What is a COPD exacerbation and what are the main causes? Learn about what the symptoms are and what is suggested to try to prevent COPD. Most commonly referred to as COPD, the term describes emphysema and chronic bronchitis. COPD also includes bronchiectasis and, in some patients, asthma. COPD gets worse as it progresses and, in late stages, a person may experience extreme breathlessness at all times, even when they are sitting still. COPD often goes undiagnosed and can be life-threatening if not properly treated.

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