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Preparing for bronchoscopy
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Bronchoscopy is a procedure that lets a doctor look inside your airways — the tubes that carry air to and from your lungs. A thin, flexible tube with a tiny camera (called a bronchoscope) is gently passed through your nose or mouth. This test helps find the cause of breathing problems, take small tissue samples (biopsy), or remove blockages.
Key facts
Yes, bronchoscopy is a common procedure performed in hospitals and clinics around the world.
It is used for people of all ages who have certain lung symptoms or conditions, such as a long-lasting cough, coughing up blood, or a suspicious spot on a chest X-ray.
Bronchoscopy is used to diagnose lung problems. Before the procedure, you usually have a physical exam and imaging tests to see what is going on inside your chest.
Before the procedure, you will be asked not to eat or drink for 6 to 8 hours. You will receive a sedative through a needle in your arm to help you relax. The doctor will spray a numbing medicine into your nose or throat. Then the bronchoscope is gently passed into your airways. You may feel some pressure or coughing, but it is not painful. The procedure takes about 30 to 60 minutes. Afterwards, you will rest in a recovery area for a few hours until the sedation wears off. Your throat may be sore, and you might cough up a little blood. You must have someone drive you home.
Bronchoscopy can be both a diagnostic and a treatment tool. For example, the doctor may remove a foreign object that was inhaled, take out a small growth, or place a small tube (stent) to keep an airway open.
If a biopsy is taken during bronchoscopy, the tiny tissue sample is sent to a lab for testing. Depending on the results, your doctor may recommend further treatment such as antibiotics for an infection, medicines to reduce inflammation (like steroids), or other therapies to treat the underlying condition. Your healthcare team will discuss the results and next steps with you in detail.
Most people feel back to normal within a day or two after bronchoscopy. You may have a mild sore throat or a slight cough for a few days. For the first 24 hours, avoid driving, using machinery, making important decisions, or drinking alcohol.
You can eat normally once the numbing medicine wears off, usually within a couple of hours. Soft, cool foods like yogurt or smoothies may be easier if your throat is sore. Gentle activity like walking is fine, but avoid strenuous exercise for 24 hours.
Waiting for biopsy results or answers about your lungs can be very stressful. It is normal to feel anxious or worried before and after a bronchoscopy. Talk to your doctor or a counselor about your feelings. If you feel overwhelmed or have thoughts of harming yourself, reach out to a crisis support service immediately.
Bronchoscopy itself is not something you prevent – it is a helpful procedure. However, you can reduce your chance of having a lung problem that might lead to a bronchoscopy by not smoking, avoiding lung irritants, and treating infections early.
Yes, staying up to date with recommended vaccinations – such as the flu vaccine and pneumonia vaccine – can lower your risk of lung infections that could require a bronchoscopy.
If you are at high risk for lung cancer (heavy smoker, family history), your doctor may suggest a low-dose CT scan screening. This can find lung problems early, sometimes before a bronchoscopy is needed.
Bronchoscopy is a safe and valuable procedure. The outlook depends on what is found and how it is treated. Many conditions discovered by bronchoscopy are treatable, and your healthcare team will work with you to create a plan that gives you the best chance of recovery. Even if something serious is found, early diagnosis through bronchoscopy can lead to better treatment options and hope.
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Always verify with your doctor
Health guidelines vary by country and region. The information in this article is based on international clinical guidelines but may not reflect the specific guidelines, medications, or practices in your country. Always discuss your health concerns with your own doctor or healthcare provider, and refer to your local national health guidelines where available.
Important notice This information is for educational purposes only. It does not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about your specific situation. If you are experiencing a medical emergency, call your local emergency services immediately.
This article is educational and is prepared with reference to recognized health information and clinical guidance sources where available. Specific source links may vary by topic.
Last updated: July 16, 2026
Educational note: This information is for education only and is not a diagnosis.
Use it to support, not replace, advice from a licensed clinician.
If symptoms are severe, worsening, or urgent, call your local emergency number or seek emergency care.
If a condition found during bronchoscopy requires a more involved operation (for example, to remove a part of the lung), your doctor will explain all the surgical options and help you prepare.