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🧪 What is Toxoplasma gondii IgM Test?

The Toxoplasma gondii IgM test detects IgM antibodies against Toxoplasma gondii, a protozoan parasite responsible for toxoplasmosis. IgM antibodies typically indicate recent or acute infection.

❓ Why is the Test Done?

To:

Diagnose acute or recent Toxoplasma infection, especially in symptomatic patients
Screen pregnant women to assess risk of congenital transmission
Evaluate patients with immunosuppression who may have reactivation or new infection
Guide treatment decisions in high-risk groups

📊 Normal Range / Interpretation

Result	Interpretation
Negative	No evidence of recent infection
Positive	Suggests recent or acute infection

📈 Interpretation of Results

Result	Clinical Significance
Positive IgM	Recent or acute toxoplasmosis infection
Negative IgM	No recent infection; past exposure possible
IgM persistence	IgM antibodies can persist for months; confirm with IgG and avidity tests

🧠 Associated Conditions

Condition	Details
Congenital toxoplasmosis	Infection transmitted from mother to fetus
Immunocompromised patients	Reactivation causing encephalitis, systemic disease
Acute toxoplasmosis	Flu-like symptoms, lymphadenopathy

🔄 Related / Follow-Up Tests

Toxoplasma IgG antibodies – assess past exposure
IgG avidity test – differentiate recent vs past infection
PCR for Toxoplasma DNA – detect active infection
Ultrasound or MRI – in fetal or CNS involvement

✅ Fasting Required?

Test	Fasting Required
Toxoplasma gondii IgM	❌ No

📝 Summary Table

Parameter	Details
What	Detects IgM antibodies indicating recent toxoplasma infection
Why	Diagnose acute toxoplasmosis, especially in pregnancy and immunosuppression
Normal Result	Negative for IgM antibodies
Positive Result	Suggests recent or acute infection
Associated Conditions	Congenital toxoplasmosis, immunocompromised infection
Follow-up Tests	IgG, IgG avidity, PCR, imaging
Fasting Required	❌ No

TOXOPLASMA GONDII - IgM

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