Dengue fever

Dengue fever (DF), caused by dengue virus, is an arboviral disease characterized by an initial non-specific febrile illness that can sometimes progress to more severe forms manifesting capillary leakage and hemorrhage (dengue hemorrhagic fever, or DHF) and shock (dengue shock syndrome, or DSS).

Hyponatremia

An abnormally decreased sodium concentration in the blood.


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PMID (PMCID)
16224633
 FEMALE Adult
Hemorrhagic encephalopathy in dengue shock syndrome: a case report.
de Souza LJ, Martins AL, Paravidini PC, Nogueira RM, Gicovate Neto C, Bastos DA, Siqueira EW, Carneiro Rda C.
Braz J Infect Dis. 2005;9(3):257-61.
Encephalopathy is a rare complication of dengue virus infection and may occur as a consequence of intracranial hemorrhage, cerebral edema, hyponatremia, cerebral anoxia, fulminant hepatic failure with portosystemic encephalopathy, microcapillary hemorrhage or release of toxic products.
8600761
 MALE Infant
Dengue encephalitis: a true entity?
Lum LC, Lam SK, Choy YS, George R, Harun F.
Am J Trop Med Hyg. 1996;54(3):256-9.
Involvement of the central nervous system in dengue fever and dengue hemorrhagic fever has always been thought to be secondary to vasculitis with resultant fluid extravasation, cerebral edema, hypoperfusion, hyponatremia, liver failure, and/or renal failure.