Toxoplasma gondii - IgG
What is Toxoplasma gondii - IgG?
It is a blood test to detect the presence of IgG antibodies produced in the body in response to a disease called toxoplasmosis caused by Toxoplasma gondii infection. IgG antibodies appear after the the disapperance of IgM antibodies. They indicate an exposure to the infection in past.
Toxoplasmosis has flu like symptoms including fever, nausea, headache, muscle pain and sore throat. Eating raw or undercooked meat from an infected animal, handling an infected cat or its feces and contaminated soil can cause this infection. It may also be transmitted during pregnancy through placenta to the fetus.
Pregnant women, unborn babies and immunocompromised patients have a greater likelihood of getting infected.
Why is Toxoplasma gondii - IgG done?
- To help in diagnosis when symptoms of toxoplasmosis appear in pregnant women or immunocompromised people, including flu like symptoms of fever, headache, sore throat, weakness, swollen lymph nodes, etc.
- When an exposure to the pathogen is suspected and symptoms are yet undetermined
- To determine if a person has been previously infected
- To determine if complications are due to an active Toxoplasma infection