1-Systemic lupus erythematosus (SLE), as its name suggests, can involve multiple organ systems and is the most serious type.
2-Discoid lupus erythematosus affects only the skin and does not involve other organ systems.
3-Drug-induced lupus is caused by a reaction to certain prescription medications. Symptoms resemble SLE but it does not affect the central nervous system or kidneys.
4-Subacute cutaneous lupus erythematosus causes skin lesions to appear on parts of the body exposed to the sun.
5-Neonatal lupus is a rare disease which affects newborn babies.
6-Nearly all lupus patients are positive for antinuclear antibodies.
7-Lupus affects 10 times more women than men.
8-Though lupus can develop at any age, disease onset usually occurs between the ages of 18 and 45 years old.
9-The Lupus Foundation of America estimates that 1.5 million Americans have one of the types of lupus, but that estimate actually may be low.