How to sign: any of a large group of diseases characterized by abnormal functioning of the immune system that causes your immune system to produce antibodies against your own tissues
Similiar / Same: autoimmune disorder
Categories: disease
Within this category: ankylosing spondylitis, discoid lupus erythematosus, Hashimoto's disease, lupus erythematosus, rheumatoid arthritis, scleroderma, thrombocytopenic purpura, type I diabetes