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If you have lupus (LOO-puhss), your body's defense system, called the immune system, attacks your body's healthy tissues and organs. It can damage your joints, skin, kidneys, and other parts of your body. Lupus is a disease of flares (when symptoms worsen and you feel ill) and remissions (when symptoms improve and you feel better). Lupus symptoms and its treatment can affect your physical health and emotional well-being, which in turn, can affect your ability to keep up with everyday routines. But treatment and support help many people with lupus feel their best.
Content last updated: September 22, 2009.