Dengue virus causes fever

Dengue Virus Causes Fever

Dengue virus is a mosquito-borne virus that causes dengue fever, a flu-like illness that can sometimes develop into a potentially life-threatening complication called dengue hemorrhagic fever.

Dengue fever is a common infection in tropical and subtropical countries, with an estimated 390 million infections occurring each year. The virus is transmitted to humans through the bite of an infected Aedes mosquito. After being bitten, it takes about 4-10 days for symptoms to appear.

The most common symptoms of dengue fever include:

Sudden onset of high fever (104-106 degrees Fahrenheit)

Severe headache

Pain behind the eyes

Muscle and joint pain

Fatigue

Nausea and vomiting

Rash

Bleeding gums or nosebleeds

In most cases, dengue fever is a mild illness that resolves within a week or two. However, in some cases, dengue fever can develop into dengue hemorrhagic fever (DHF), a more severe form of the disease that can be life-threatening.

DHF is characterized by the following symptoms:

High fever

Bleeding from the nose, gums, or other parts of the body

Swelling of the lymph nodes

Abdominal pain

Vomiting

Diarrhea

Restlessness

Confusion

DHF is a medical emergency and requires immediate treatment. If you think you may have DHF, seek medical attention immediately.

There is no specific treatment for dengue fever or DHF. Treatment is supportive and includes:

Rest

Fluids

Pain relievers

Antipyretics (fever reducers)

In severe cases, hospitalization may be necessary

Prevention is the best way to avoid dengue fever and DHF. The following steps can help reduce your risk of infection:

Use mosquito repellent when outdoors, especially during the day and early evening

Wear long sleeves and pants when possible

Use mosquito nets when sleeping

Empty standing water around your home, where mosquitoes can breed

Fix any holes in screens or windows

Keep your home clean and free of clutter

If you are traveling to a tropical or subtropical country, talk to your doctor about getting vaccinated against dengue fever. The vaccine is not 100% effective, but it can reduce your risk of infection.

How Does Dengue Virus Cause Fever?

Dengue virus causes fever by infecting and destroying cells in the body. The virus enters the body through the bite of an infected mosquito and then travels to the lymph nodes, where it begins to replicate. From there, the virus spreads to other parts of the body, including the liver, spleen, and bone marrow.

As the virus replicates, it damages cells and releases toxins into the bloodstream. These toxins can cause a variety of symptoms, including fever, headache, muscle pain, and fatigue. In severe cases, the virus can also damage blood vessels and organs, leading to dengue hemorrhagic fever.

Treatment for Dengue Fever

There is no specific treatment for dengue fever. Treatment is supportive and includes:

Rest

Fluids

Pain relievers

Antipyretics (fever reducers)

In severe cases, hospitalization may be necessary

Most people with dengue fever will recover within a week or two. However, in some cases, dengue fever can develop into dengue hemorrhagic fever (DHF), a more severe form of the disease that can be life-threatening.

DHF is characterized by the following symptoms:

High fever

Bleeding from the nose, gums, or other parts of the body

Swelling of the lymph nodes

Abdominal pain

Vomiting

Diarrhea

Restlessness

Confusion

DHF is a medical emergency and requires immediate treatment. If you think you may have DHF, seek medical attention immediately.

Prevention of Dengue Fever

Prevention is the best way to avoid dengue fever and DHF. The following steps can help reduce your risk of infection:

Use mosquito repellent when outdoors, especially during the day and early evening

Wear long sleeves and pants when possible

Use mosquito nets when sleeping

Empty standing water around your home, where mosquitoes can breed

Fix any holes in screens or windows

Keep your home clean and free of clutter

If you are traveling to a tropical or subtropical country, talk to your doctor about getting vaccinated against dengue fever. The vaccine is not 100% effective, but it can reduce your risk of infection.

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