What is the Toxoplasma Antibody (IgG) Test?
The Toxoplasma Antibody (IgG) test is used to determine whether your body has been exposed to the Toxoplasma gondii parasite. This test looks for IgG antibodies, which your immune system produces after infection. Interestingly, IgG antibodies can remain detectable for years, offering insight into past exposure rather than just recent infection.
Why is the Toxoplasma Antibody (IgG) Test Important?
Testing for Toxoplasma gondii exposure is crucial, especially for pregnant women, because the parasite can lead to congenital infections. What’s noteworthy is that while many healthy individuals may carry the parasite without showing symptoms, it can cause serious health issues for people with weakened immune systems, such as those with HIV/AIDS or undergoing chemotherapy.
Why Consider Ordering the Toxoplasma Antibody (IgG) Test?
Ordering this test can help you assess your past exposure to the Toxoplasma gondii parasite. It’s especially important if you’re pregnant or planning to become pregnant, as high levels of Toxoplasma IgG antibodies might indicate a prior infection that could pose risks to your baby. This test also helps doctors rule out the need for further, more invasive tests in some cases.
Labs Included in Your Order
| Test Name | Reference Range | Significance | High and Low Levels |
|---|---|---|---|
| Toxoplasma Antibody (IgG) |
|
The Toxoplasma IgG test detects past exposure to Toxoplasma gondii, a common parasitic infection. A positive result indicates immunity or past infection, important in prenatal care and immunocompromised individuals. | High: High levels of Toxoplasma IgG may indicate past infection or reactivation in immunocompromised individuals.
Low: Low levels of Toxoplasma IgG suggest no prior exposure to the parasite. |
According to PubMed, about one-third of the world’s population has been infected with Toxoplasma gondii, making it one of the most common parasitic infections globally.
Toxoplasma Antibody (IgG) FAQ
What is the Toxoplasma Antibody (IgG) test for?
This test measures the presence of IgG antibodies, which indicate past exposure to the Toxoplasma gondii parasite. It’s often used to assess immunity, particularly in pregnant women or people with weakened immune systems.
What are the signs and symptoms of Toxoplasma infection?
Most people show no symptoms, but some may experience flu-like symptoms such as fever, muscle aches, and swollen lymph nodes. In severe cases, particularly for people with compromised immune systems, it can lead to eye damage, brain inflammation, or even death.
How often should I retest for Toxoplasma Antibodies?
Retesting is usually unnecessary unless you are pregnant or immunocompromised. If you suspect recent infection or if your doctor advises, follow up testing may be recommended.
How accurate is the test?
The Toxoplasma IgG test is highly accurate for detecting past exposure. False positives are rare but can occur, particularly in individuals with other infections or autoimmune disorders.
Are test results private and confidential?
Receive test results securely on TrueHealthLabs.com under “My Account.” It’s critical that you share them with your physician. Results may be disclosed to health authorities only if legally mandated. Review our privacy policy for more details.
Medical Review Board
Reviewed by Jeff Donohue M.D. from Body Logic and Brady Hurst DC, CCCN. Written by True Health Lab’s team of editorial health contributors.
Disclaimer: This information is for educational purposes only and not intended as medical advice. Consult your healthcare provider for personalized guidance.
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