[header] How to diagnose copd [title] See your doctor. [step] The best way to fight copd is to see your doctor before symptoms arise. This is because symptoms of copd often don't appear until significant lung damage has already occurred. 
The best course of action is to seek medical care if you are a long-term smoker or in a high risk group. [substeps] Copd symptoms are often ignored because they start gradually and progress over time.