Pneumonia shows up on a chest X-ray, but acute bronchitis usually does not. Most cases of acute bronchitis are caused by viruses, although the condition also can be caused by bacteria.
How do doctors test for bronchitis?
To diagnose bronchitis, your doctor will do a physical exam and ask about your medical history and symptoms. The doctor may also order a blood test to look for signs of infection or a chest X-ray to see if your lungs and bronchial tubes look normal and rule out pneumonia.
What are 3 symptoms of bronchitis?
For either acute bronchitis or chronic bronchitis, signs and symptoms may include:
- Cough.
- Production of mucus (sputum), which can be clear, white, yellowish-gray or green in color — rarely, it may be streaked with blood.
- Fatigue.
- Shortness of breath.
- Slight fever and chills.
- Chest discomfort.
