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Lupus
Lupus is a chronic inflammatory autoimmune disease that can affect many parts of your body, including your skin, joints, kidneys, blood cells, heart and lungs. Episodes of lupus tend to come and go throughout your life, and they may make you feel tired and achy. Lupus occurs in several types, including systemic lupus erythematosus (SLE), discoid and drug-induced. SLE is the most common type and causes the most difficulties. It can lead to problems such as fever, swollen joints, anemia and kidney failure. Lupus is most commonly diagnosed when people are between 15 and 45 years old. The diagnosis and treatment of lupus has improved tremendously in the past few decades. If you take care of yourself and get proper medical treatment, you usually can still lead an active, healthy life. Signs and symptoms Not everyone with lupus experiences the same signs and symptoms. Symptoms may be mild or severe, and you may have times when you have no signs or symptoms of the disease at all. Some common signs and symptoms associated with the disease are:
Other signs and symptoms also may occur that are not specific to lupus. These include:
People with lupus may also experience depression or difficulty concentrating, either because of the disease or as a reaction to living with a chronic disease. Causes Lupus is an autoimmune disease, meaning that instead of just attacking foreign substances, such as bacteria and viruses, your body's defenses also attack your own tissues and cause inflammation. The cause is unknown, but doctors believe it results from a combination of factors, which may include heredity, environment and hormones. Although lupus itself can't be directly inherited, it's likely that inheriting a certain combination of genes makes you more susceptible to developing this condition. A viral or bacterial infection may then trigger the disease. Because so many more women than men have lupus, researchers are also looking at the possible involvement of hormones, such as estrogen. Risk factors Although anyone can develop lupus at any age, common risk factors include:
When to seek medical advice If you develop an unexplained rash, fever, persistent aching or fatigue, see your doctor. If you've already been diagnosed with lupus, meet with your doctor on a regular basis so that he or she can monitor your condition and treatment. Also, because people who have lupus can experience different symptoms at different times, see your doctor if new symptoms arise. This includes symptoms such as depression.
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