Lupus - Causes

The cause of lupus is unknown. Some researchers think that heredity may be a factor. Environmental factors also may be involved. In some cases, the symptoms of lupus become worse after exposure to sunlight, alfalfa sprouts, and certain medications. On rare occasions, a form of lupus can be caused by medications. Some drugs used to treat heart problems are among these medications. The lupus usually disappears when the person stops taking the drug.

Autoimmune disorder:
A condition in which a person's immune system mistakes the body's own tissues for foreign invaders and begins to make antibodies against them.
Immune system:
A network of cells and tissues that work together to protect the body against foreign invaders, such as bacteria and viruses.
Extremely disordered thinking accompanied by a poor sense of reality.

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