10 Symptoms of Crohn's Disease You Should Be Aware Of

2. Other Autoimmune Conditions

It is not uncommon for people with Crohn’s disease to be diagnosed with other inflammatory conditions, such as rheumatoid arthritis, autoimmune thyroid disease, lupus, Grave’s disease, ulcerative colitis, and Hashimoto’s disease. Autoimmunity produces antibodies that may attack other areas of the body besides the digestive tract. As approximately seventy percent of the immune system resides in the gastrointestinal tract, it is easy for a bowel disorder to impact the health of other areas of the body.