Doctor's Assessment Included
Every result includes a professional assessment from a BIG-registered doctor. For treatment decisions, discuss your results with your GP.
Dengue Virus NS1
A Dengue NS1 test detects the NS1 (non-structural protein 1) antigen of the dengue virus in your blood. This test is particularly useful for early detection during the first few days of illness, before antibodies have developed.
What It Measures
This test detects the NS1 antigen, a viral protein secreted by dengue virus-infected cells during the acute phase of infection. NS1 can be detected in the blood from the first day of fever onset up to approximately nine days. The test provides a qualitative result indicating whether the NS1 antigen is present.
Why It Matters
The NS1 test enables early diagnosis of dengue infection, even before the immune system has produced detectable antibodies. Early detection allows for timely clinical management and monitoring for complications. This is especially important in dengue-endemic regions where prompt diagnosis can guide appropriate care. Results should be interpreted by a healthcare professional.
When to Test
Testing is most valuable during the first one to five days of fever onset in individuals who have recently visited dengue-endemic areas. The NS1 antigen may become undetectable after approximately nine days. Consult a healthcare professional for guidance on testing timing.
Lifestyle Tips
Take preventive measures against mosquito bites in endemic areas. If you develop sudden high fever after travelling to a dengue-endemic region, seek medical attention promptly. Stay hydrated and avoid self-medication with aspirin or ibuprofen. Rest and monitor your symptoms closely during the acute phase.