Published on Nov 07, 2023 | 4:12 PM
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Acute bronchitis is a short-term inflammation of the bronchial tubes, the airways that carry air to and from the lungs. It most commonly develops after a viral respiratory infection, such as a cold or the flu, and typically lasts a few weeks.
Acute bronchitis is different from chronic bronchitis. Acute bronchitis is temporary and usually resolves on its own, while chronic bronchitis is a long-term condition often associated with smoking or chronic lung disease.
The hallmark symptom of acute bronchitis is a persistent cough that may last several weeks, even after other symptoms improve.
Common symptoms include:
Cough, with or without mucus
Chest discomfort or tightness
Fatigue
Shortness of breath, especially with activity
Mild fever or chills
Sore throat or nasal congestion (early in the illness)
Mucus may be clear, yellow, or green and does not necessarily indicate a bacterial infection.
Acute bronchitis is most often caused by viruses. Bacterial causes are uncommon.
Irritants such as smoke, air pollution, dust, or chemical fumes can worsen symptoms or increase susceptibility. Antibiotics are not usually effective for acute bronchitis because most cases are viral.
Acute bronchitis is typically diagnosed based on symptoms and clinical evaluation. Imaging or laboratory tests are usually not needed unless there is concern for pneumonia or another condition.
A healthcare provider may consider additional testing if symptoms are severe, prolonged, or accompanied by high fever or breathing difficulty.
Treatment focuses on symptom relief and supportive care.
Most people improve with rest, hydration, and cough management. Over-the-counter medications may help relieve cough or chest discomfort. In some cases, inhalers may be recommended if wheezing or airway irritation is present.
Antibiotics are generally not recommended unless there is strong evidence of a bacterial infection.
Most cases of acute bronchitis resolve without complications. However, the cough may persist for several weeks as the airways heal.
Worsening symptoms, high fever, or shortness of breath may indicate a more serious condition such as pneumonia and should be evaluated promptly.
Medical care is recommended if symptoms last longer than expected, worsen, or interfere with daily activities. Urgent evaluation is needed for difficulty breathing, chest pain, high fever, coughing up blood, or symptoms in individuals with underlying lung disease.
Call-On-Doc offers convenient, reliable care for acute bronchitis through telehealth.
With a virtual visit, you can discuss symptoms with a licensed provider, receive guidance on symptom management, and determine whether further evaluation or treatment is needed — without an in-person clinic visit.
Healthcare that fits your life — not your calendar.
English graduate and Call-On-Doc’s medical resource guide, Wayne C. Hahne is an experienced and passionate medical education content expert. Through diligent research, provider interviews and utilizing the industry's leading resources for wellness information, it is Mr. Hahne’s personal mission to educate the general public on medical conditions with in-depth and easy-to-understand written guides. updated 1/27/2026 Shelly House, FNP, is a Family Nurse Practitioner and Call-On-Doc’s trusted medical education voice. With extensive experience in telehealth and patient-centered care, Ms. House is dedicated to making complex health topics simple and accessible. Through evidence-based content, provider collaboration, and a passion for empowering patients, her mission is to break down barriers to healthcare by delivering clear, compassionate, and practical medical guidance.
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