Understanding Dengue Fever: Symptoms, Diagnosis, Treatment, and Prevention

Dengue fever is a serious mosquito-borne disease caused by the dengue virus. It is prevalent in tropical areas worldwide, with an estimated 400 million infections occurring each year. In this article, we'll help you understand the symptoms, diagnosis, treatment, and prevention of dengue fever.

What is Dengue Fever?

Dengue fever is a painful, debilitating disease transmitted by the bite of an infected Aedes mosquito. There are four closely related dengue viruses that can cause the disease. These viruses are related to those responsible for West Nile infection and yellow fever.

Symptoms of Dengue Fever

Symptoms typically appear four to six days after infection and can last up to 10 days. These may include:

  • Sudden, high fever

  • Severe headaches

  • Pain behind the eyes

  • Severe joint and muscle pain

  • Fatigue

  • Nausea and vomiting

  • Skin rash (appearing two to five days after the onset of fever)

  • Mild bleeding (nose bleeds, bleeding gums, or easy bruising)

Diagnosing Dengue Fever

Doctors can diagnose dengue fever with a blood test that checks for the virus or antibodies to it. If you become ill after traveling to a tropical area, inform your doctor so they can evaluate the possibility of a dengue infection.

Treatment for Dengue Fever

There is no specific medicine to treat dengue fever. If you suspect you have the disease, follow these steps:

  1. Use pain relievers containing acetaminophen and avoid medicines with aspirin, which could worsen bleeding.

  2. Rest and drink plenty of fluids.

  3. See your doctor for proper evaluation and guidance.

  4. If your condition worsens within 24 hours after your fever subsides, seek immediate medical attention to check for complications.

Preventing Dengue Fever

The best way to prevent dengue fever is to avoid bites from infected mosquitoes, especially in tropical areas. To protect yourself:

  • Use mosquito repellents, even indoors.

  • Wear long-sleeved shirts and long pants tucked into socks when outdoors.

  • Use air conditioning when indoors, if available.

  • Ensure window and door screens are secure and free of holes.

  • Use mosquito nets when sleeping in unscreened or non-air-conditioned areas.

To reduce the mosquito population, eliminate potential breeding sites such as old tires, cans, or flower pots that collect rainwater. Regularly change the water in outdoor bird baths and pets' water dishes.

Although a vaccine called Dengvaxia is approved for use in adolescents aged 9 to 16 who have already been infected with dengue, there is currently no vaccine available to prevent the general population from contracting the disease.

If you experience symptoms of dengue fever, consult your doctor for proper diagnosis and treatment. By understanding the disease and taking preventive measures, you can protect yourself and your family from this painful mosquito-borne illness.