Sarcoidosis is a disease that causes inflammation in organs throughout the body. It forms small round spots, called granulomas, in various organs or tissue. The most common locations are the lungs and lymph nodes. The spots can make it difficult for the organs to work normally.
Inflammation is a normal part of how the body acts toward an infection or injury. However, the inflammation should pass once the area has healed. With sarcoidosis the inflammation does not pass. The cells that cause the inflammation stay and cause granulomas. It is not clear why this happens. An infection or exposure to a toxin in the environment may trigger the change.
Sarcoidosis is more common in females and at ages 20 to 40 years old. Factors that may increase the chance of sarcoidosis include:
There are few symptoms in early stages. Symptoms will depend on what organs are affected. Symptoms may come and go.
Many will feel like they have a flu-like symptoms like:
Lungs are often affected and can cause:
Other possible symptoms may include:
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The doctor will ask about your symptoms and medical history. A physical exam will be done including listening to the heart and lungs and checking lymph nodes. Tests that may help find sarcoidosis signs or rule out other causes include:
There is no specific test that confirms sarcoidosis. Instead, diagnosis is based on:
Other tests may be done to see how well the affected organs are working. Tests may be done even if there are no symptoms and may include:
Not all sarcoidosis needs to be treated. Many will only have minor symptoms and the sarcoidosis will pass on its own. The doctor will monitor for any changes including regular eye exams and lung tests.
Treatment may be needed to ease more serious symptoms. It can also help to decrease the chance of permanent problems. Treatment may include:
Medication may help to manage the inflammation and decrease damage. Options include:
Pulmonary rehabilitation may help to improve lung function.
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Explore sarcoidosis. National Heart, Lung, and Blood Institute website. Available at: http://www.nhlbi.nih.gov/health/health-topics/topics/sarc. Updated June 14, 2013. Accessed May 13, 2016.
Sarcoidosis. American Lung Association website. Available at: http://www.lung.org/lung-disease/sarcoidosis. Accessed May 13, 2016.
Sarcoidosis in adults. EBSCO DynaMed Plus website. Available at: http://www.dynamed.com/topics/dmp~AN~T116787/Sarcoidosis-in-adults. Updated June 2, 2016. Accessed September 23, 2016.
Sarcoidosis in children. EBSCO DynaMed Plus website. Available at: http://www.dynamed.com/topics/dmp~AN~T316439/Sarcoidosis-in-children. Updated January 28, 2011. Accessed May 13, 2016.
6/14/2016 DynaMed's Systematic Literature Surveillance http://www.dynamed.com/topics/dmp~AN~T116787/Sarcoidosis-in-adults: Soto-Gomez N, Peters JI, Nambiar AM. Diagnosis and management of sarcoidosis. Am Fam Physician. 2016;93(10:840-848.
Last reviewed August 2017 by Michael Woods, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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