What is Lupus?  According to the Lupus Foundation of America Lupus is a chronic (long-term) disease that can cause inflammation and pain in any part of your body. It’s an autoimmune disease, which means that your immune system — the body system that usually fights infections — attacks healthy tissue instead.Lupus most commonly affects your: 

• Skin
• Joints
• Internal organs, like your kidneys and heart

Because lupus affects many parts of the body, it can cause a lot of different symptoms. 

*information received from  https://www.lupus.org/resources/what-is-lupus