Diseases, Conditions and Tests

The RxList disease and condition listing contains explanations of many medical conditions and tests. Disease articles are written by U.S. Board Certified Physicians. To use the listing, browse the terms by selecting a letter.

Diseases, Conditions and Tests by Letter

Featured: COPD (Chronic Obstructive Pulmonary Disease)

COPD COPD is a slowly progressive obstruction of airflow into or out of the lungs. The primary cause of COPD is cigarette smoking and/or exposure to tobacco smoke; other causes include air pollution, infectious diseases and genetic problems.

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Explanations of Diseases, Conditions, and Tests

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