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Asthma

National Library of Medicine - MedlinePlus Health Topic

What is asthma? Asthma is a chronic (long-term) lung disease. It affects your airways, the tubes that carry air in and out of your lungs. When you have asthma, your airways can become inflamed and narrowed. This can cause wheezing, coughing, and tightness in your chest. When these symptoms get worse than usual, it is called an asthma attack or flare-up. What causes asthma? The exact cause of... https://medlineplus.gov/asthma.html

Chronic Bronchitis

National Library of Medicine - MedlinePlus Health Topic

What is chronic bronchitis? Chronic bronchitis is a type of COPD (chronic obstructive pulmonary disease). COPD is a group of lung diseases that make it hard to breathe and get worse over time. The other main type of COPD is emphysema. Most people with COPD have both emphysema and chronic bronchitis, but how severe each type is can be different from person to person. Chronic bronchitis is... https://medlineplus.gov/chronicbronchitis.html

MedlinePlus matched the above topic(s) to ICD-9-CM 493.22. ICD-9-CM stands for the International Classification of Diseases, 9th edition.

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