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Lupus erythematosus

Lupus erythematosus (also known as systemic lupus erythematosus or SLE) is an autoimmune disorder in which antibodies are created against the patient's own DNA. It can cause various symptoms, but the main ones relate to the skin, kidney (lupus nephritis), joints, blood and immune system. more...

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It is named for the Latin lupus, meaning "wolf", perhaps due to a crude similarity between the facial rash associated with the illness, and a wolf's face, although various explanations exist.

Signs and symptoms

Common initial and chronic complaints are fever, malaise, joint pains, myalgias and fatigue. Because they are so often seen with other diseases, these signs and symptoms are not part of the diagnostic criteria for SLE. When occurring in conjunction with other signs and symptoms, however, they are considered suggestive.

Dermatological manifestations

As many as 30% of patients present with some dermatological symptoms (and 65% suffer such symptoms at some point), with 30% to 50% suffering from the classic malar (or butterfly) rash associated with the disease. Patients may present with discoid lupus (thick, red scaly patches on the skin). Alopecia, mouth and vaginal ulcers, and lesions on the skin are also possible manifestations.

Musculoskeletal manifestations

Patients most often seek medical attention for joint pain, with small joints of the hand and wrist usually affected, although any joint is at risk. Unlike rheumatoid arthritis, SLE arthropathy is not usually destructive of bone, however, deformities caused by the disease may become irreversible in as many as 20% of patients.

Hematological manifestations

Anemia and iron deficiency may develop in as many as half of patients. Low platelet and white blood cell counts may be due to the disease or a side-effect of pharmacological treatment.

Cardiac manifestations

Patients may present with inflammation of various parts of the heart: pericarditis, myocarditis and endocarditis. The endocarditis of SLE is characteristically non-infective (Libman-Sacks endocarditis), and involves either the mitral valve or the tricuspid valve. Atherosclerosis also tends to occur more often and advance more rapidly in SLE patients than in the general population. (Asanuma et al 2003, Bevra 2003, Roman et al 2003).

Renal involvement

Painless hematuria or proteinuria may often be the only presenting renal symptom. Acute or chronic renal impairment may develop with lupus nephritis, leading to acute or end stage renal failure. Because of early recognition and management of SLE, end stage renal failure occurs in less than 5% of patients.

Neurological manifestations

About 10% of patients may present with seizures or psychosis. A third may test positive for abnormalities in the cerebrospinal fluid.

T-cell abnormalities

Abnormalities in T cell signaling are associated with SLE, including deficiency in CD45 phosphatase, increased expression of CD40 ligand. Also associated with SLE is increased expression of FcεRIγ, which replaces the TCR ζ chain, which is deficient in some SLE patients. Other abnormalities include:


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Systemic lupus erythematosus
From Gale Encyclopedia of Alternative Medicine, 4/6/01 by Belinda Rowland


Systemic lupus erythematosus (also called lupus or SLE) is a disease where a person's immune system attacks and injures the body's own organs and tissues. Almost every system of the body can be affected.


The body's immune system is a network of cells and tissues responsible for clearing the body of invading organisms, like bacteria, viruses, and fungi. Antibodies are special immune cells that recognize these invaders, and begin a chain of events to destroy them. In an autoimmune disorder like SLE, a person's antibodies begin to recognize the body's own tissues as foreign. Cells and chemicals of the immune system damage the tissues of the body. The reaction that occurs in tissue is called inflammation. Inflammation includes swelling, redness, increased blood flow, and tissue destruction.

In SLE, some of the common antibodies that normally fight diseases are thought to be out of control. These include antinuclear antibodies, which are directed against the cell structure that contains genetic material (the nucleus), and anti-DNA antibodies, which are directed against genetic material (DNA).

SLE can occur in both males and females of all ages, but 90% of patients are women. The majority of these women are in their childbearing years. African Americans are more likely than caucasians to develop SLE.

Occasionally, medications such as hydralazine and procainamide can cause symptoms very similar to SLE. This is called drug-induced lupus. Drug-induced lupus usually disappears after the patient stops taking the particular medication.

Causes & symptoms

The cause of SLE is unknown. Because the vast majority of patients are women, some research is being done to determine what (if any) link the disease has to female hormones. SLE may have a genetic basis, although more than one gene is believed to be involved in disease development. Because patients may suddenly have worse symptoms (called a flare) after exposure to things like sunlight, foods such as alfalfa sprouts, and certain medications, environmental factors may also be at work.

The severity of symptoms varies over time, with periods of mild or no symptoms, followed by a flare. During a flare, symptoms increase in severity and new organ systems may become affected.

Many SLE patients have fevers, fatigue, muscle pain, weakness, decreased appetite, and weight loss. The spleen and lymph nodes are often swollen and enlarged. The development of other symptoms in SLE varies, depending on the organs affected.

  • Joints. Joint pain and problems, including arthritis, are very common. About 90% of all SLE patients have these types of problems.
  • Skin. A number of skin rashes may occur, including a red butterfly-shaped rash that spreads across the face. The "wings" of the butterfly appear across the cheekbones, and the "body" appears across the bridge of the nose. A discoid, or coin-shaped, rash causes red, scaly bumps on the cheeks, nose, scalp, ears, chest, back, and the tops of the arms and legs. The roof of the mouth may develop sore, irritated pits (ulcers). Hair loss is common. SLE patients tend to be very easily sunburned (photosensitive).
  • Lungs. Inflammation of the tissues that cover the lungs and line the chest cavity causes pleuritis, with fluid accumulating in the lungs. The patient frequently experiences coughing and shortness of breath.
  • Heart and circulatory system. Inflammation of the tissue surrounding the heart causes pericarditis; inflammation of the heart itself causes myocarditis. These heart problems may result in abnormal beats (arrhythmias), difficulty pumping the blood strongly enough (heart failure), or even sudden death. Blood clots often form in the blood vessels and may lead to complications.
  • Nervous system. Headaches, seizures, changes in personality, and confused thinking (psychosis) may occur.
  • Kidneys. The kidneys may suffer significant destruction, with serious life- threatening effects. They may become unable to adequately filter the blood, leading to kidney failure.
  • Gastrointestinal system. Patients may experience nausea, vomiting, diarrhea, and abdominal pain. The lining of the abdomen may become inflamed (peritonitis).
  • Eyes. The eyes may become red, sore, and dry. Inflammation of one of the nerves responsible for vision may cause vision problems, and blindness can result from inflammation of the blood vessels (vasculitis) that serve the retina.


Diagnosis of SLE can be somewhat difficult. There are no definitive tests for diagnosing SLE. Many of the symptoms and laboratory test results of SLE patients are similar to those of patients with other diseases, including rheumatoid arthritis , multiple sclerosis , and various nervous system and blood disorders.

Laboratory tests that are helpful in diagnosing SLE include several tests for a variety of antibodies commonly elevated in SLE patients (including antinuclear antibodies, anti-DNA antibodies, etc.). A blood test called the lupus erythematosus cell preparation (or LE prep) test is also performed. The LE prep is positive in about 70-80% of all patients with SLE. SLE patients tend to have low numbers of red blood cells (anemia) and low numbers of certain types of white blood cells. The erythrocyte sedimentation rate (ESR), a measure of inflammation in the body, tends to be quite elevated. Samples of tissue (biopsies) from affected skin and kidneys show characteristics of the disease.

The American Rheumatism Association developed a list of symptoms used to diagnose SLE. Research supports the idea that people who have at least four of the 11 criteria (not necessarily simultaneously) are extremely likely to have SLE. The criteria are:

  • butterfly rash
  • discoid rash
  • photosensitivity
  • mouth ulcers
  • arthritis
  • inflammation of the lining of the lungs or the lining around the heart
  • kidney damage, as noted by the presence of protein or other abnormal substances called casts in the urine
  • seizures or psychosis
  • the presence of certain types of anemia and low counts of particular white blood cells
  • the presence of certain immune cells, anti-DNA antibodies, or a falsely positive test for syphilis
  • the presence of antinuclear antibodies


Although there is no cure for SLE, a number of alternative treatments may help reduce symptoms.

  • Acupuncture can relieve pain in joints and muscles.
  • Chinese herbals are chosen based on treatment principles and the patients specific symptoms. A simple decoction for the treatment of SLE joint and kidney problems is Lei Gong Teng (Caulis tripterygii), Ji Xue Teng (Caulis spatholobi), and Gan Cao (Radix glycyrrhizae). Chinese patent medicines for SLE include Qin Jiao Wan (Gentiana Macrophylla Pill) and Kun Ming Shan Hai Tang Pian (Tripterygii Tablet).
  • DHEA (dehydroepiandrosterone) treatment, in a small study, led to disease improvement and reduction in the use of corticosteroids.
  • Diet. The SLE patient should drink plenty of water and eat a well balanced diet of whole, unprocessed foods that are low in fat and high in fiber. Mackerel, sardines, and salmon contain the beneficial fatty acid omega-3. Caffeine, sugar, alcohol, red meats, and alfalfa sprouts should be avoided. Because food allergies can be associated with SLE, an elimination/change in diet can help identify the offending foods (often wheat, dairy products, and/or soy).
  • Enzyme therapy treats SLE with 10X U.S.P. of digestive enzymes , protease, lipase, amylase, and cellulase to improve digestion of foods, based on the theory that a leaky gut causes SLE.
  • exercise can reduce fatigue, reduce muscle weakness, speed weight loss, and increase energy, stamina, and confidence.
  • Herbals include capsaicin (Capsicum species) cream, pau d'arco' (Tabebuia species), pine (Pinus species) extract, wheat grass (Triticum aestivum), Bupleurum falcatum, licorice (Glycyrrhiza glabra), wild mexican yam (Dioscorea villosa), stinging nettle (Urtica dioica), flaxseed (Linus usitatissimum) oil, turmeric (Curcuma species), and borage (Borago officinalis) oil.
  • Massage can relieve pain and reduce stress.
  • Probiotic treatment using Lactobacillus species to restore a healthy balance of bacteria in the intestines.
  • Stress management techniques, such as guided imagery , meditation, hypnotherapy, and yoga, can reduce stress that exacerbates SLE.
  • Supplements commonly recommended for SLE patients include vitamins B, C, and E, beta-carotene, bioflavonoids, selenium, zinc, magnesium, a complete trace mineral supplement, glutamine, gamma-oryzanol, 1-butyrate, fructooligosaccharides (FOS), and omega 3 fatty acids (fish oil ). Vitamin A is believed to help improve discoid skin rashes.
  • Support groups for SLE patients can provide emotional and social help.

Allopathic treatment

Treatment depends on the organ systems affected and the severity of the disease. Patients with a mild form of SLE can be treated with nonsteroidal anti-inflammatory drugs like ibuprofen (Motrin, Advil) and aspirin. More severely ill patients with potentially life-threatening complications (including kidney disease, pericarditis, or nervous system complications) will require treatment with more potent drugs, including steroid medications and possibly other drugs that decrease the activity of the immune system (immunosuppressant drugs).

Kidney failure may require the blood to be filtered by a machine (dialysis) or even a kidney transplantation.

Expected results

The prognosis for patients with SLE varies, depending on the organ systems most affected and the severity of inflammation. Some patients have long periods of time with mild or no symptoms. About 90%-95% of patients are still living after two years with the disease, 82%-90% after 5 years, 71%-80% after 10 years, and 63%-75% after 20 years. The most likely causes of death during the first 10 years include infections and kidney failure. During years 11-20 of the disease, the development of abnormal blood clots is the most likely cause of death.

For pregnant SLE patients, about 30% of the pregnancies end in miscarriage and about 25% of all babies are born prematurely. Most babies born to mothers with SLE are normal. Rarely, babies develop a condition called neonatal lupus which is characterized by a skin rash, liver or blood problems, and a serious heart condition.


There are no known ways to avoid developing SLE. However, it is possible for a patient who has been diagnosed with SLE to prevent flares of the disease. Recommendations to prevent flares include decreasing sun exposure, getting sufficient sleep, eating a healthy diet, decreasing stress, and exercising regularly.

Key Terms

Autoimmune disorder
A disorder in which the body's antibodies mistake the body's own tissues for foreign invaders. The immune system then attacks and causes damage to these tissues.
Immune system
The system of specialized organs, lymph nodes, and blood cells throughout the body that work together to prevent foreign organisms (bacteria, viruses, fungi, etc.) from invading the body.
Extremely disordered thinking with a poor sense of reality; may include hallucinations (seeing, hearing, or smelling things that are not really there).

Further Reading

For Your Information


  • Aaseng, Nathan. Autoimmune Diseases. New York: F. Watts, 1995.
  • Hahn, Bevra Hannahs. "Systemic Lupus Erythematosus." In Harrison's Principles of Internal Medicine. 14th ed., edited by Anthony S. Fauci, et al. New York: McGraw-Hill, 1998.
  • Long, James W. The Essential Guide to Chronic Illness. New York: HarperPerennial, 1997.
  • Ravel, Richard. "Systemic Lupus Erythematosus (SLE)." In Clinical Laboratory Medicine: Clinical Application of Laboratory Data. St. Loius, MO: Mosby, 1995.
  • Wallace, Daniel J. The Lupus Book. New York: Oxford University Press, 1995.
  • Ying, Zhou Zhong and Jin Hui De. "Lupus Erythematosus." In Clinical Manual of Chinese Herbal Medicine and Acupuncture. New York: Churchill Livingston, 1997.


  • Mann, Judy. "The Harsh Realities of Lupus." The Washington Post. 120 (October 8, 1997): C12.
  • Umansky, Diane. "Living with Lupus." American Health for Women. 16 (June 1997): 92+.
  • Yap, Hui-Kim, Siau-Gek Ang, Yee-Hing Lai, Vinod Ramgolam, and Stanley C. Jordan. "Improvement in Lupus Nephritis Following Treatment with a Chinese Herbal Preparation." Archives of Pediatric and Adolescent Medicine. 153 (August 1999): 850- 852.


  • American College of Rheumatology. 60 Executive Park South, Suite 150, Atlanta, GA 30329. (404) 633-3777.
  • Lupus Foundation of America, Inc. 1300 Piccard Dr., Suite 200, Rockville, MD 20850. (800) 558-0121.


  • Hoffman, David L. "The Use of Herbs in the Treatment of Systemic Lupus Erythematosus." HealthWorld Online.
  • Balch, T. Stephen. "Living Well with Lupus."

Gale Encyclopedia of Alternative Medicine. Gale Group, 2001.

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