What can be mistaken for lupus?

Can you be falsely diagnosed with lupus?

A Lupus Foundation of America study of over 3,000 adults with lupus found that 46.5 percent report being misdiagnosed with something other than lupus at the start of their journey with this unpredictable and life-altering disease.

What autoimmune disease is similar to lupus?

Common ones include lupus, rheumatoid arthritis, Crohn's disease and ulcerative colitis. Autoimmune diseases can affect many types of tissues and nearly any organ in your body.

Can you test positive for lupus but not have it?

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.

Can you have lupus symptoms without having lupus?

You have too few symptoms

Patients who have too few symptoms have “pre-lupus,” “incomplete lupus,” ”evolving lupus,” or “forme fruste lupus” (the last is a French term that translates as incomplete or unfinished form). Doctors use these terms interchangeably — they do not mean different illnesses.

Living with Lupus

Does a positive ANA always mean lupus?

If your doctor says your ANA test is “positive,” that means you have antinuclear antibodies in your blood — but it doesn't necessarily mean you have lupus. In fact, a large portion of patients with a positive ANA do not have lupus. Diagnosing lupus is like putting together a puzzle.

What labs are abnormal with lupus?

Complete Blood Count (CBC)

CBC provides information about the red blood cell (RBC), white blood cell (WBC), and platelet counts, and health of RBCs, all of which may be abnormal in lupus and may need treatment. Common issues are: Low RBC (hematocrit, hemoglobin). A normal hematocrit is 35-40%, hemoglobin 11.5-15.0.

What level of ANA indicates lupus?

The initial requirement of the criteria for lupus diagnosis is a positive ANA test with a titer of at least 80. The numerical value of the titer refers to the ratio of blood serum being evaluated to a dilution agent.

How do rheumatologists diagnose lupus?

The rheumatologist will take a thorough history of your symptoms and do a physical exam looking for the signs and symptoms of lupus. They will also run blood tests to check for indications of lupus. The first blood test a rheumatologist will conduct to check for lupus is called an antinuclear antibody (ANA) test.

What can trigger lupus?

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.

Can you still have lupus with normal blood work?

Dr. Michael Lockshin: The diagnosis of lupus is never made by blood test alone, since some people have positive blood tests but no disease. To make a diagnosis of lupus, you need to have both symptoms and, generally, positive blood tests.

What infections cause positive ANA?

In particular, several patients with a positive ANA test result were found to have intracellular infections such as mycobacterial infections, syphilis, or scrub typhus. Keywords: Antinuclear antibodies; autoimmune diseases; infection; scrub typhus; tuberculosis.

Can fibromyalgia be mistaken for lupus?

Still, many signs and symptoms of fibromyalgia and lupus overlap and it's not uncommon for fibromyalgia to be misdiagnosed as lupus, says rheumatologist George Stojan, MD, an assistant professor of medicine at Johns Hopkins University School of Medicine and co-director of the Johns Hopkins Lupus Center in Baltimore, ...

Are blood tests for lupus accurate?

98% of all people with systemic lupus have a positive ANA test, making it the most sensitive diagnostic test for confirming diagnosis of the disease. The test for anti-nuclear antibodies is called the immunofluorescent antinuclear antibody test. In this test, a blood sample is drawn and sent to a laboratory.

What can cause a false positive lupus test?

Causes of a false-positive ANA include infection, malignancy, and certain medications. Therefore, a positive ANA test does not equal a diagnosis of lupus or any autoimmune or connective tissue disease.

How long can you have lupus without knowing?

Lupus symptoms can also be unclear, can come and go, and can change. On average, it takes nearly six years for people with lupus to be diagnosed, from the time they first notice their lupus symptoms.

How do you know if you have MS or lupus?

In general, a person with MS is more likely to experience neurological symptoms, such as numbness, blurred vision, and difficulty balancing. A person with lupus tends to have symptoms such as rashes and headaches. They may also experience cognitive or personality changes.

What does a lupus flare feel like?

During a lupus flare, you could expect to have rashes, joint pain, and possibly a new symptom, too. Some common symptoms of lupus flares include: Painful and swollen joints. Rashes.

What happens at first rheumatology appointment for lupus?

“The first visit will include a physical exam in which your rheumatologist will search for joint swelling or nodules that may indicate inflammation,” says Dr. Smith. “Lab tests, such as X-rays and blood work, may also supply pieces of the puzzle to assist your rheumatologist in arriving at your diagnosis.”

Should I be worried about a positive ANA test?

The presence of antinuclear antibodies is a positive test result. But having a positive result doesn't mean you have a disease. Many people with no disease have positive ANA tests — particularly women older than 65.

What if my ANA test is positive?

An ANA test looks for antinuclear antibodies in your blood. If the test finds antinuclear antibodies in your blood, it may mean you have an autoimmune disorder. An autoimmune disorder causes your immune system to attack your own cells, tissues, and/or organs by mistake.

What does a speckled ANA test mean?

Speckled pattern correlates with antibody to nuclear antigens extractable by saline; it is found in many disease states, including SLE and scleroderma. When antibodies to DNA and deoxyribonucleoprotein are present (rim and homogenous pattern), there may be interference with the detection of speckled pattern.

Does lupus cause weight gain?

Muscle pain — Muscle pain or tenderness is common in people with lupus; rarely, some people also notice muscle weakness. Weight changes — Lupus can sometimes cause weight loss or weight gain.

What kind of doctor can diagnose lupus?

Many people who have (or suspect they have) lupus see a rheumatologist (or pediatric rheumatologist if a child or teen). This type of doctor specializes in diagnosing and treating diseases of the joints and muscles.

Is a speckled ANA pattern normal?

Speckled patterns were the most common patterns. Yilmaz et al.¹¹ reported homogenous pattern in more than half of their patients. In this study, significant associations were found between ANA positivity and RA, SLE and Raynaud phenomenon.