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 individual may experience symptoms differently. The symptoms of acute bronchitis may resemble other conditions or medical problems. Consult your physician for a diagnosis. Acute bronchitis is usually diagnosed by completing a medical history and physical examination.