Meaning of autoimmune disease: A condition in which the body recognizes its own tissues as foreign and directs an immune response against them.

Definition of autoimmune disease

A condition in which the body recognizes its own tissues as foreign and directs an immune response against them.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.