What is lupus?

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What is lupus?

The most common type of lupus is systemic lupus erythematosus (SLE). In SLE, your body’s immune system attacks other organs in addition to your skin, such as kidneys, heart, lungs and joints. SLE is the most common type of lupus. Almost three out of every four people who have lupus have SLE.

SLE causes widespread inflammation. This inflammation might be acute (sudden) or chronic (long-lasting). People with lupus often have:

  • Fatigue.
  • Joint pain or swelling.
  • Rashes or other skin symptoms.

People may have one type of lupus, such as SLE or CLE. But more often, they have multiple types of lupus.

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