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What Are the Causes of Pain When Breathing?

by
author image Alex Folkl
Alex Folkl has been writing for more than eight years and has had work appear in several peer-reviewed and non-peer-reviewed scientific publications. He has a bachelor's degree in biology, a master's degree in pathobiology, and an MD.
What Are the Causes of Pain When Breathing?
What Are the Causes of Pain When Breathing? Photo Credit creo77/iStock/Getty Images

Pain provoked by breathing occurs with a variety of conditions that range in severity from transient, mild medical problems to potentially life-threatening illnesses. Chest discomfort triggered or aggravated by forceful breathing, coughing or straining is known as pleuritic chest pain. Common causes include chest injury, infection, a lung blood clot and inflammation of the sac surrounding the heart. Cancer affecting the lungs, autoimmune diseases and certain abdominal conditions are less frequent culprits. Although pleuritic chest pain may not indicate a serious problem, prompt medical evaluation is necessary to determine the underlying cause and appropriate treatment.

Chest Wall Injury and Pneumothorax

Pain associated with breathing may arise with an injury to the chest wall. Movement of the chest that occurs with breathing typically provokes or worsens pain caused by a broken rib, a pulled chest muscle or a chest wall bruise. In most cases, this causes one-sided chest pain. Less commonly, a lung may be punctured from a penetrating chest injury, like a stab wound, or fragments of a broken rib. This can lead to air leakage from the lung into the chest cavity, a condition called pneumothorax. Pain with breathing is a common symptom of pneumothorax, along with shortness of breath. Pneumothorax can also occur without a precipitating injury, leading to the same symptoms. This most frequently occurs in people with preexisting lung disease, such as asthma, cystic fibrosis and chronic obstructive pulmonary disease (COPD).

Lung Infection

Pleuritic chest pain often accompanies pneumonia, an infection of the lungs. Common causes of bacterial pneumonia include pneumococcus, Mycoplasma pneumoniae and Chlamydia pneumoniae. Viruses can also cause pneumonia, including the influenza and respiratory syncytial virus. When the infection responsible for pneumonia approaches the lung surface, it typically inflames the pleura -- the tissue that encases the lungs and lines the chest wall. This inflammation triggers pain with breathing. Other frequent pneumonia symptoms include fever, chills, cough and shortness of breath.

A lung abscess -- a pocket of infection and pus -- near the lung surface can also cause pleuritic chest pain, usually on one side of the chest. This might occur due to accidental inhalation of saliva or stomach contents, or bacterial seeding of the lung in people with an infected heart valve. Tuberculosis also commonly causes lung abscesses.

Pulmonary Embolism

A blood clot in the lungs, called a pulmonary embolism (PE), is a serious cause of pain when breathing. A PE typically occurs when a blood clot that has formed in a deep vein of the body -- usually in the legs or pelvis -- breaks free and lodges in one or more lung blood vessels. Depending on the size and location of the clot or clots in the lungs, PE can lead to shock and rapidly prove fatal if not treated immediately. In addition to pleuritic chest pain, common symptoms of a PE include:
-- sudden shortness of breath
-- new cough, which may involve expulsion of bloody phlegm
-- rapid heart and breathing rate
-- lightheadedness, dizziness, fainting or loss of consciousness
-- low fever

People with a PE might also have signs and symptoms of a clot in a deep leg or pelvic vein, including:
-- swelling of one or both legs
-- redness of the affected leg
-- pain or tenderness in the calf or behind the knee

Pericarditis

A thin layer of tissue called the pericardium surrounds the heart. The pericardium abuts the pleura. Conditions that cause inflammation of the pericardium -- called pericarditis -- can lead to pain with breathing. Pleuritic chest pain due to pericarditis most frequently occurs in the middle of the chest, beneath the breastbone, or slightly to the left of this area. Several conditions can cause pericarditis, but a viral infection is most commonly to blame. Bacterial infections, rare drug reactions and radiation therapy to the chest represent some of the less common causes of pericarditis. Additionally, although pericarditis is not a typical short-term symptom of a heart attack, it may develop in the following days to weeks as damaged heart tissue triggers an inflammatory response that may affect the pericardium.

Other Causes

Cancer originating in the lungs or that has spread to the lungs from another organ -- such as the breast, colon or prostate -- might cause pleuritic chest pain if the cancer is located at the surface of the lung and involves the pleura. Cancer arising from the lung most frequently develops in older adults who smoke or used to smoke. Other symptoms of cancer in the lungs may include shortness of breath, weight loss, and a new or different cough.

Autoimmune conditions are uncommon causes of pain with breathing. This occurs only if the lungs are affected by the disease. Examples include rheumatoid arthritis, systemic lupus erythematosus and Sjogren syndrome. Typical symptoms of these conditions usually occur along with pleuritic chest pain, which helps point to the underlying cause. With autoimmune conditions, pleuritic chest pain typically develops over days to weeks rather than suddenly.

When other more common causes of pleuritic chest pain have been ruled out, doctors must consider the possibility of an abdominal condition. Those that might inflame the diaphragm -- the muscle that separates the chest and abdominal cavities, and moves up and down with breathing -- are most likely to trigger breathing-related pain. Possible considerations include Crohn disease, infection of the liver or abdominal cavity, and inflammation of the pancreas.

Warnings and Precautions

All unexplained pain associated with breathing requires prompt evaluation by a medical professional. When accompanied by warning signs and symptoms that might indicate a potentially life-threatening condition, emergency medical care is necessary. These warning signs and symptoms include:
-- fever, chills or clammy skin
-- dizziness, fainting or loss of consiousness
-- agitation, anxiety or confusion
-- shortness of breath or a racing heartbeat
-- swelling in one or both legs
-- coughing up blood
-- chest pain that radiates to the shoulder, neck, back or jaw or abdomen, or increases with exertion


Reviewed and revised by: Tina M. St. John, M.D.

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