<unk>  is a collection of autoimmune diseases in which the human immune system becomes hyperactive and attacks healthy tissues. Symptoms of these diseases can affect many different body systems, including joints, skin, kidneys, blood cells, heart, and lungs. The most common and most severe form is systemic<unk> .
Lupus erythematosus
Tumid lupus erythematosus
Discoid lupus erythematosus
Chilblain lupus erythematosus
Rheumatism
Polymyalgia rheumatica
Scleroderma
Drug-induced lupus erythematosus