What is Dengue Antigen?
This test is used for the qualitative detection of Dengue Virus NS1 antigen as an aid to the diagnosis of Acute Dengue infection. NS1 antigen is a nonstructural protein found in infected patients from 1st day of fever upto 5 days after the onset of fever.
Why is Dengue Antigen done?
- If you have signs or symptoms of dengue fever like sudden high fever, severe headaches or pain behind the eye, joint or bone pains, easy bruising or gum and nose bleeds
Interpreting Dengue Antigen results
- Since the dengue antibodies take 5 or more days to appear after fever, therefore detection of dengue antigen can lead to early diagnosis of disease even on the first day and therefore can help in preventing complications
- Positive dengue antigen test indicates dengue fever