What is lupus erythematosus?

There are various immune diseases, like; lupus erythematosus, rheumatoid arthritis (RA), inflammatory bowel disease (IBD), and many others.   These diseases vary greatly in symptoms, methods of diagnosis, and treatment.   However, they’re all caused by an overactivity of the immune system.   Lupus erythematosus is a well-known autoimmune disease that occurs due to; a malfunction in a person’s immune…