Launching January 2027

Bronchitis

Bronchitis At A Glance

  • Bronchitis occurs when the bronchial tubes become inflamed and produce excess mucus, causing coughing and making breathing more difficult.
  • Acute bronchitis is usually caused by a viral infection and typically improves within 1–3 weeks, although the cough may last longer.
  • Common symptoms include a persistent cough, mucus production, chest discomfort, wheezing, shortness of breath, and fatigue.
  • Most cases of acute bronchitis do not require antibiotics because they are caused by viruses rather than bacteria.
  • Chronic bronchitis is a long-term form of COPD and is most commonly associated with cigarette smoking and prolonged airway irritation.
  • Rest, fluids, avoiding smoke and other lung irritants, and appropriate symptom treatment can help with recovery and protect respiratory health.

Table of Contents

Table of Contents

What Is Bronchitis?

Bronchitis is inflammation of the bronchial tubes, the airways that carry air to and from your lungs. When these airways become inflamed, they produce excess mucus, causing coughing and making it more difficult to breathe.

There are two main types of bronchitis:

  • Acute Bronchitis: A short-term illness that is most commonly caused by a viral infection, such as the common cold or influenza. Symptoms usually improve within 1 to 3 weeks.
  • Chronic Bronchitis: A long-term condition and a form of chronic obstructive pulmonary disease (COPD). It is defined as a productive cough lasting at least 3 months each year for 2 consecutive years. Smoking is the leading cause of chronic bronchitis.

Most cases of acute bronchitis improve with rest, fluids, and symptom management. Antibiotics are usually not needed because most cases are caused by viruses.

Learn More

Bronchitis – NIH MedlinePlus
https://medlineplus.gov/bronchitis.html

Provides easy-to-understand information about bronchitis, symptoms, diagnosis, treatment, and prevention.

Bronchitis – Centers for Disease Control and Prevention (CDC)
https://www.cdc.gov/acute-bronchitis/

Provides information about acute bronchitis, causes, treatment, and appropriate antibiotic use.

How Common Is Bronchitis?

Bronchitis is one of the most common respiratory illnesses seen by healthcare providers. Acute bronchitis affects millions of people each year and is one of the leading reasons for outpatient medical visits.

Most cases occur during the fall and winter months when respiratory viruses circulate more frequently. Chronic bronchitis affects millions of adults and is most commonly seen in people with a history of cigarette smoking.

Learn More

Bronchitis – NIH MedlinePlus
https://medlineplus.gov/bronchitis.html

Provides information about bronchitis, risk factors, and treatment.

What Symptoms Might You Notice?

Symptoms depend on whether bronchitis is acute or chronic.

Common symptoms may include:

  • Persistent cough
  • Cough producing clear, white, yellow, or green mucus
  • Chest discomfort or tightness
  • Wheezing
  • Shortness of breath
  • Fatigue
  • Mild fever and chills (more common with acute bronchitis)
  • Sore throat
  • Runny or stuffy nose
  • Body aches

With acute bronchitis, the cough often continues for 2 to 3 weeks, even after the infection has improved.

How Is Bronchitis Diagnosed?

Your healthcare provider will review your symptoms, medical history, smoking history, and perform a physical examination, including listening to your lungs.

Because bronchitis shares symptoms with pneumonia, asthma, COVID-19, influenza, and COPD, additional testing may be recommended depending on your symptoms.

Learn More

Bronchitis – NIH MedlinePlus
https://medlineplus.gov/bronchitis.html

Explains how bronchitis is diagnosed and when additional testing may be needed.

Bronchitis infographic – click to enlarge

What Causes Bronchitis?

Most cases of acute bronchitis are caused by viruses, including those that cause the common cold, influenza, COVID-19, and RSV.

Less common causes include:

  • Bacterial infections
  • Cigarette smoking
  • Vaping
  • Air pollution
  • Dust or chemical fumes
  • Occupational exposure to lung irritants

Chronic bronchitis develops after long-term irritation of the airways, most commonly from cigarette smoking.

Learn More

Bronchitis – NIH MedlinePlus
https://medlineplus.gov/bronchitis.html

Learn about the causes of bronchitis and ways to reduce your risk.

What Can Make Bronchitis Worse?

Several factors increase the risk of developing bronchitis or experiencing more severe symptoms.

Common risk factors include:

  • Smoking or vaping
  • Exposure to secondhand smoke
  • Asthma
  • COPD
  • Weakened immune system
  • Older age
  • Exposure to dust, chemicals, or air pollution
  • Frequent respiratory infections

Learn More

Bronchitis – NIH MedlinePlus
https://medlineplus.gov/bronchitis.html

Provides information about bronchitis risk factors and prevention.

Prevention

Many cases of bronchitis can be prevented by reducing exposure to respiratory viruses and avoiding lung irritants.

Helpful prevention tips include:

  • Do not smoke or vape.
  • Avoid secondhand smoke.
  • Wash your hands frequently.
  • Stay up to date on influenza, COVID-19, and pneumococcal vaccinations when recommended.
  • Avoid close contact with people who are sick.
  • Wear appropriate respiratory protection when exposed to dust or chemicals.
  • Maintain a healthy lifestyle to support your immune system.

Learn More

Centers for Disease Control and Prevention (CDC)
https://www.cdc.gov/acute-bronchitis/

Provides practical recommendations for preventing bronchitis and reducing respiratory infections.

Labs

Most people with acute bronchitis do not require laboratory testing.

Laboratory tests may include:

  • Complete Blood Count (CBC): May help evaluate infection or inflammation.
  • COVID-19 Test
  • Influenza Test
  • Respiratory Syncytial Virus (RSV) Test
  • Sputum Culture: May be recommended if bacterial pneumonia or another bacterial infection is suspected.

Learn More

Laboratory Tests – NIH MedlinePlus
https://medlineplus.gov/lab-tests/

Provides information about laboratory testing used to evaluate respiratory illnesses.

Diagnostics

Additional testing depends on your symptoms and medical history.

Common diagnostic tests include:

  • Chest X-ray: Helps rule out pneumonia or other lung conditions.
  • Pulse Oximetry: Measures oxygen levels in the blood.
  • Pulmonary Function Tests (Spirometry): May be recommended if asthma or COPD is suspected.
  • Chest CT Scan: Occasionally recommended when other lung conditions are suspected.

Learn More

American Lung Association

https://www.lung.org/

Provides patient education about bronchitis, lung function testing, and respiratory health.

Treatment & Management

Treatment Options

Treatment depends on whether bronchitis is caused by a virus, bacteria, or chronic lung disease.

Treatment options may include:

  • Rest
  • Increased fluid intake
  • Humidified air
  • Cough medications
  • Bronchodilator inhalers for wheezing
  • Corticosteroids in selected cases
  • Antibiotics only when a bacterial infection is confirmed or strongly suspected
  • Smoking cessation

Learn More

Bronchitis – Centers for Disease Control and Prevention (CDC)

https://www.cdc.gov/acute-bronchitis/

Provides information about bronchitis treatment and appropriate antibiotic use.

Lifestyle Changes

Healthy habits can improve recovery and reduce future episodes of bronchitis.

Helpful lifestyle changes include:

  • Stop smoking and avoid vaping.
  • Avoid secondhand smoke.
  • Drink plenty of fluids.
  • Get adequate rest.
  • Wash your hands frequently.
  • Stay up to date on influenza, COVID-19, and pneumococcal vaccinations when recommended.
  • Wear appropriate respiratory protection if exposed to dust or chemicals.
  • Stay physically active as tolerated.

Learn More

American Lung Association

https://www.lung.org/

Provides practical recommendations for improving lung health and preventing bronchitis.

Medications

Treatment depends on your symptoms and the cause of your bronchitis.

Common medications may include:

  • Acetaminophen: Helps reduce fever and relieve discomfort.
  • Ibuprofen or Naproxen: Help reduce pain, inflammation, and fever (when appropriate).
  • Cough Suppressants: May help relieve troublesome coughing.
  • Expectorants (such as guaifenesin): Help loosen mucus.
  • Bronchodilator Inhalers (such as albuterol): May help relieve wheezing and improve breathing.
  • Inhaled Corticosteroids: May be recommended for some people with chronic bronchitis or COPD.
  • Antibiotics: Only prescribed when a bacterial infection is confirmed or strongly suspected.

Learn More

Bronchitis – NIH MedlinePlus

https://medlineplus.gov/bronchitis.html

Provides information about medications used to treat bronchitis and symptom management.

Procedures

Most people with bronchitis do not require surgery or invasive procedures. Treatment usually focuses on relieving symptoms while the inflammation improves. However, certain procedures and additional testing may be recommended if symptoms are severe, persistent, or another lung condition is suspected.

Common procedures may include:

  • Chest X-ray: Helps rule out pneumonia or other lung conditions that can cause similar symptoms.
  • Pulse Oximetry: A painless test that measures oxygen levels in your blood using a sensor placed on your finger.
  • Pulmonary Function Tests (Spirometry): Measures how well your lungs are working and may help diagnose asthma or chronic obstructive pulmonary disease (COPD).
  • Sputum Testing: A sample of mucus may be examined to identify bacterial infections or other causes of persistent cough.
  • Bronchoscopy: Rarely performed but may be recommended if your healthcare provider suspects another lung condition, airway blockage, or chronic infection.

Learn More

Bronchitis – NIH MedlinePlus
https://medlineplus.gov/bronchitis.html

Learn about bronchitis, diagnostic testing, and treatment options.

What Should You Expect Long-Term?

Most people with acute bronchitis recover completely within 1–3 weeks, although the cough may last up to 4 weeks as the airways continue to heal.

People with chronic bronchitis may have ongoing symptoms that require long-term management. Smoking cessation, avoiding lung irritants, and following your treatment plan can help slow disease progression and improve quality of life.

If your cough lasts longer than expected or frequently returns, your healthcare provider may recommend additional evaluation to look for asthma, COPD, acid reflux (GERD), allergies, or other underlying conditions.

What Can You Do At Home?

Home care can help relieve symptoms and support recovery.

Helpful tips include:

  • Get plenty of rest.
  • Drink plenty of fluids to help thin mucus.
  • Use a cool-mist humidifier if the air is dry.
  • Avoid smoking, vaping, and secondhand smoke.
  • Take medications exactly as directed.
  • Wash your hands frequently to reduce the spread of respiratory infections.
  • Cover coughs and sneezes.
  • Stay home if you have a contagious respiratory illness.

Learn More

American Lung Association
https://www.lung.org/

Provides practical recommendations for managing bronchitis and improving lung health.

Frequently Asked Questions

Do antibiotics treat bronchitis?

Usually not. Most cases of acute bronchitis are caused by viruses, and antibiotics do not work against viral infections. Antibiotics are only recommended when a bacterial infection is confirmed or h4ly suspected.

How long will my cough last?

Many people continue coughing for

2–4 weeks

after developing acute bronchitis. This is a normal part of the healing process for many patients.

Is bronchitis contagious?

Acute bronchitis caused by viruses can be contagious because the virus spreads from person to person. Chronic bronchitis itself is not contagious.

Can bronchitis turn into pneumonia?

Bronchitis does not usually turn into pneumonia, but pneumonia can develop as a complication, particularly in older adults, smokers, or people with weakened immune systems.

Can I exercise while recovering?

Light activity may be appropriate as symptoms improve, but strenuous exercise should be avoided until your fever has resolved and your breathing has returned to normal.

Questions To Ask Your Provider

Consider asking your healthcare provider:

  • Is my bronchitis caused by a virus or bacteria?
  • Do I need antibiotics?
  • Should I use an inhaler?
  • Could I have asthma or COPD?
  • When should I return if my symptoms do not improve?
  • What symptoms should prompt emergency medical care?
  • What can I do to reduce my risk of getting bronchitis again?

Specialist Referrals

Most cases of bronchitis are treated by a primary care provider. Depending on your symptoms or medical history, your provider may recommend seeing a specialist.

You may be referred to:

  • Primary Care Provider: Coordinates diagnosis, treatment, and follow-up care.
  • Pulmonologist: Evaluates chronic bronchitis, persistent cough, COPD, asthma, or other lung diseases.
  • Respiratory Therapist: Provides breathing treatments, inhaler education, and pulmonary rehabilitation.
  • Infectious Disease Specialist: Evaluates severe, recurrent, or unusual respiratory infections.

Learn More

American Lung Association
https://www.lung.org/

Provides patient education about bronchitis, chronic lung disease, and specialty care.

Is Bronchitis Curable?

Acute bronchitis is usually temporary and resolves completely with supportive care and time.

Chronic bronchitis is not curable, but it can be effectively managed with medications, smoking cessation, pulmonary rehabilitation, and healthy lifestyle changes. Early treatment helps reduce symptoms and slow disease progression.

Emergency Symptoms / When To Seek Immediate Help

Call 911 or seek emergency medical care immediately if you experience:

  • Difficulty breathing or severe shortness of breath
  • Chest pain
  • Blue lips or fingertips
  • Confusion or difficulty staying awake
  • Loss of consciousness

Seek prompt medical evaluation if you notice:

  • Fever lasting more than several days
  • Cough lasting longer than 3–4 weeks
  • Coughing up blood
  • Wheezing that worsens
  • Symptoms that continue to worsen instead of improving

Learn More

Bronchitis – NIH MedlinePlus
https://medlineplus.gov/bronchitis.html

Learn about bronchitis complications and when emergency medical care is needed.

CALL 911

APNS does not provide emergency medical services. If you believe you are experiencing a medical emergency, including (but not limited to) chest pain, difficulty breathing, stroke symptoms, severe allergic reactions, anaphylaxis, uncontrolled bleeding, seizures, loss of consciousness, or any other potentially life-threatening condition, you are instructed to call 911 immediately or go immediately to the nearest emergency department.

Official Resources / External Links

Bronchitis – NIH MedlinePlus
https://medlineplus.gov/bronchitis.html

Easy-to-understand information about bronchitis, symptoms, diagnosis, treatment, and prevention.

Bronchitis – Centers for Disease Control and Prevention (CDC)
https://www.cdc.gov/acute-bronchitis/

Comprehensive information about acute bronchitis, causes, treatment, and prevention.

American Lung Association
https://www.lung.org/

Reliable patient education about bronchitis, COPD, chronic cough, and maintaining healthy lungs.

American Thoracic Society
https://www.thoracic.org/patients/

Trusted patient education about lung diseases, breathing disorders, and respiratory health.

This guide is intended for educational purposes only and should not replace medical advice, diagnosis, or treatment from your healthcare provider. Always follow the recommendations of your healthcare team regarding your individual health needs. Contact your healthcare provider if your symptoms worsen, do not improve as expected, or new symptoms develop. Call 911 immediately if you experience difficulty breathing, chest pain, blue lips, loss of consciousness, or another medical emergency.

Get personalized care for Bronchitis

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