Why is Anti-La/SSB Antibody High? Causes, Symptoms, and What to Do
Explore the causes and implications of high Anti-La/SSB antibodies, often linked with autoimmune conditions like Sjögren's syndrome.
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is below the typical adult range (0–7 U/mL).
is within the typical adult range (0–7 U/mL).
is above the typical adult range (0–7 U/mL).
This number is very far from the usual range - check which unit your report uses.
A value this far outside the range is worth discussing with your doctor today.
What a low result usually means
The range printed on your own report comes first - it differs between laboratories. This is not a diagnosis.
See it next to the rest of your report - upload it for a free, private explanationFree. Sign up with your email - no password, we send you a code.Anti-La/SSB antibodies are proteins produced by the immune system that can mistakenly attack the body's own tissues. These antibodies are often associated with autoimmune conditions, particularly Sjögren's syndrome. Understanding what high levels mean can provide insight into potential health concerns and guide further testing.
What are Anti-La/SSB antibodies?
Anti-La/SSB antibodies are autoantibodies, which means they are antibodies that target the body's own proteins. They are part of the immune response and are typically associated with autoimmune diseases. In particular, they are commonly seen in Sjögren's syndrome, a condition where the immune system attacks the glands that produce moisture, such as saliva and tears.
Causes of high Anti-La/SSB antibody levels
High levels of Anti-La/SSB antibodies are most commonly linked to autoimmune diseases. Sjögren's syndrome is the primary condition associated with these antibodies. However, they can also be present in other autoimmune conditions such as systemic lupus erythematosus (SLE) and rheumatoid arthritis. The presence of these antibodies suggests an ongoing immune response against the body's tissues.
Symptoms associated with high Anti-La/SSB antibodies
The symptoms related to high Anti-La/SSB antibody levels depend on the underlying condition. In the case of Sjögren's syndrome, common symptoms include dry eyes, dry mouth, and fatigue. Other symptoms might include joint pain, swelling, or stiffness, and skin rashes. If these antibodies are associated with another autoimmune condition, symptoms can vary widely.
Understanding your test results
Anti-La/SSB antibody levels are measured in units per milliliter (U/mL). Typically, a negative result is less than 7 U/mL, but this can vary depending on the specific assay used. It's important to note that these antibodies are usually seen together with anti-Ro/SSA antibodies, which can provide additional context for diagnosis.
Frequently asked questions
What does a positive Anti-La/SSB antibody test mean?
A positive test indicates the presence of these antibodies, which is commonly associated with autoimmune conditions like Sjögren's syndrome. It suggests that your immune system may be attacking your own tissues.
Can Anti-La/SSB antibodies be high without symptoms?
Yes, some individuals may have high levels of these antibodies without noticeable symptoms. However, it's essential to monitor for any developing symptoms over time.
Are Anti-La/SSB antibodies specific to Sjögren's syndrome?
While they are strongly associated with Sjögren's syndrome, these antibodies can also appear in other autoimmune diseases, such as lupus and rheumatoid arthritis.
When to see a doctor
If you receive a test result showing high Anti-La/SSB antibody levels, it is advisable to consult a healthcare provider. They can help interpret the results in the context of your symptoms and medical history. It's particularly important to seek medical advice if you experience symptoms like dry eyes, dry mouth, or unexplained fatigue, as these may indicate Sjögren's syndrome or another autoimmune condition.
Decisions about your health should always be made in consultation with your healthcare provider.