Lupus is a chronic inflammatory disease that occurs when your body’s immune system attacks your own tissues and organs.
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Inflammation caused by lupus can affect many different body systems — including your joints, skin, kidneys, blood cells, brain, heart and lungs.
Lupus can be difficult to diagnose because its signs and symptoms often mimic those of other ailments.
The most distinctive sign of lupus — a facial rash that resembles the wings of a butterfly unfolding across both cheeks — occurs in many but not all cases of lupus.
Some people are born with a tendency toward developing lupus, which may be triggered by infections, certain drugs or even sunlight. While there’s no cure for lupus, treatments can help control symptoms.
No two cases of lupus are exactly alike. Signs and symptoms may come on suddenly or develop slowly, may be mild or severe, and may be temporary or permanent. Most people with lupus have mild disease characterized by episodes — called flares — when signs and symptoms get worse for a while, then improve or even disappear completely for a time.
The signs and symptoms of lupus that you experience will depend on which body systems are affected by the disease. The most common signs and symptoms include:
- Fatigue and fever
- Joint pain, stiffness and swelling
- Butterfly-shaped rash on the face that covers the cheeks and bridge of the nose
- Skin lesions that appear or worsen with sun exposure
- Fingers and toes that turn white or blue when exposed to cold or during stressful periods (Raynaud’s phenomenon)
- Shortness of breath
- Chest pain
- Dry eyes
- Headaches, confusion, memory loss
When to see a doctor
See your doctor if you develop an unexplained rash, ongoing fever, persistent aching or fatigue.
Lupus occurs when your immune system attacks healthy tissue in your body. It’s likely that lupus results from a combination of your genetics and your environment. It appears that people with an inherited predisposition for lupus may develop the disease when they come into contact with something in the environment that can trigger lupus. The cause for lupus in most cases, however, is unknown. Some potential triggers include:
- Sunlight. Exposure to the sun may bring on lupus skin lesions or trigger an internal response in susceptible people.
- Medications. Lupus can be triggered by certain types of anti-seizure medications, blood pressure medications and antibiotics. People who have drug-induced lupus usually see their symptoms go away when they stop taking the medication.
Factors that may increase your risk of lupus include:
- Your sex. Lupus is more common in women than men.
- Age. Although lupus affects people of all ages, it’s most often diagnosed between the ages of 15 and 40.
- Race. Lupus is more common in African Americans, Hispanics and Asians.
Inflammation caused by lupus can affect many areas of your body, including your:
- Kidneys. Lupus can cause serious kidney damage, and kidney failure is one of the leading causes of death among people with lupus. Signs and symptoms of kidney problems may include generalized itching, chest pain, nausea, vomiting and leg swelling (edema).
- Brain. If your brain is affected by lupus, you may experience headaches, dizziness, behavior changes, hallucinations, and even strokes or seizures. Many people with lupus experience memory problems and may have difficulty expressing their thoughts.
- Blood and blood vessels. Lupus may lead to blood problems, including anemia and increased risk of bleeding or blood clotting. It can also cause inflammation of the blood vessels (vasculitis).
- Lungs. Having lupus increases your chances of developing an inflammation of the chest cavity lining (pleurisy), which can make breathing painful.
- Heart. Lupus can cause inflammation of your heart muscle, your arteries or heart membrane (pericarditis). The risk of cardiovascular disease and heart attacks increases greatly as well.
Other types of complications
Having lupus also increase your risk of:
- Infection. People with lupus are more vulnerable to infection because both the disease and its treatments weaken the immune system. Infections that most commonly affect people with lupus include urinary tract infections, respiratory infections, yeast infections, salmonella, herpes and shingles.
- Cancer. Having lupus appears to increase your risk of cancer.
- Bone tissue death (avascular necrosis). This occurs when the blood supply to a bone diminishes, often leading to tiny breaks in the bone and eventually to the bone’s collapse. The hip joint is most commonly affected.
- Pregnancy complications. Women with lupus have an increased risk of miscarriage. Lupus increases the risk of high blood pressure during pregnancy (preeclampsia) and preterm birth. To reduce the risk of these complications, doctors recommend delaying pregnancy until your disease has been under control for at least 6 months.
Tests and diagnosing
Diagnosing lupus is difficult because signs and symptoms vary considerably from person to person. Signs and symptoms of lupus may vary over time and overlap with those of many other disorders. No one test can diagnose lupus. The combination of blood and urine tests, signs and symptoms, and physical examination findings leads to the diagnosis.
Blood and urine tests may include ;
- Complete blood count. This test measures the number of red blood cells, white blood cells and platelets as well as the amount of hemoglobin, a protein in red blood cells. Results may indicate you have anemia, which commonly occurs in lupus. A low white blood cell or platelet count may occur in lupus as well.
- Erythrocyte sedimentation rate. This blood test determines the rate at which red blood cells settle to the bottom of a tube in an hour. A faster than normal rate may indicate a systemic disease, such as lupus. The sedimentation rate isn’t specific for any one disease. It may be elevated if you have lupus, another inflammatory condition, cancer or an infection.
- Kidney and liver assessment. Blood tests can assess how well your kidneys and liver are functioning. Lupus can affect these organs.
- Urinalysis. An examination of a sample of your urine may show an increased protein level or red blood cells in the urine, which may occur if lupus has affected your kidneys.
- Antinuclear antibody (ANA) test. A positive test for the presence of these antibodies — produced by your immune system — indicates a stimulated immune system. While most people with lupus have a positive ANA test, most people with a positive ANA do not have lupus. If you test positive for ANA, your doctor may advise more-specific antibody testing.
If your doctor suspects that lupus is affecting your lungs or heart, he or she may suggest:
- Chest X-ray. An image of your chest may reveal abnormal shadows that suggest fluid or inflammation in your lungs.
- Echocardiogram. This test uses sound waves to produce real-time images of your beating heart. It can check for problems with your valves and other portions of your heart.
- Biopsy.Lupus can harm your kidneys in many different ways and treatments can vary, depending on the type of damage that occurs. In some cases, it’s necessary to test a small sample of kidney tissue to determine what the best treatment might be. The sample can be obtained with a needle, or through a small incision.
Treatment and drugs
Treatment for lupus depends on your signs and symptoms. Determining whether your signs and symptoms should be treated and what medications to use requires a careful discussion of the benefits and risks with your doctor. As your signs and symptoms flare and subside, you and your doctor may find that you’ll need to change medications or dosages. The medications most commonly used to control lupus include:
- Nonsteroidal anti-inflammatory drugs (NSAIDs). used to treat pain, swelling and fever associated with lupus.
- Antimalarial drugs.; used to treat malaria also can help control lupus.
- Corticosteroids; these drugs counter the inflammation of lupus, but often produce long-term side effects — including weight gain, easy bruising, thinning bones (osteoporosis), high blood pressure, diabetes and increased risk of infection. The risk of side effects increases with higher doses and longer term therapy.
- Immune suppressants; Drugs that suppress the immune system may also be helpful in serious cases of lupus.
Lifestyle and Simple home remedies
Take steps to care for your body if you have lupus. Simple measures can help you prevent lupus flares and, should they occur, better cope with the signs and symptoms you experience. Try to:
- Get adequate rest. People with lupus often experience persistent fatigue that’s different from normal tiredness and that isn’t necessarily relieved by rest. For that reason, it can be hard to judge when you need to slow down. Get plenty of sleep a night and naps or breaks during the day as needed.
- Be sun smart. Because ultraviolet light can trigger a flare, wear protective clothing, such as a hat, long-sleeved shirt and long pants, and use sunscreens with a sun protection factor (SPF) of at least 55 every time you go outside.
- Get regular exercise. Exercise can help you recover from a flare, reduce your risk of heart attack, help fight depression and promote general well-being.
- Don’t smoke. Smoking increases your risk of cardiovascular disease and can worsen the effects of lupus on your heart and blood vessels.
- Eat a healthy diet. A healthy diet emphasizes fruits, vegetables and whole grains. Sometimes you may have dietary restrictions, especially if you have high blood pressure, kidney damage or gastrointestinal problems
Coping with Lupus
If you have lupus, you’re likely to have a range of painful feelings about your condition, from fear to extreme frustration. The challenges of living with lupus increase your risk of depression and related mental health problems, such as anxiety, stress and low self-esteem. To help you cope with lupus, try to:
- Learn all you can about lupus. Write down all the questions you have about lupus and ask them at your next appointment. Ask your doctor or nurse for reputable sources of further information. The more you know about lupus, the more confident you’ll feel in your treatment choices.
- Gather support among your friends and family. Talk about lupus with your friends and family and explain ways they can help out when you’re having flares. Lupus can be frustrating for your loved ones because they usually can’t see it and you may not appear sick. They can’t tell if you’re having a good day or a bad day unless you tell them. Be open about what you’re feeling so that your friends and family know what to expect.
- Take time for yourself. Cope with stress in your life by taking time for yourself. Use that time to read, meditate, listen to music or write in a journal. Find activities that calm and renew you.
- Connect with others who have lupus. Talk to other people who have lupus. You can connect with other people who have lupus through support groups in your community or through online message boards. Other people with lupus can offer unique support because they’re facing many of the same obstacles and frustrations that you’re facing.
- Families of persons with Lupus can show their love better at such point in time since their chances to survive may largely depend on supports given.
CREDIT::Lupus Foundation of America & Mayo Clinic