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.
But one of the clearest signs that a person has developed the disease is the way it affects the skin (cutaneous disease). There are, generally speaking, three types of lupus skin disease: chronic cutaneous (discoid lupus), subacute cutaneous, and acute cutaneous. Some people with discoid lupus may never develop the systemic version of the disease (systemic lupus erythematosus). And those with subacute cutaneous lupus may develop arthritis, for example, while those with acute cutaneous lupus typically are people with active SLE.