Dengue is a viral illness that is transmitted to humans through the bite of infected mosquitoes. It is caused by one of four types of the dengue virus and is prevalent in tropical and subtropical regions of the world. Dengue can range from a mild, flu-like illness to a severe, potentially life-threatening condition called dengue hemorrhagic fever.
Symptoms of dengue typically appear three to 14 days after infection and include:
In severe cases, dengue progresses to dengue hemorrhagic fever, which is characterized by bleeding, low levels of platelets, and damage to the blood vessels. Symptoms include:
Dengue is typically diagnosed based on the presence of characteristic symptoms and a history of exposure to areas where dengue is prevalent. A blood test is also used to confirm the diagnosis.
There is no specific treatment for dengue. Treatment is typically supportive and includes measures to manage symptoms, such as medications to reduce fever and pain. In severe cases, hospitalization is needed to provide supportive care, such as intravenous fluids and blood transfusions.
There are several steps that can help to reduce the risk of dengue, including:
It is also important to follow guidelines from public health authorities and to take steps to protect yourself and others from mosquito bites if you are traveling to an area where dengue is prevalent.
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