Note: Were you looking for information about autoimmune diseases? Autoimmune deseases is a common misspelling of autoimmune diseases.
Autoimmune diseases can affect the body in different ways. Autoimmune diseases occur when the immune cells in your body mistake your own body's cells as invaders and attack them. In many people, the first symptoms of autoimmune disease are fatigue, muscle aches, and low fever. Some of the body systems that autoimmune diseases affect can include blood and blood vessels, digestive tract, eyes, and glands.