Acute inflammation of the pleura.
The most common cause of pleurisy is infection, related to an underlying bacterial or viral pneumonia. Pleurisy can also be a feature of pulmonary embolism, pulmonary infarction, malignancy and connective tissue diseases such as rheumatoid arthritis.
Sharp, well-localised pain, worse on inspiration or coughing, and a pleural rub heard on auscultation. There may be an associated pleural effusion.
Fibrinous exudate is seen over the pleural surfaces and there is variable exudation of fluid.
Aimed at identification and treatment of the underlying cause. Nonsteroidal anti-inflammatory drugs and paracetamol are used for analgesia.