Why is Anti-dsDNA Antibodies High? Causes, Symptoms, and What to Do
High anti-dsDNA antibodies may indicate lupus and track disease activity. Learn about causes, symptoms, and when to consult a doctor.
Check your result
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is below the typical adult range (0–30 IU/mL).
is within the typical adult range (0–30 IU/mL).
is above the typical adult range (0–30 IU/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-dsDNA antibodies are a type of antibody that targets double-stranded DNA, a molecule found in the cells of your body. These antibodies are mainly associated with autoimmune conditions, particularly systemic lupus erythematosus (SLE), commonly known as lupus. Monitoring their levels can provide insights into disease activity and help guide treatment.
What are Anti-dsDNA Antibodies?
Anti-dsDNA antibodies are part of the immune system's response but can mistakenly attack the body's own tissues. They are highly specific for lupus, meaning that their presence is a strong indicator of this condition. However, they can also be found in other autoimmune diseases, albeit less commonly.
Why Are Anti-dsDNA Antibodies Important?
The presence of anti-dsDNA antibodies is significant because it helps in diagnosing lupus. They are not only specific to lupus but can also correlate with disease activity. This means that higher levels may indicate an active phase of the disease, while lower levels might suggest remission.
Causes of High Anti-dsDNA Antibodies
While lupus is the primary condition associated with high anti-dsDNA antibodies, other factors can contribute to elevated levels. These include:
- Other autoimmune diseases: Conditions like Sjögren's syndrome or mixed connective tissue disease can sometimes show elevated levels.
- Infections: Certain viral or bacterial infections can temporarily increase these antibodies.
- Medications: Some drugs can induce lupus-like symptoms and cause an increase in anti-dsDNA antibodies.
Symptoms Associated with High Anti-dsDNA Antibodies
If you have high levels of anti-dsDNA antibodies, you may experience symptoms related to lupus, such as:
- Fatigue
- Joint pain or swelling
- Skin rashes, particularly across the cheeks and nose (often called a butterfly rash)
- Sensitivity to sunlight
- Kidney problems
Reading Your Anti-dsDNA Antibody Test
Typically, a result of less than 30 IU/mL is considered negative, but this can vary depending on the assay used. A positive result is highly specific for lupus. It is important to discuss your test results with your healthcare provider to understand what they mean for you, as there is no single adult reference range for this marker.
Frequently Asked Questions
What does a positive anti-dsDNA antibody test mean?
A positive test is highly specific for lupus and may indicate active disease. However, it should be interpreted in the context of other clinical findings.
Can infections cause high anti-dsDNA antibodies?
Yes, certain infections can temporarily raise these antibody levels, but they usually return to normal after the infection resolves.
Are there any lifestyle changes that can help manage high anti-dsDNA antibodies?
While lifestyle changes alone cannot manage antibody levels, maintaining a healthy diet, regular exercise, and stress management can support overall health.
When to see a doctor
If you receive a positive anti-dsDNA antibody test result or experience symptoms like persistent fatigue, joint pain, or skin rashes, it is important to consult your healthcare provider. They can help determine whether these antibodies are related to lupus or another condition and guide you on the appropriate treatment.
Disclaimer: This article provides information to help you understand your lab results. Always consult your healthcare provider for medical advice and decisions.