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The Initial Symptoms of Dengue Fever

Dengue fever is a mosquito-borne disease that occurs in tropical and subtropical areas of the world. Mild Dengue fever symptoms are: high fever, rash, and muscle and joint pain. The incubation period is typically 4–7 days (range, 3–14 days). Many travelers infected with Dengue virus for the first time have mild, undifferentiated febrile illness or are asymptomatic. The most common symptoms of Dengue fever are: headache, retro-orbital pain, muscle aches, joint pain, rash, hemorrhagic manifestation, or leucopenia. Other signs and symptoms of Dengue fever include flushed skin (usually during the first 24–48 hours), nausea, and vomiting. Subsequent infection with a different Dengue virus is usually associated with more severe disease, named Dengue hemorrhagic fever. A suspected case of dengue can be laboratory confirmed. You have to go to the hospital immediately if you develop any of the following warning signs: abrupt change from fever to hypothermia, severe abdominal pain, persistent vomiting, bleeding, difficulties breathing, or altered mental status (such as irritability, confusion, lethargy).