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Acute respiratory distress syndrome (ARDS)

Find out about acute respiratory distress syndrome, including who’s at risk of getting it, the symptoms, how it’s treated and what causes it.

About this information

This NHS content is written for people in England. Services, entitlements and contact routes may differ in other countries.

Who is at risk of getting acute respiratory distress syndrome (ARDS)

Acute respiratory distress syndrome (ARDS) usually affects people who are already unwell.

Causes of ARDS can include:

  • sepsis
  • infections such as pneumonia
  • acute pancreatitis
  • accidentally inhaling vomit or food
  • drowning
  • smoke inhalation
  • severe injuries
  • having blood transfusions
  • having a lung transplant

Symptoms of acute respiratory distress syndrome (ARDS)

Symptoms of acute respiratory distress syndrome (ARDS) include:

  • shortness of breath
  • taking short, fast breaths

Call 999 or go to A&E immediately if you or someone else:

  • have severe difficulty breathing, for example, not being able to get words out, choking, or gasping
  • have sudden shortness of breath and pain in your arms, back, neck or jaw
  • have sudden shortness of breath and your chest feels tight or heavy
  • have sudden shortness of breath and you're feeling sick or being sick
  • have sudden shortness of breath and you're coughing up blood
  • have sudden shortness of breath and you have pain or swelling in 1 of your legs
Find your nearest A&E

A&E safety messaging

Do not drive to A&E. Ask someone to drive you or call 999 and ask for an ambulance.

Bring any medicines you take with you.

Treatment for acute respiratory distress syndrome (ARDS)

Acute respiratory distress syndrome (ARDS) is treated in hospital, usually in an intensive care unit (ICU).

Treatment may include:

  • oxygen, which you breathe in using a mask
  • ventilation, where a machine is used to breathe for you
  • medicines, such as antibiotics to treat infection
  • fluids given through a vein

ARDS is a life-threatening condition and cannot always be cured. There's a chance someone who has it may die.

Complications of acute respiratory distress syndrome (ARDS)

ARDS can have long-term effects, such as:

  • shortness of breath
  • muscle weakness
  • pain

Acute respiratory distress syndrome (ARDS)

Causes

Acute respiratory distress syndrome (ARDS)

Symptoms

Acute respiratory distress syndrome (ARDS)

Medical treatments

Acute respiratory distress syndrome (ARDS) usually affects people who are unwell with conditions such as sepsis or pneumonia, or have severe injuries.

Symptoms of acute respiratory distress syndrome (ARDS) usually include shortness of breath and taking short, fast breaths.

Acute respiratory distress syndrome (ARDS) is treated in hospital. Treatment usually includes oxygen, ventilation, medicines and fluids.

Content supplied by the NHS website

Content supplied by the NHS website, refreshed 19 August 2026. View the original NHS article ↗

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