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Insight Horizon Media

What are the 5 stages of COPD?

Author

Robert Miller

Published Mar 19, 2026

What are the 5 stages of COPD?

Diagnosis

  • Stage I: Mild COPD. Lung function is starting to decline but you may not notice it.
  • Stage II: Moderate COPD. Symptoms progress, with shortness of breath developing upon exertion.
  • Stage III: Severe COPD. Shortness of breath becomes worse and COPD exacerbations are common.
  • Stage IV: Very severe COPD.

What are the different stages of COPD?

What to Know About the Four Stages of COPD

  • Stage 1: Mild COPD.
  • Stage 2: Moderate COPD.
  • Stage 3: Severe COPD.
  • Stage 4: Very Severe COPD.
  • Early Detection and Smoking Cessation.
  • Get the treatment you need to slow the progression of COPD.

Are there 4 stages of COPD?

COPD used to be categorized from stage 1 to stage 4 depending on how much your lung function had decreased. Now, doctors combine the results of a lung function test with subjective measures of symptom severity to determine your COPD risk.

What stage of COPD is considered severe?

Stage 4 — Very Severe — FEV-1 ≤30%: You might have lung or heart failure. This can make it hard to catch your breath even when you’re resting. You might hear this called end-stage COPD.

How long does it take to go from Stage 3 to Stage 4 COPD?

stage 1: 0.3 years. stage 2: 2.2 years. stage 3 or 4: 5.8 years.

At what stage of COPD requires oxygen?

Supplemental oxygen is typically needed if you have end-stage COPD (stage 4). The use of any of these treatments is likely to increase significantly from stage 1 (mild COPD) to stage 4.

What are the symptoms of Stage 3 COPD?

What are the symptoms of stage 3 COPD?

  • extreme shortness of breath.
  • cough that brings up mucus.
  • wheezing when you breathe.
  • a tight feeling in your chest.
  • swelling in your ankles, feet, or legs.
  • weight loss.
  • loss of muscle strength.
  • fatigue.

At what stage of COPD do you need oxygen?

What is the life expectancy of someone with Stage 3 COPD?

Stage 1: 0.3 years. Stage 2: 2.2 years. Stage 3: 5.8 years.

What is endend-stage COPD?

End-Stage COPD (Stage 4): Symptoms, Treatments, Prognosis Stage IV Chronic Obstructive Pulmonary Disease (COPD) is classified as very severe and in advanced stages.

What are the signs and symptoms of Stage 2 COPD?

Stage 2 COPD Symptoms With stage 2 COPD, you will notice symptoms that are more noticeable and more persistent than they were at stage 1. You might also notice some new symptoms, like chronic breathlessness or difficulty coughing up mucous. Here are the symptoms characteristic of Stage 2 COPD:

What is the difference between Stage 3 and Stage 4 COPD?

As with stage 3, it gets harder to keep up with eating well and exercising, which boost your strength and energy levels. The more severe your COPD, the more likely you are to get infections. Spirometery: In Stage 4 COPD, the FEV 1 is less than 30%. You might still have advanced COPD if your FEV 1 is higher.

What stage of COPD do you have if you quit smoking?

Most people with COPD have a history of smoking. Quitting smoking and avoiding secondhand smoke are two of the most important things you can to improve the outlook of your disease. Your COPD is considered to be stage 2 when your FEV1 drops to 50 to 79 percent of your predicted value. During stage 2, your symptoms worsen from stage 1.