Immune Conditions
When the immune system doesn't work properly, it can result in various health conditions. Understand your immune system, learn about autoimmune conditions, and explore self-management and treatment options to help you feel your best.
Explore immune conditions
Causes
Understand the various causes behind immune conditions, which can help with proper diagnosis and treatment.
Definition
Read up on basic terms, procedures, conditions, and clinical definitions related to immune conditions.
Diagnosis
Everything to know about the diagnosis of immune conditions and what to do after a diagnosis.
Management
Read up on what you can do to manage conditions or disorders related to the immune system.
Prevention
Some immune conditions are partially caused by non-genetic, preventable factors, such as your environment.
Recovery
Get helpful information on recovering from immune condition flare-ups, related symptoms, or treatments.
Related Conditions
Understand how to prevent or or treat complications that may arise from an immune disease or condition.
Symptoms
Symptoms of immune conditions will vary, based on the type and location of the immune response.
Featured

Definition
The Immune System
The immune system is made up of different organs, cells, and proteins that work together to protect your body from outside invaders.
Definition
Genetics and Immune Disorders
Some disorders make the immune system unable to fight off infections. In other disorders, the immune system actually attacks the body’s cells or organs, as it would attack an infection. This is what happens in autoimmune disorders, such as lupus and rheumatoid arthritis.

Common immune conditions
Immune system 101
Immune System Disorders
When your immune system doesn't work the way it should, it is called an immune system disorder.
Antinuclear Antibody
This blood test is done to help your doctor diagnose a type of illness called an autoimmune disease.
Test your knowledge
Autoimmune Diseases Quiz
Test your knowledge of the often hard to diagnosis class of health conditions, which affect your body's natural immune responses.
Take the quizCeliac Disease Quiz
Celiac disease is a digestive disease that can affect children and adults alike, and is considered significantly underdiagnosed in the United States.
Take the quiz