Pleurisy, also known as pleuritis, is inflammation of the membranes that surround the lungs and line the chest cavity (pleurae). [1] This can result in a sharp chest pain while breathing. [1] Occasionally the pain may be a constant dull ache. [5] Other symptoms may include shortness of breath, cough, fever, or weight loss, depending on the underlying cause. [5] Pleurisy can be caused by a variety of conditions, including viral or bacterial infections, autoimmune disorders, and pulmonary ... Pleurisy is inflammation of the membranes that surround the lungs and line the chest cavity, causing sharp chest pain while breathing. It can be caused by various conditions, such as viral or bacterial infections, autoimmune disorders, or pulmonary embolism. Pleurisy [also known as pleuritis] refers to the inflammation of the pleura — the thin membranes surrounding the lungs and lining the chest cavity. When you have a swollen pleura, they rub against each other — as opposed to gliding smoothly (in its normal state) — when you breathe and cause your lungs to swell. The pleura is double-layered. The visceral pleura covers the lungs surface while the parietal pleura line the chest wall and diaphragm. The space between them contains a small ... Pleurisy is inflammation of the pleura, or the tissue that lines your lungs and chest. It causes sharp chest pain that worsens with breathing or coughing.