Autoimmune Disease Providers in Chicago, Illinois, United States

An autoimmune disease happens when the body’s immune system, which normally fights germs, mistakenly attacks the body’s own healthy tissues. There are many autoimmune conditions, such as rheumatoid arthritis, lupus, type 1 diabetes, and multiple sclerosis. Each one affects different parts of the body, but they share this common pattern of the immune system turning inward.

Signs vary widely depending on the condition, but many people notice fatigue, joint pain or swelling, skin changes, and periods when symptoms flare and then calm down. Some conditions affect specific organs, while others affect the whole body. The exact causes are not fully understood. Genetics, infections, hormones, and environmental factors may all play a part. Because these diseases are complex, they often look different from one person to the next.

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