(HealthDay News) -- Lupus is an "autoimmune" disease that occurs when the body's disease-fighting system can't tell the difference between germs and the body's own, healthy tissue.
The National Women's Health Information Center says here are typical warning signs of lupus:
- Pain and stiffness in the joints that may be accompanied by swelling.
- Pain in the muscles.
- Extreme fatigue.
- Fever that can't be explained.
- A skin rash, possibly one that spreads across nose and cheeks and is shaped like a butterfly.
- Anemia or kidney problems.
- Pain in the chest when breathing in deeply.
- Sensitivity to the sun or light.
- Hair falling out.
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