
Analysis Showing that the Autoimmune Disease Treatment Market is expected to grow at a CAGR 11.2% during the forecast period of 2018-2023. An autoimmune disorder occurs when the body's immune system is unable to differentiate between own cells and foreign cells, which causes the body to mistakenly attack normal cells. The most common autoimmune disease symptoms include abdominal pain, recurring fever, swollen glands, fatigue, and joint pain, swelling, and skin problems.