What is lupus?

What is lupus?

What most people call lupus is systemic lupus erythematosus (SLE). SLE is the most common type of lupus. About 70% of people who have lupus have SLE.

SLE causes widespread inflammation in your body. People with lupus often have:

• Chest pain.
• Fatigue.
• Fever.
• Joint pain or swelling.
• Rashes or other skin symptoms.
• Sensitivity to light (photosensitivity).