• Chronic Bronchitis - WebMD

    www.webmd.com/lung/chronic-bronchitis In chronic bronchitis, exposure to tobacco smoke and other lung irritants over time can lead to inflammation in the airways that deliver air into the lungs ...
  • Bronchitis - Mayo Clinic

    www.mayoclinic.org/diseases-conditions/bronchitis/basics/.../CON-20014956 Bronchitis — Comprehensive overview covers symptoms, causes, treatment of this potentially serious lung infection.
  • Chronic Bronchitis: Get Facts About Causes - MedicineNet

    www.medicinenet.com/chronic_bronchitis/article.htm Learn about acute chronic bronchitis symptoms such as chronic cough with sputum production, shortness of breath, and wheezing. Causes of chronic bronchitis include ...
    • Chronic Bronchitis: MedlinePlus - National Library of Medicine

      www.nlm.nih.gov/medlineplus/chronicbronchitis.html Bronchitis is an inflammation of the bronchial tubes, the airways that carry air to your lungs. It causes a cough that often brings up mucus, as well as ...
    • Chronic Bronchitis | Overview

      familydoctor.org/familydoctor/en/diseases-conditions/chronic-bronchitis.html What is chronic bronchitis? Bronchitis is an inflammation (or irritation) of the airways in the lungs. Airways are the tubes in your lungs that air passes through.
    • Chronic Bronchitis - PDR Health

      www.pdrhealth.com/diseases/chronic-bronchitis Basics. Chronic bronchitis is a long-term, often irreversible respiratory illness. Those with chronic bronchitis have a daily mucus-producing cough that persists for ...
    • What Is Bronchitis? - NHLBI, NIH

      www.nhlbi.nih.gov/health/health-topics/topics/brnchi What Is Bronchitis? Español; Bronchitis (bron-KI-tis) ... As a result, people who have chronic bronchitis have periods when symptoms get much worse than usual.