Shortness of breath

New shortness of breath can be asthma, infection, anxiety, or heart-related. A provider can assess triggers and severity online — severe or sudden breathlessness needs the ER.

Also called: hard to breathe · dyspnea · trouble breathing

Medically reviewed by Dr. Ikechukwu Ogbu, MD
MD · Board-Certified, Internal Medicine · Last reviewed

Call 911 for any of these:

  • Sudden severe shortness of breath at rest
  • Blue lips or fingertips, or gasping for air
  • Chest pain, fainting, or coughing up blood
  • Rapid worsening over hours in someone with heart or lung disease

Conditions related to shortness of breath

These conditions may be associated with this topic. They are not a diagnosis or a ranked list of causes; follow the urgent-care guidance below.

Asthma

Asthma is related to this topic. Its presence here does not establish the cause of shortness of breath or that acute symptoms can be treated online.

Anxiety

Anxiety is related to this topic. Its presence here does not establish the cause of shortness of breath or that acute symptoms can be treated online.

Bronchitis

Bronchitis is related to this topic. Its presence here does not establish the cause of shortness of breath or that acute symptoms can be treated online.

COPD

COPD is related to this topic. Its presence here does not establish the cause of shortness of breath or that acute symptoms can be treated online.

When to see a clinician

  • Sudden severe shortness of breath at rest
  • Blue lips or fingertips, or gasping for air
  • Chest pain, fainting, or coughing up blood
  • Rapid worsening over hours in someone with heart or lung disease

Common questions