Symplicured

Respiratory

Pneumothorax

Also known as: Pneumothorax (Collapsed Lung)

A pneumothorax occurs when air leaks into the space between the lung and chest wall, causing the lung to collapse partially or completely. It causes sudden chest pain and breathlessness.

Understanding Pneumothorax

Primary spontaneous pneumothorax typically occurs in tall, thin young men aged 15-30 without obvious lung disease. It results from rupture of small air-filled blebs on the lung surface.

Secondary pneumothorax occurs in patients with underlying lung disease (COPD, asthma, pneumonia) and is generally more dangerous.

Tension pneumothorax is a life-threatening emergency where trapped air progressively compresses the heart and opposite lung, requiring immediate needle decompression.

Common Symptoms

People with Pneumothorax often experience the following symptoms.

Sudden Pleuritic Chest Pain

Sharp, one-sided chest pain that worsens with breathing, often starting at rest.

Dyspnoea

Breathlessness ranging from mild to severe depending on the size of the pneumothorax.

Tachycardia

Rapid heart rate as a compensatory response to compromised lung function.

Reduced Breath Sounds

On auscultation, breath sounds are diminished or absent on the affected side.

Risk Factors

Certain factors may increase your likelihood of developing Pneumothorax.

Tall, thin young males

Smoking

COPD or lung disease

Previous pneumothorax

Treatment Options

Common approaches to managing pneumothorax. Always consult a healthcare provider for personalized treatment.

Observation

Small, stable pneumothoraces in otherwise healthy patients may resolve with rest and monitoring.

Needle Aspiration

Insertion of a needle to remove trapped air, often sufficient for first-episode primary pneumothorax.

Chest Drain (Tube Thoracostomy)

Insertion of a tube connected to underwater seal to continuously drain air for larger or persistent pneumothoraces.

Surgery (VATS Pleurodesis)

Video-assisted thoracoscopic surgery to seal the air leak and prevent recurrence, especially after second episode.

How It's Diagnosed

Chest X-ray showing lung edge separated from chest wall. CT scan for small pneumothoraces or to plan surgery. Ultrasound for bedside detection in emergency settings.

When to See a Doctor

Seek emergency care for sudden sharp chest pain with breathing difficulty. Tension pneumothorax (progressive breathlessness, low blood pressure, deviated trachea) is immediately life-threatening.

Prevention Strategies

Steps that may help reduce the risk of developing or worsening pneumothorax.

Stop smoking (reduces recurrence by 40%)

Avoid scuba diving and unpressurised flight after pneumothorax

Consider surgical pleurodesis after second episode

Avoid extreme altitude changes

Potential Complications

If left untreated or poorly managed, pneumothorax may lead to:

  • Tension pneumothorax (life-threatening)
  • Recurrence (30-50% risk after first episode)
  • Persistent air leak
  • Haemopneumothorax (blood and air)

Frequently Asked Questions

Can a collapsed lung heal on its own?

Small pneumothoraces can resolve with rest. Larger ones require intervention to remove trapped air.

Will it happen again?

Recurrence risk is 30-50% after a first episode. Surgical pleurodesis after a second episode reduces this to under 5%.

Can I fly after a pneumothorax?

Wait at least 2 weeks after confirmed resolution. Cabin pressure changes can trigger recurrence.

Think you might have Pneumothorax?

Get a personalized AI-powered symptom assessment in under 3 minutes. Free, private, and available in 15+ languages.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.

Pneumothorax (Collapsed Lung) — Symptoms, Causes & Treatment | Symplicured | Symplicured