Approximately 1 million people in the world suffer from sarcoidosis. Learn who's at risk for developing this disease, its symptoms, and how it’s diagnosed and treated.


  • What is sarcoidosis?

    What is sarcoidosis?

    Sarcoidosis is a rare condition that produces clusters of inflammation, called granulomas, usually in the lungs. These granulomas may clear up on their own, or cause permanent scarring.

  • What causes sarcoidosis?

    What causes sarcoidosis?

    The cause of sarcoidosis is unknown. It occurs more often in Caucasians of European descent and in African-Americans than other groups.

  • How many people get sarcoidosis?

    How many people get sarcoidosis?

    About 10 to 40 out of every 100,000 people develop sarcoidosis, and 70 percent are between the ages of 20 and 40. Sarcoidosis is not contagious and not fatal.

  • What are the symptoms of sarcoidosis?

    What are the symptoms of sarcoidosis?

    Some people have no symptoms, and others have general symptoms such as weight loss and fever, or symptoms associated with a specific organ, usually the lungs. Learn more.

  • How is sarcoidosis diagnosed?

    How is sarcoidosis diagnosed?

    The first step in diagnosing sarcoidosis is a good evaluation, which may also include chest x-ray, pulmonary function testing and tissue biopsy.

  • How is sarcoidosis treated?

    How is sarcoidosis treated?

    Half of people diagnosed with sarcoidosis improve without treatment. Medications including corticosteroids, anti-inflammatories and others can help reduce inflammation and lung scarring. Learn more.

  • What lifestyle changes are helpful?

    What lifestyle changes are helpful?

    Maintain normal calcium and vitamin D levels in the body can prevent organ damage and bone weakness. Learn more.


This information has been approved by Nabeel Y. Hamzeh, MD, FCCP, April 2012.