Learn about the signs and symptoms of acute and chronic bronchitis , such as cough, fever, phlegm, and chest discomfort. Find out how to distinguish bronchitis from other conditions and when to see a doctor. Bronchitis is the inflammation of the bronchial tubes that carry air into and from the lungs. Learn about the types, signs, complications, and treatment options of acute and chronic bronchitis from Apollo Pulmonologist. Learn about the common and unusual symptoms of acute and chronic bronchitis , the difference between the two types, and when to seek medical care. Find out how bronchitis affects your lungs, airways, and overall health. Acute bronchitis causes coughs that produce mucus. You don't need antibiotics, but bed rest and home care can help.