dengue question...

why is there a sudden drop in temperature during the third to fourth day of having dengue? first 3 days of having fever then normal temperature then high fever again? why does the temperature suddenly drops?

during the period of abatement of fever, the patient should be monitored closely because this is the period wherein the client is prone to bleeding. below info is the explanation why.

according to emedicine: dengue hemorrhagic fever or dengue shock syndrome usually develops around the third to seventh day of illness, approximately at the time of defervescence. the major pathophysiological abnormalities caused by dengue hemorrhagic fever and dengue shock syndrome include plasma leakage and bleeding. plasma leakage is caused by increased capillary permeability and may manifest as hemoconcentration, as well as pleural effusion and ascites. bleeding is caused by capillary fragility and thrombocytopenia and may manifest in various forms, ranging from petechial skin hemorrhages to life-threatening gastrointestinal bleeding.