Understanding Lab Tests for Toxoplasmosis
Written by Private MD Labs Medical Writing Team • Last Updated: September 8, 2025
Toxoplasmosis is an infection caused by the parasite Toxoplasma gondii. While many people infected with this parasite may not experience symptoms, the infection can be serious for pregnant women and individuals with compromised immune systems. Blood testing is essential for diagnosing toxoplasmosis and determining immunity status.
Recommended Test
Toxoplasma Antibody (IgG)
This test detects IgG antibodies against Toxoplasma gondii in your blood, indicating whether you have been infected with the parasite either recently or in the past. The presence of these antibodies shows that your immune system has responded to the infection. This test is particularly important for pregnant women to assess risk to the developing baby, and for individuals with weakened immune systems who may be at higher risk for complications.
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Diagnosing Toxoplasmosis
Since toxoplasmosis often presents with mild or no symptoms in healthy individuals, laboratory testing is crucial for accurate diagnosis. Blood tests can detect antibodies that your immune system produces in response to the Toxoplasma gondii parasite, helping determine if you have been infected and your current immunity status.
Who Should Consider Testing
Testing for toxoplasmosis is especially important for pregnant women, as the infection can be transmitted to the developing fetus and cause serious complications. Individuals with compromised immune systems, such as those with HIV/AIDS or undergoing immunosuppressive therapy, should also consider testing as they are at higher risk for severe complications from toxoplasmosis.
Important Considerations
The information here is for educational purposes only and is not a substitute for professional medical advice. Always consult with a healthcare provider for diagnosis and treatment.
