Brucella IgG & IgM Antibody, serum

Brucella IgG & IgM Antibody, Serum

Test Overview

The Brucella IgG & IgM Antibody Test is a blood test used to detect antibodies against Brucella bacteria, which cause brucellosis — a bacterial infection transmitted from infected animals or contaminated dairy products.

This test helps identify both:

• IgM antibodies – indicate recent or active infection
• IgG antibodies – suggest past exposure or ongoing/chronic infection

Why This Test is Done

Doctors may recommend this test if symptoms of brucellosis are present, such as:

• Persistent fever
• Night sweats
• Joint or muscle pain
• Fatigue and weakness
• Headache
• Loss of appetite
• Back pain

It is especially useful for individuals with:

• Exposure to livestock or farm animals
• Consumption of unpasteurized milk or dairy products
• Occupational risk (veterinarians, farmers, lab workers)

Sample Required

• Sample Type: Serum
• Method: Immunoassay / Serology

Preparation

• No special fasting required unless advised by your physician.

Interpretation

• IgM Positive: May indicate recent or acute Brucella infection
• IgG Positive: May indicate past exposure or chronic infection
• Both Positive: Suggests active or ongoing infection
• Negative Result: No detectable antibodies at the time of testing

Clinical correlation and additional confirmatory tests may be recommended by the physician.

Benefits of the Test

• Early detection of brucellosis
• Helps monitor infection status
• Supports timely treatment decisions
• Useful in occupational exposure screening

Reporting Time

• Typically within 24–72 hours

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