Lupus

ext">Lupus is an autoimmune disease that can affectMost people with lupus develop skin rashes.These
various parts of the body, including the skin, joints,rashes are often an important clue to the diagnosis.
heart, lungs, blood, kidneys and brain. Normally theIn addition to the butterfly rash over the cheeks and
body's immune system makes proteins calledbridge of the nose, other common skin symptoms
antibodies, to protect the body against viruses,include skin sores or flaky red spots on the arms,
bacteria, and other foreign materials. These foreignhands, face, neck, or back; mouth or lip sores; and a
materials are called antigens.scaly, red, or purple raised rash on the face, neck,
If you have lupus, your immune system attacksscalp, ears, arms, and chest.
healthy cells and tissues by mistake. This can damageCauses of Lupus
your joints, skin, blood vessels and organs. There areLupus is not known it is likely that there is no single
many kinds of lupus. The most common type,cause but a combination of genetic, environmental,
systemic lupus erythematosus, affects many partsand possibly hormonal factors that work together to
of the body. Discoid lupus causes a rash that doesn'tcause the disease. Lupus is not contagious-you can't
go away. Subacute cutaneous lupus causes sorescatch it from someone. No specific "lupus gene" has
after being out in the sun. Another type can bebeen found, but it does run in families.
caused by medication. Neonatal lupus, which is rare,The causes of lupus are not completely understood,
affects newborns.the disease is believed to result from an interplay of
Symptoms of Lupusgenetic, environmental (such as ultraviolet light,
For most lupus sufferers, including Jane, lupus is a mildstress, infections, certain drugs and chemicals) and
disease affecting only a few organs. For others, ithormonal factors.
may cause serious and even life-threatening problems.Although an identical twin is much more likely to have
No two cases of lupus are exactly alike. Signs andlupus if her identical sibling has lupus, the likelihood of
symptoms may come on suddenly or develop slowly,developing the disease in the unaffected twin is not
may be mild or severe, and may be temporary or100%. Despite the nearly identical genetic makeup of
permanent. Most people with lupus experienceidentical twins, the probability of the unaffected twin
episodes — called "flares" — of worsening signsdeveloping the disease if the other twin has it is
and symptoms that eventually improve or evenaround 30-50% or less.
disappear completely for a time.Sun exposure (ultraviolet light) is a known
Lupus can be hard to diagnose because itsenvironmental agent that can worsen rashes of lupus
symptoms can vary from one person to the next.patients and sometimes trigger a flare of the entire
The symptoms can also make lupus look like certaindisease.
other diseases. For example, like Chantelle, peopleDoctors don't know what causes autoimmune
with lupus may feel weak and fatigued. They maydiseases, such as lupus. It's likely that lupus results
have muscle aches, loss of appetite, swollen glands,from a combination of your genetics and your
and hair loss. Sometimes they have abdominal pain,environment. Doctors believe that you may inherit a
nausea, diarrhea, and vomiting.predisposition to lupus, but not lupus itself.