Lupus is a chronic autoimmune disease that can damage skin, joints and organs. People develop the disease when their immune system isn't working properly. Immune systems fight off germs, viruses and bacteria, and our immune systems are supposed to produce antibodies. People with the disease have poor immune systems, and they don't produce antibodies regularly.The disease has many symptoms and signs. People who develop the disease may experience fever, fatigue, shortness of breath, dry eyes, chest pain, joint pain, stiffness, swelling, skin lesions, a rash, headaches, confusion, memory loss, dry mouth, anemia, hair loss, pain while breathing and sensitivity to light.
