Health topics

Immune system disorders

Explore conditions involving immune responses, autoimmune disease or impaired immune function.

Overview

About immune system disorders

The immune system protects against infection but can also contribute to inflammatory and autoimmune disease. Autoimmune disorders, allergic conditions and immune deficiency are distinct mechanisms, so this topic is arranged as related clinical areas rather than one disease category.

Autoimmune and immune-mediated conditions

3 references

Allergy-related conditions

2 references

Immune deficiency and infections

1 reference

For diagnosis, treatment information and clinical sources, see the individual condition references. This page is a topical directory, not a clinical care guide.