What is Dengue fever ?

Dengue fever is an acute infectious disease caused by the dengue virus and is mainly spread through mosquito bites. Symptoms of dengue fever include fever, headache, muscle and joint pain, rash, and bleeding tendencies. Severe dengue fever can cause thrombocytopenia and bleeding, which can be life-threatening.

The most effective way to prevent dengue fever is to avoid mosquito bites, including using mosquito repellent, wearing long-sleeved clothes and pants, and using mosquito nets indoors. In addition, dengue vaccine is also an important means to prevent dengue fever.

If you suspect you have dengue fever, you should seek medical treatment promptly and receive medical treatment and guidance. In some areas, dengue fever is an epidemic, so it is best to understand the epidemic situation at your destination before traveling and take appropriate preventive measures

Symptoms of dengue fever 

Symptoms of dengue fever usually appear about 4 to 10 days after infection and include the following:

1. Fever: Sudden fever, usually lasting 2 to 7 days, with temperatures reaching 40°C (104°F).
2. Headache and eye pain: Infected people may experience severe headache, especially pain around the eyes.
3. Muscle and joint pain: Infected people may experience significant muscle and joint pain, usually when fever begins.
4. Skin rash: Within 2 to 4 days after fever, patients may develop a rash, usually on the limbs and trunk, showing a red maculopapular rash or rash.
5. Bleeding tendency: In some severe cases, patients may experience symptoms such as nose bleeding, gum bleeding, and subcutaneous bleeding.

These symptoms may cause patients to feel weak and tired. If similar symptoms occur, especially in areas where dengue fever is endemic or after travel, it is recommended to seek medical attention promptly and inform the doctor of possible exposure history.

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