lupus

Systemic lupus erythematosus (i/sɪˈstɛmɪk ˈluːpəs ˌɛrɪθiːməˈtoʊsəs/), often abbreviated to SLE or lupus, is a systemic autoimmune disease (or autoimmune connective tissue disease) that can affect any part of the body. As occurs in other autoimmune diseases, the immune system attacks the body’s cells and tissue, resulting in inflammation and tissue damage. It is a Type III hypersensitivity reaction in which antibody-immune complexes precipitate and cause a further immune response.