Get the basics on who gets lupus, what causes it, how it's diagnosed, and more.

Learn about the two types of lupus-- DLE and SLE -- and how they might affect your body and organs.

Lupus is a lifelong disorder of the immune system. Immune cells attack the body's own healthy tissues, leading to inflammation and tissue damage.

What makes you likely to get lupus? Genetics, hormones, and your environment may be involved.