Several conditions may be confused with lupus (systemic lupus erythematosus, or SLE). They share some but not all of the symptoms of lupus. For example, rheumatoid arthritis begins with joint pain and swelling. And fibromyalgia begins with fatigue and joint pain. But as the condition continues, people with lupus develop skin rashes or symptoms in other organs, such as the heart, lungs, or kidneys. And they will test positive for antibodies produced by the immune system that help to identify lupus.
Conditions that may have symptoms similar to lupus:
Last Revised: May 10, 2012
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