Dengue Fever Antibody (IgM) Blood Test
The Dengue Fever Antibody (IgM) Blood Test detects and measures IgM antibodies in the blood to help diagnose dengue fever.
What is the purpose of this test?
Order this Dengue Fever Antibody (IgM) Blood Test, which detects and measures IgM antibodies in the blood to help diagnose dengue fever. Dengue fever is a viral infection transmitted through mosquitoes in tropical and subtropical areas. Over 100 countries worldwide have reported cases, with an estimated 50 to 100 million symptomatic cases occurring annually. Dengue is an endemic virus in certain areas, and most cases in the US occur in travelers returning from these areas or people living in specific territories. Symptoms range from no symptoms to mild illness, with a sudden high fever and flu-like symptoms being the most common initial symptoms. Severe cases may require hospitalization to manage falling blood pressure and dehydration. Dengue fever can progress to severe forms, such as Dengue Hemorrhagic Fever, which can be fatal if left untreated.
Dengue fever testing is a method used to determine if a person recently exposed to the virus has been infected. Diagnosing this infection can be difficult because symptoms at first may be similar to those of other diseases such as chikungunya infection. The IgM antibody test is used to help diagnose a current or recent infection. This test detects IgM antibodies that the body produces in response to a dengue fever infection. The most effective time to perform this test is at least 7-10 days after exposure, as IgM antibodies are produced first. The levels of these antibodies in the blood will increase for a few weeks before gradually decreasing.
When should I order a Dengue Fever Antibody (IgM) Blood Test?
Individuals may order this test if they have experienced symptoms related to dengue fever. Common signs or symptoms of dengue fever may include:
- Sudden high fever
- Severe headache
- Pain behind the eyes
- Joint, muscle, and bone pain
- Gum and nose bleeds
- Easy bruising
- Low white blood cell count
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