(HealthDay News) -- Bronchitis is inflammation of the bronchial tubes that carry air into your lungs.
When these tubes become infected, they swell and become lined with mucus, making it more difficult to breathe.
Symptoms may include cough, sore throat, fever, chest congestion and shortness of breath.
The American Academy of Family Physicians describes how to help treat bronchitis:
If symptoms don't improve, see a doctor.
