With family history of having lupus you have a 4-8% risk of having by first to second cousin relation. There is a study with first extended family that 7% of family members can have lupus. Risk factors for lupus can be from chemical or environmental exposure, medication Epstein-Barr virus, sunlight, extreme stress, smoking, ultraviolent light, and antibiotics.
There are a couple of tests to determine if you have lupus. The one test that seems to help is the ANA which is the antinuclear antibody. With this test it looks for the autoantibodies that can react to the nucleus of the body’s cells. And roughly the people who have been diagnosed with lupus have ANA is about 98%. When testing to see if you have lupus you will need a full workup and physical exam with up to date blood work. They will also test your blood, kidney, and liver biopsies to make sure they cover all their bases. Because lupus is a commonly mistaken for other