Dysfunction in the sacroiliac joint, also called the SI joint, can sometimes cause lower back and/or leg pain. Leg pain from sacroiliac joint dysfunction can be particularly difficult to differentiate from radiating leg pain caused by a lumbar disc herniation (sciatica) as they can feel quite similar.
Systemic lupus erythematosus (SLE), also known simply as lupus, is an autoimmune disease in which the bodyâs immune system mistakenly attacks healthy tissue in many parts of the body. Symptoms vary between people and may be mild to severe.
Lupus is a remitting/flaring disease. There are no stages. If lupus is left untreated permanent organ damage is a possibility. There are classifications of lupus nephritis and stages within each classification, but there are no articulated stages of lupus in general. Many symptoms of lupus disease are also associated with other conditions; many patieâ¦. 2  Lupus: Available Treatment Options Lupus is a disease that attacks a person's immune system. 3  It is a chronic inflammatory disease that often will attack a person's joints, muscles, and organs.