Why do I need a dengue fever test?You may need this test if you live or have recently traveled to an area where dengue is common, and you have symptoms of dengue fever. Symptoms usually show up four to seven days after being bitten by an infected mosquito, and may include:Sudden high fever (104°F or higher)Swollen glandsRash on the faceSevere headache and/or pain behind the eyesJoint and muscle painNausea and vomitingFatigueDengue hemorrhagic fever (DHF) causes more severe symptoms and can be life-threatening. If you've had symptoms of dengue fever and/or have been in an area that has dengue, you may be at risk for DHF. Seek medical help immediately if you or your child has one or more of the following symptoms:Severe abdominal painVomiting that doesn't go awayBleeding gumsNose bleedsBleeding under the skin, which may look like bruisesBlood in urine and/or stoolsDifficulty breathingCold, clammy skinRestlessness
