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How is dengue fever diagnosed?

Dengue fever is diagnosed by assessing your symptoms, reviewing places you have visited, and confirming the diagnosis with a blood sample. It is important to inform your doctor if you have any recent mosquito bites or have been in areas that have mosquitoes. It is necessary to disclose travel to tropical and subtropical areas such as Africa, the Caribbean, Southeast Asia, Australia or Latin America. It is also relevant to let your doctor know if you have had dengue fever in the past.


If your doctor suspects dengue fever, they will order a panel of blood tests to look for evidence of the virus in your blood. Common blood tests ordered for dengue fever include tests for antibodies to the virus and a complete blood count.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.