary embolism
  • Heart failure
  • Anemia
  • Anxiety/panic

How it's diagnosed

Pulse ox, chest X-ray, ECG, D-dimer/CT PE, echocardiogram depending on suspicion.

Treatment

Treat the cause. Inhalers for airway disease, diuretics for heart failure, anticoagulation for PE.

When to book a visit

Book for chronic mild dyspnea. Call 911 for sudden severe shortness of breath.

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