Health Library

The Health Library is a collection of health and wellness resources created for learning and accessibility. Select a topic below for related health information or search for a topic in the search bar for more information on other medical conditions.

Spanish Translation

Pleural effusion

Lung with fluid buildup in pleural space, with detail of pleural space and fluid buildup.

Pleural effusion is a buildup of fluid in the space between tissues lining the lungs and the chest wall. This area is called the pleural space. Because of the fluid buildup, the lungs may not be able to expand completely. This can make it hard to breathe.

Current as of: August 6, 2023

Author: Healthwise Staff
Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.