There are many life taking symptoms of COPD but you should be careful from the following- 

·         Chronic cough.

·         Shortness of breath while doing everyday activities (dyspnea)

·         Blueness of the lips or fingernail beds (cyanosis)

·         Fatigue.

·         Producing a lot of mucus (also called phlegm or sputum)

·         Wheezing and for more information visit:https://www.resmed.co.in/healthcare-professionals/diagnosis-and-treatment/respiratory-care/copd/what-is-copd