Autoimmune disorders are those health conditions in which the body's immune system attacks and damages the healthy tissues of the body. Some common types of autoimmune disorders are type 1 diabetes, rheumatoid arthritis, psoriatic arthritis, multiple sclerosis, systemic lupus erythematosus, inflammatory bowel disease, Addison's disease, etc. The initial signs and symptoms of many autoimmune disorders share common similarity that includes fatigue, achy muscles, swelling and redness, low-grade fever, trouble concentrating, numbness and tingling in the hands and feet, etc. These disorders are diagnosed by performing antinuclear antibody test (ANA). There are no treatments available to cure autoimmune disorders, but some can help relieve the symptoms. Nonsteroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen and naproxen, and immune-suppressing drugs are used to control the overactive immune response. This book is compiled in such a manner, that it will provide in-depth knowledge about the diagnosis, prognosis and therapeutics of autoimmune disorders. It presents researches and studies performed by experts across the globe. This book will prove to be immensely beneficial to students and researchers in the study of these disorders.