A dengue blood test is only suggested if the patient is showing symptoms that exhibit dengue fever infection or has been to different areas categorized as dengue hotbeds. The most common symptoms for dengue include sudden high fever (104 degrees Fahrenheit), fatigue, vomiting, inflamed glands, face rash, joint & muscle aches, and nausea. The symptoms usually start to showcase seven days after a dengue-infected mosquito has bitten the patient. When patients are infected with dengue, the tendency to show mild symptoms is when a doctor’s advice is very much mandatory. However, if the dengue symptoms are left unchecked, it can quickly lead to Dengue Hemorrhagic Fever (DHF), the worst form of dengue and a life-threatening condition. The Dengue blood test helps locate the antibodies built to fight against it or the existence of the virus. Therefore, we advise you to contact a doctor immediately if you prohibit dengue symptoms or if you have traveled to a tropical destination such as the Caribbean, Southeast Asia, the Pacific Islands, Taiwan, Southern China, and Africa.
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Dengue is detected through a lab test. The type of blood test conducted depends on the time of infection and the appearance of the symptoms.
The clinical presentation of dengue patients is acute febrile. There are no localizing signs and symptoms mimicking other infections. And hence, the laboratory tests such as the complete blood count (CBC), blood culture, or serological test need to be used to differentiate and diagnose correctly.
Positive IgM and IgG test for dengue antibodies in the initial blood sample indicate the possibility of the person being infected with the dengue virus within recent weeks. IgM antibody test results can come positive if a person has been infected with a similar virus, say chikungunya.