https://www.webmd.com/lung/copd/copd-chronic-bronchitis
Chronic Bronchitis: Symptoms, Causes, Diagnosis, Treatment
Your constant coughing, wheezing, and shortness of breath could be a sign of a serious illness called chronic bronchitis. Learn more about symptoms, causes,...
chronic bronchitissymptomscausesdiagnosistreatment
https://www.medicinenet.com/chronic_bronchitis/article.htm
Chronic Bronchitis Causes, Symptoms, Contagious, Treatment
Chronic bronchitis is different from acute bronchitis in that it involves a cough that lasts for at least 3 months, 2 years in a row. Learn the causes,...
chronic bronchitiscausessymptomscontagioustreatment
https://www.webmd.com/lung/understanding-bronchitis-basics
Bronchitis (Acute and Chronic): Symptoms, Causes & Treatment
Bronchitis is inflammation of the lining of your lungs. Learn more about the symptoms, causes, diagnosis, treatment, and prevention of bronchitis.
bronchitisacutechronicsymptomscauses