[ Autoimmune disorder ]
A condition arising from an abnormal immune response against substances naturally present in the body. Symptoms may include low grade fever, fatugue, inflammation or pain and may be accute or chronic, depending on exposure to the trigger substance.
At least 80 types of autoimmune disorders or [ Disease ] In a living thing, an abnormal condition that is not the direct result of physical injury. Diseases are structural or functional disorders. Medically, they may be classified as infectious (communicable and non-communicable), genetic, physiological deficiency-related. More have been catalogued.