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# Immune System Conditions

Browse all immune system conditions covered on infoMD

[A](#letter-A)[B](#letter-B)[C](#letter-C)[D](#letter-D)[E](#letter-E)[F](#letter-F)[G](#letter-G)[H](#letter-H)[I](#letter-I)[J](#letter-J)[K](#letter-K)[L](#letter-L)[M](#letter-M)[N](#letter-N)[O](#letter-O)[P](#letter-P)[Q](#letter-Q)[R](#letter-R)[S](#letter-S)[T](#letter-T)[U](#letter-U)[V](#letter-V)[W](#letter-W)[X](#letter-X)[Y](#letter-Y)[Z](#letter-Z)

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## C

[

### Celiac Disease

Immune System 

Celiac disease is a genetic autoimmune disorder in which eating gluten - a protein found in wheat, barley, and rye - triggers an immune response that damages the small intestine's lining. This prevents proper nutrient absorption and can lead to a wide range of symptoms beyond the digestive system.

Chronic diarrhea or constipation Bloating and abdominal pain Unintended weight loss 

Genetic Learn More 

](/conditions/celiac-disease)

## L

[

### Lupus

Immune System 

Lupus is a chronic autoimmune disease in which the immune system attacks healthy tissue throughout the body, causing widespread inflammation and damage. It can affect the joints, skin, kidneys, brain, heart, and lungs, with symptoms that flare and remit unpredictably.

Butterfly-shaped facial rash Joint pain and swelling Extreme fatigue 

Chronic Learn More 

](/conditions/lupus)

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