Acute bronchitis is usually caused by infectious agents such as bacteria or viruses. Acute bronchitis is usually a mild, and self-limiting condition, with complete healing and return to function. Acute bronchitis may follow the common cold or other viral infections in the upper respiratory tract. It may also occur in people with chronic sinusitis, allergies, or those with enlarged tonsils and adenoids. It can be serious in people with pulmonary or cardiac diseases.
Pneumonia is a complication that can follow bronchitis.
The following are the most common symptoms for acute bronchitis, however, each person may have different symptoms. The symptoms of acute bronchitis may resemble other conditions or medical problems. Consult your physician for a diagnosis. This information is not intended to be a substitute for individual medical advice in diagnosing or treating a health problem. Please consult with your health care provider about your health care concerns.