COPD may develop for years without any noticeable symptoms. It is generally diagnosed in the moderate stage. Few common symptoms include:

• Shortness of breath, which gradually gets worse
• Shortness of breath during physical activity
• Frequent coughing, with or without sputum
• Wheezing
• Noisy breathing
• Tightness in the chest
• Tiredness
• Frequent infections of the lungs
• Change in appetite
• Weight loss

Severe symptoms that need emergency medical attention include:

• Bluish or gray fingernails or lips
• Trouble catching the breath
• Inability to speak
• Confusion
• Fainting
• Increased heart beat
• Swelling in ankles, feet, and legs

Common symptoms and their severity as reported by people on Patientslikeme.

If uncontrolled, it may lead to complications such as:

• Acute exacerbation of COPD: Episodes of flared-up or severe symptoms of breathlessness, requiring immediate medical attention.
• Heart problems - COPD is known to increase the risk of heart disease.
• Respiratory infections such as pneumonia - patients of COPD are more susceptible to flu, cold and pneumonia.
• Lung cancer- People with COPD are at higher risk of developing lung cancer.
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