Dr. Siri Kamath

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Dengue fever is a mosquito-borne viral infection prevalent in tropical and subtropical regions. This comprehensive guide explores the causes, symptoms, preventive measures, and available treatments for dengue.

Causes of Dengue:

Dengue is caused by the dengue virus, primarily transmitted to humans through the bite of infected Aedes mosquitoes, mainly Aedes aegypti.

Symptoms of Dengue:

  1. High Fever: Sudden onset of a high fever is a hallmark symptom.
  2. Severe Headaches: Intense headaches, often accompanied by pain behind the eyes.
  3. Pain Behind the Eyes: Eye pain, particularly when moving the eyes.
  4. Joint and Muscle Pain: Aching muscles and joints are common.
  5. Skin Rash: Rashes may appear on the body a few days after the onset of fever.
  6. Mild Bleeding: Certain people might encounter slight bleeding, like nosebleeds or gum bleeding.

Preventive Measures for Dengue:

  1. Mosquito Control: Eliminate breeding sites by reducing standing water and using mosquito repellents.
  2. Protective Clothing: Wear long sleeves and pants, and use mosquito nets to reduce mosquito bites.
  3. Window and Door Screens: Install screens to prevent mosquitoes from entering living spaces.
  4. Community Efforts: Engage in community efforts to control mosquito populations through proper waste disposal and sanitation.

Treatment for Dengue:

  1. Hydration: Adequate fluid intake prevents dehydration, especially during fever.
  2. Pain Relievers: Acetaminophen can be used to manage fever and alleviate pain.
  3. Rest: Ample rest helps the body recover and combat the virus.

Severe Dengue and Hospitalization:

In severe cases, dengue can progress to a more critical condition known as severe dengue or hemorrhagic fever. Symptoms include severe abdominal pain, persistent vomiting, bleeding, and organ failure. Immediate medical attention and hospitalization are essential for proper management.


Understanding dengue’s causes, symptoms, and preventive measures is crucial in regions where the virus is prevalent. Mosquito control, protective measures, and community engagement are pivotal in preventing dengue outbreaks. Prompt medical attention and supportive care are vital for individuals diagnosed with dengue, especially in severe cases. Staying informed and taking proactive steps contribute to the collective effort to combat and minimize the impact of dengue fever.

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