Overview of Lupus
Lupus is a chronic systemic autoimmune disease  that occurs when the body’s cells are damaged by its own immune system. It is considered a chronic inflammatory disease of the connective tissue of unknown etiology. Lupus erythematosus can cause damage to many organs  in the body – Skin, joints, kidneys, blood cells, kidney, brain, lungs, and heart.
In addition, it often mimics the symptoms of other diseases. For example, fatigue, joint pain, swelling, rash, fever. Sometimes the symptoms of the disease are very different according to the weakest immune point in a person. In some, it manifests itself more externally (on the skin) While in others, its manifestation is more internal.
The disease is often poorly diagnosed, as its symptoms are similar to other diseases. The hallmark is a butterfly-shaped rash on the face, which is common, but not in all cases of lupus.
Lupus erythematosus is more common in women under the age of 40. This disease is not contagious. In America, at least 1.5 million people have lupus. Among them are famous artists like Selena Gomez and Lady Gaga.
Although the disease is said to be of unknown etiology, there are still some possible risk that makes individual predisposed to developing Lupus.
Most scientist believes that the development of lupus is due to the combination of several factors (but external factors and internal body factors). Some of them include, genetics, hormones and environment.