There are many causes of pleural effusion, and some people have more than one. Depending on the cause, the excess fluid may be either protein-poor (transudative) or protein-rich (exudative).

Aug 21, 2025 · What Causes Pleural Effusion? More than 50 different medical conditions can cause pleural effusion. But the most common causes are heart failure, cirrhosis (liver disease), …

The most common causes of transudative pleural effusion in the United States are heart failure and cirrhosis. Nephrotic syndrome, leading to the loss of large amounts of albumin in urine …

What causes pleural effusion? Pleural effusion often develops due to an underlying health condition. It’s classified into two main types, transudative and exudative, based on what …

In general, pleural effusions can be divided into transudates (caused by fluid leaking from blood vessels) and exudates (where fluid leaks from inflammation of the pleura and lung). The most …

Jun 18, 2025 · When pleurisy is caused by a bacterial lung infection, it can be associated with a pus-filled pleural effusion (called an empyema). Viral lung infections, especially epidemic …

Congestive heart failure is the most common cause of transudative pleural effusions, while infection (pneumonia) and malignancy are the most common causes of exudative pleural …

Aug 19, 2024 · There are two types of pleural effusion: Transudative pleural effusion is caused by fluid leaking into the pleural space. This is from increased pressure in the blood vessels or a …

Pneumonia, cancer, and viral infections are common causes of pleural effusion with an exudative fluid. Blood in the pleural space (hemothorax) usually results from a chest injury.

Exudative effusion occurs when blood or lymph vessels are blocked because inflammation, infection or injury has led to drainage problems or excess fluid production. Causes of pleural …