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IgM Antibodies
IgM (Immunoglobulin M) is a type of antibody that acts as the body’s initial defence against infections. It plays a crucial role in the immune system’s early response by rapidly recognising and targeting invading pathogens. In diagnostic testing, IgM levels are measured to identify recent infections, such as Lyme disease caused by Borrelia burgdorferi. The presence of IgM antibodies in the blood usually indicates recent exposure or an active infection, providing valuable information about the early phases of the immune response.
Description
What is the significance of IgM testing in Lyme disease?
IgM testing is important in the diagnosis of Lyme disease as it helps detect early infection. IgM antibodies to Borrelia burgdorferi typically appear within a few weeks of infection, making this test useful for identifying recent exposure to the tick-borne bacterium.
Who should undergo IgM testing for Lyme disease?
Individuals who have been bitten by a tick or have been in areas where Lyme disease is common and present with symptoms such as fever, rash (erythema migrans), fatigue, and joint pain should undergo IgM testing. Early detection is crucial for effective treatment.
How are results from an IgM test used in managing Lyme disease?
Positive IgM results, especially when combined with symptoms and possible tick exposure, usually lead to prompt treatment with antibiotics. Early treatment is crucial to prevent the progression of Lyme disease to more severe stages that can affect the joints, heart, and nervous system.
What can cause false-positive results in IgM tests for Lyme disease?
False positives in IgM tests can occur due to cross-reactivity with other bacteria, previous infections, or certain autoimmune disorders. This is why positive results from an IgM test are usually confirmed with additional testing, such as the IgG antibody test or Western blot.
Tests containing this item
GetTested’s Lyme Disease Test (IgG/IgM) is a rapid test designed for the qualitative detection of antibodies against Borrelia burgdorferi in blood samples. The test detects both IgM and IgG antibodies, providing an indication of either a current or past exposure to the bacteria. Results are available within approximately 10 minutes.
24.99 GBP
