The pleura are two thin, moist membranes around the lungs. The inner layer is attached to the lungs. The outer layer is attached to the ribs. Pleural effusion is the buildup of excess fluid in the space between the pleura. The fluid can prevent the lungs from fully opening. This can make it difficult to catch your breath.
Pleural effusion may be transudative or exudative based on the cause. Treatment of pleural effusion depends on the condition causing the effusion.
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Effusion is usually caused by disease or injury.
Transudative effusion may be caused by:
Exudative effusion may be caused by:
Last reviewedJune 2013by Brian Randall, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.