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How Is Bronchitis Diagnosed?

Your doctor usually will diagnose bronchitis based on your signs and symptoms. He or she may ask questions about your cough, such as how long you've had it, what you're coughing up, and how much you cough.

Your doctor also will likely ask:

  • About your medical history
  • Whether you've recently had a cold or the flu
  • Whether you smoke or spend time around others who smoke
  • Whether you've been exposed to dust, fumes, vapors, or air pollution

Your doctor will use a stethoscope to listen for wheezing (a whistling or squeaky sound when you breathe) or other abnormal sounds in your lungs. He or she also may:

  • Look at your mucus to see whether you have a bacterial infection
  • Test the oxygen levels in your blood using a sensor attached to your fingertip or toe
  • Recommend a chest x ray, lung function tests, or blood tests
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Bronchitis Clinical Trials

Clinical trials are research studies that explore whether a medical strategy, treatment, or device is safe and effective for humans. To find clinical trials that are currently underway for Bronchitis, visit www.clinicaltrials.gov.

 
May 01, 2009 Last Updated Icon

The NHLBI updates Health Topics articles on a biennial cycle based on a thorough review of research findings and new literature. The articles also are updated as needed if important new research is published. The date on each Health Topics article reflects when the content was originally posted or last revised.

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