WebMD Lupus Center: Symptoms, Rash, Causes, Tests, Complications, and Treatments

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Lupus Overview

Lupus, an autoimmune disease, happens when the immune system attacks its tissues, causing inflammation, swelling, pain, and damage. Lupus symptoms include fatigue, joint pain, fever, and a lupus rash.

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Symptoms

Lupus symptoms depend on what body organs are affected and how seriously they are affected.

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