Dengue IgM Antibody By CLIA - Serum Test

Dengue igm test is done for diagnosis of dengue infection. It should ideally be done after 3 days of development of symptoms in patient. Most patients will develop IgM antibodies against dengue by day 3 post primary infection. However, when the patient has dengue for the second time (secondary dengue) the IgM antibodies rise is not significant or may be absent while IgG antibodies develop.
Patients, post first infection with a different serotype of dengue virus can develop severe form of disease with the following symptoms: abdominal pain, persistent vomiting, bleeding from nose, gums, blood in stool and restlessness.

Dengue igm test detects presence of dengue virus in the blood

This examination is used to detect the presence of the dengue virus in the blood.

The blood sample is taken from a vein in your arm, using a small needle. After the needle is inserted, a small amount of blood will be collected into a test tube or vial. You may feel a  little sting when the needle goes in or out. This usually takes less than five minutes.

A sample of blood will be taken from a vein in your arm using a needle. An elastic band will be tied tightly to the upper arm. Your skin will get disinfected with cotton soaked in alcohol. The healthcare provider inserts the needle into your vein just above your elbow to collect your blood. The test tube or vial is filled with a small volume of blood. Whenever the needle is placed or removed, you could experience a slight sting. The healthcare provider then puts clean cotton over the punctured area. 

Negative

A positive IgM result is consistent with exposure to dengue virus. Time of collection of sample is important for interpretation of results. Patients with secondary dengue (at risk of severe dengue) may not develop IgM antibodies early on in the disease or develop them at day 5. The IgM antibody levels may remain detectable till 6 months post infection
A negative IgM test can result if sample is collected early on in the primary infection. A timely collected sample with negative result means lack of exposure to dengue virus in immunocompetent person or secondary dengue infection

People who show signs of dengue fever or have just been subjected to the infection should do the dengue IgM test. The initial symptoms of dengue fever resemble those of other illnesses, including malaria, making it difficult to diagnose the sickness without utilizing scientific tests.

If you have a high-grade fever as well as other dengue-related flu-like symptoms, your doctor would suggest an IgM test. Typically, it is advised during dengue outbreaks and the monsoon season.

To make it simpler for both you and the specialist who is going to draw the blood, it is advised that you wear a sleeveless or short-sleeved shirt. It's also acceptable to wear a garment with full sleeves that can be readily pulled up.

Symptoms might appear 4 days to 2 weeks after already being infected by anopheles mosquitoes and remain for up to 7 days. There may also be post-fever bruises, gastrointestinal problems like vomiting and nausea, or respiratory problems including difficulty in breathing. Dehydration, severe bleeding, and shock can result from untreated DHF. It is best to consult your doctor if you have persistent fevers and the medication does not work.

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