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.
Definition of Lupus. Lupus (Systemic Lupus Erythematosus) is a widespread and chronic inflammatory autoimmune disease that, for unknown reasons, causes the immune system to attack the bodyâs own tissue and organs. Currently, there is no cure for lupus.Lupus causes a wide variety of devastating symptoms.efinition of Lupus. Lupus (Systemic Lupus Erythematosus) is a widespread and chronic inflammatory autoimmune disease that, for unknown reasons, causes the immune system to attack the bodyâs own tissue and organs. Currently, there is no cure for lupus.