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Pulmonary Function Tests

Medically reviewed by Drugs.com. Last updated on Oct 31, 2022.

Pulmonary function tests (PFTs) measure how well your lungs work. PFTs may show the cause of breathing problems or how well treatments for a lung condition are working.

DISCHARGE INSTRUCTIONS:

Seek immediate care if:

  • Your shortness of breath does not get better after treatment, or it gets worse.
  • You cough up blood.

Call your doctor or pulmonologist if:

  • You have new or worsening symptoms.
  • You have questions or concerns about your condition or care.

Return to daily activities:

You may restart your medicines and return to your usual daily activities immediately after these tests.

Follow up with your doctor or pulmonologist as directed:

You may need to return to go over your test results. Write down your questions so you remember to ask them during your visits.

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The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.