What causes pleurisy?

Pleurisy is an uncomfortable disease that is usually caused by inflammation of the pleura (the membrane that covers the lungs and the lining of the chest cavity). This problem may sound a bit complicated, but its cause is actually not difficult to understand. We can think of the pleura as a "plastic wrap" that protects the lungs. Once this "plastic wrap" is infected or injured, it will cause inflammation.

One of the main causes of pleurisy is infection, especially viral or bacterial. When we have a cold or pneumonia, pathogens may invade the pleura, triggering an inflammatory response. It's like a small war as the immune system fights off the invader, and this response can lead to inflammation of the pleura. Tuberculosis is also a major cause of pleurisy, especially in some areas where it is still a common health problem.

In addition to infection, pleurisy may also be caused by other factors, such as autoimmune diseases. Diseases such as systemic lupus erythematosus or rheumatoid arthritis can cause the body's immune system to mistakenly attack its own tissues, including the pleura. Just like a soldier who mistakenly enters the enemy camp, the body's defense mechanism causes damage to itself. Chest trauma, heart disease, tumors, etc. may also be triggers. These conditions may cause direct damage to the pleura or indirect effects, causing inflammation.

Sometimes, pleurisy may be caused by a drug reaction. Some drugs can cause allergic or toxic reactions in the pleura, just like an allergic reaction to an inappropriate food. In this case, it is usually necessary to stop or change the drug to relieve the symptoms.

Understanding the causes of pleurisy can help us better prevent and manage this disease in our daily lives. If you have symptoms such as chest pain, difficulty breathing or persistent cough, it is recommended to see a doctor in time for detailed examination and treatment. The doctor will take appropriate treatment measures according to the specific situation, such as antibiotic treatment, anti-inflammatory drugs or other targeted treatment plans. By understanding these causes, we can better protect our health and avoid unnecessary troubles.