What is lupus?
Lupus, also called systemic lupus erythematosus (sis-teh-mik lew-pus er-eh-thee-muh-toh-sis) or SLE, is a disease that affects your immune system.
Normally, your immune system fights infections caused by germs. Instead of protecting your body, your immune system makes the mistake of attacking your body's healthy cells.
Lupus can affect almost any part of your body, including your joints, skin, kidneys, heart, lungs, blood vessels, and brain. There is no way to know what part of your body will be affected.
For most people though, lupus is a mild disease affecting only a few parts of your body, and some patients don't get inner organ problems (like in the heart and lungs), but do have skin and joint problems.
Normally, lupus develops slowly, with symptoms that come and go. For some, it can cause serious and even life-threatening problems. Even for patients with diseases that hurt their organs, with good care and management and a strong partnership between a patient and her health care provider, the prognosis is good.
Who has lupus?
Lupus affects up to 1.4 million people in the United States. About 9 out of 10 people who have lupus are women.
Lupus is 3 times more common in black women than in white women. It is also more common in women of Hispanic/Latina, Asian, and American Indian descent.
Black and Hispanic/Latina women tend to develop symptoms at an earlier age than other women. African Americans have more severe organ problems, especially with their kidneys.
What causes lupus?
The cause of lupus is not known. It is likely that there is no single cause but a combination of genetic, environmental, and possibly hormonal factors that work together to cause the disease.
Lupus is not contagious-you can't catch it from someone.No specific "lupus gene" has been found, but it does run in families.
Lupus - Part 2 - The different types of Lupus
Lupus - Part 3 - Lupus and Pregnancy
Lupus - Part 4 - Symptons and Diagnoses
Lupus - Part 5- Lupus Resources
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