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What is Pneumothorax?

Air around or outside the lung. Pneumothorax may result from chest trauma, excess pressure on the lungs, or a lung disease such as COPD, asthma, cystic fibrosis, tuberculosis or whooping cough. In some cases, the cause is unclear. 



  • Sudden sharp chest pain made worse by a deep breath or a cough 
  • Shortness of breath 
  • Chest tightness 
  • Easy fatigue 
  • Rapid heart rate 
  • Bluish color of the skin caused by lack of oxygen 


There are decreased or no breath sounds on the affected side when heard through a stethoscope. Tests include: 

  • Chest X-ray to tell whether there is air outside the lung 
  • Arterial blood gases 


Small pneumothoraces may go away on their own. For larger pneumothoraces, the air must be removed from around the lung. A chest tube placed between the ribs into the space around the lungs helps drain the air and allows the lung to re-expand. Some people need extra oxygen to help air around the lung be reabsorbed more quickly. Surgery may be needed to prevent future episodes. 



Up to 50 percent of patients who have a pneumothorax will have another, but there are no long-term complications after successful treatment. 

Pneumothorax is diagnosed and treated by physicians, nurses and other clinical staff in the Divisions of  Neonatal-Perinatal Medicine  and Pulmonary and Cystic Fibrosis at Hopkins Children’s.