Lupus is an autoimmune illness in which the immune system targets the body’s own tissues and organs. There is no cure for it; it can only be managed.
Recall that Selena Gomez, an American singer, has been vocal about her lupus battle and had to undergo kidney transplant surgery years ago due to lupus complications.
Lupus is a disease that occurs when your body’s immune system attacks your own tissues and organs (autoimmune disease). 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 is a facial rash that resembles the wings of a butterfly unfolding across both cheeks and 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.
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Lupus most commonly affects your:
- Skin
- Joints
- Internal organs, like your kidneys and heart
What are the types of lupus?
When people talk about lupus, they’re usually talking about systemic lupus. But there are four kinds of lupus:
Systemic lupus erythematosus (SLE), the most common form of lupus
Cutaneous lupus, a form of lupus that is limited to the skin
Drug-induced lupus, a lupus-like disease caused by certain prescription drugs
Neonatal lupus, a rare condition that affects infants of women who have lupus
Who is at risk for developing lupus?
Anyone can develop lupus. But certain people are at higher risk for lupus, including:
Women ages 15 to 44
Certain racial or ethnic groups — including people who are African American, Asian American, Hispanic/Latino, Native American, or Pacific Islander
People who have a family member with lupus or another autoimmune disease
Lupus is not contagious, you can’t “catch” lupus or give it to someone else.
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
- Fever
- Joint pain, stiffness and swelling
- Butterfly-shaped rash on the face that covers the cheeks and bridge of the nose or rashes elsewhere on the body
- 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
- Shortness of breath
- Chest pain
- Dry eyes
- Headaches, confusion and memory loss
When to see a doctor
See your doctor if you develop an unexplained rash, ongoing fever, persistent aching or fatigue.
Causes
As an autoimmune disease, 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 of 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.
Infections. Having an infection can initiate lupus or cause a relapse in some people.
Medications. Lupus can be triggered by certain types of blood pressure medications, anti-seizure medications and antibiotics. People who have drug-induced lupus usually get better when they stop taking the medication. Rarely, symptoms may persist even after the drug is stopped.
Risk factors
Factors that may increase your risk of lupus include:
Your sex. Lupus is more common in women.
Age. Although lupus affects people of all ages, it’s most often diagnosed between the ages of 15 and 45.
Race. Lupus is more common in African Americans, Hispanics and Asian Americans.
Complications
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.
Brain and central nervous system. If your brain is affected by lupus, you may experience headaches, dizziness, behavior changes, vision problems, 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 a reduced number of healthy red blood cells (anemia) and an increased risk of bleeding or blood clotting.
It can also cause inflammation of the blood vessels.
Lungs.
Having lupus increases your chances of developing an inflammation of the chest cavity lining, which can make breathing painful.
Bleeding into lungs and pneumonia also are possible.
Heart.
Lupus can cause inflammation of your heart muscle, your arteries or heart membrane.
The risk of cardiovascular disease and heart attacks increases greatly as well.
Other types of complications
Having lupus also increases your risk of:
Infection.
People with lupus are more vulnerable to infection because both the disease and its treatments can weaken the immune system.
Cancer.
Having lupus appears to increase your risk of cancer; however, the risk is small.
Bone tissue death.
This occurs when the blood supply to a bone declines, often leading to tiny breaks in the bone and eventually to the bone’s collapse.
Pregnancy complications.
Women with lupus have an increased risk of miscarriage. Lupus increases the risk of high blood pressure during pregnancy and preterm birth.
To reduce the risk of these complications, doctors often recommend delaying pregnancy until your disease has been under control for at least six months.
