1. Dengue is a viral infection caused by the dengue virus (DENV), transmitted to humans through the bite of infected mosquitoes.
2. About half of the world's population is now at risk of dengue with an estimated 100–400 million infections occurring each year.

Dengue fever, also known as “breakbone fever,” is a mosquito-borne viral infection caused by the Dengue virus. It is prevalent in tropical and subtropical regions, including parts of Asia, Africa, and the Americas. Let’s delve into the details of Dengue fever, its symptoms, preventive measures, diagnostic tests, and steps to take once it’s confirmed.

Symptoms of Dengue Fever:

  • Mild Symptoms:
    • Sudden onset of very high fever (around 104°F or 40°C).
    • Aching muscles and joints.
    • Rash.
    • Pain behind the eyes.
    • Nausea and vomiting.
    • Facial flushing.
    • Sore throat.
    • Headache.
    • Red eyes.
    • These symptoms typically last 2–7 days, and most people recover within a week.
  • Severe Symptoms:
    • Between 0.5% and 5% of cases progress to severe Dengue fever.
    • Abdominal pain or tenderness.
    • Vomiting at least three times in 24 hours.
    • Bleeding from the nose or gums.
    • Vomiting blood.
    • Blood in the stool.
    • Fatigue.
    • Restlessness or irritability.
    • Changes in body temperature (from very hot to very cold).
    • Cold, clammy skin.
    • Weak and rapid pulse.
    • Reduced difference between systolic and diastolic blood pressure.
    • Immediate medical attention is crucial for severe symptoms, as they can indicate Dengue shock syndrome (DSS) or Dengue hemorrhagic fever (DHF), both of which are potentially fatal.

When to see a doctor

Severe dengue fever is a life-threatening medical emergency. Seek immediate medical attention if you’ve recently visited an area in which dengue fever is known to occur, you have had a fever and you develop any of the warning signs. Warning signs include severe stomach pain, vomiting, difficulty breathing, or blood in your nose, gums, vomit or stools.

If you’ve been traveling recently and develop a fever and mild symptoms of dengue fever, call your doctor now!!!!


Preventive Measures:

  1. Avoid Mosquito Bites:
    • Use mosquito repellents.
    • Sleep under mosquito nets.
    • Wear protective clothing (long sleeves, pants).
    • Apply insecticides to open water sources.
    • Drain stagnant water to prevent mosquito breeding.
  2. Stay Hydrated:
    • Dengue can cause dehydration. Drink plenty of fluids regularly.
  3. Boost Immunity:
    • Consume immunity-boosting fruits rich in vitamin C.
    • Drink fruit juices with vitamin C.
  4. Dengue Fever Vaccine:
    • In areas where Dengue is common, consider vaccination.
    • The FDA approved a vaccine for children aged 9–16 years who have had Dengue in the past.
  5. Seek Immediate Medical Attention:
    • If you suspect Dengue symptoms, consult a doctor promptly.
    • Diagnostic tests are essential for early recognition.
  6. Avoid Solid Foods:
    • During the acute phase, stick to fluids and soft foods.
  7. Monitor Platelet Levels:
    • Dengue can cause a decrease in platelet count. Regular monitoring is crucial.
dengue-2 Dengue Fever: First sign of Dengue Fever, Prevention, Confronting and Management

Diagnostic Tests for Dengue:

  1. Polymerase Chain Reaction (PCR):
    • Detects the virus in collected samples.
  2. Blood Test:
    • Detects antibodies to the virus.
    • Antibodies appear 5–7 days after infection.

Steps After Dengue Confirmation:

  1. Rest and Hydrate:
    • Get plenty of rest.
    • Hydrate to manage symptoms.
  2. Pain Management:
    • Use pain relievers like Tylenol or paracetamol.
  3. Monitor Platelet Count:
    • Frequent blood tests to track platelet levels.
  4. Avoid Aspirin and NSAIDs:
    • These can increase bleeding risk.
  5. Seek Medical Attention if Symptoms Worsen:
    • Severe symptoms require immediate hospitalization.
  6. Prevent Mosquito Bites:
    • Even after recovery, continue preventive measures to avoid reinfection.

Remember, early detection, supportive care, and preventive actions play a crucial role in managing Dengue fever. Stay informed, protect yourself, and seek medical help promptly if needed.

is it correct that Dengue virus causes low white blood cells

Yes, Dengue virus infection can indeed cause a decrease in white blood cell (WBC) count. During the acute phase of Dengue fever, the virus affects bone marrow function, leading to a reduction in WBCs, platelets, and red blood cells. This phenomenon is commonly observed in Dengue infections. If you suspect Dengue or experience symptoms, it’s essential to seek medical attention for proper diagnosis and management

what blood test are recommended to detect Dengue fever


To detect Dengue fever, several blood tests are recommended. These tests help identify the presence of the Dengue virus and determine the stage of infection. Here are the key blood tests used for diagnosing Dengue:

  1. Dengue NS1 Antigen Test:
    • This test detects the Dengue virus early in the course of infection, usually within the first 5 days of symptom onset.
    • The NS1 antigen starts appearing from the very first day of Dengue infection and may be present for up to 5-7 days.
    • It is performed using an enzyme-linked immunosorbent assay (ELISA).
    • High specificity and sensitivity make it a reliable diagnostic tool.
  2. Immunoglobulin M (IgM) Test:
    • IgM antibodies against the Dengue virus appear in the blood during the early course of infection (around 4-5 days after symptom onset).
    • This test measures the body’s immune response to the virus.
    • It is also done using ELISA.
    • Detectable IgM antibodies remain in the blood for approximately 12 weeks.
  3. Immunoglobulin G (IgG) Test:
    • IgG antibodies against Dengue virus appear later in the disease course.
    • This test helps detect past exposure to Dengue.
    • It is useful for assessing immunity and distinguishing between primary and secondary Dengue infections.
  4. Real-Time Polymerase Chain Reaction (RT-PCR):
    • RT-PCR detects the genetic material (RNA) of the Dengue virus.
    • It provides an early diagnosis, especially during the first 1-7 days of illness.
    • RT-PCR is highly sensitive and specific.

Remember that timely diagnosis is crucial for proper management of Dengue. If you experience symptoms like fever, muscle pain, weakness, or any other signs associated with Dengue, consult a healthcare professional promptly for appropriate testing and care. 🌡️🩸

Blood tests for low white blood cells


Low white blood cell count, also known as leukopenia, can be diagnosed through several blood tests. These tests help assess the levels of white blood cells (WBCs) and identify potential causes. Here are the recommended blood tests for checking leukopenia:

  1. Complete Blood Count (CBC):
    • A CBC provides an overall picture of your blood composition.
    • It measures the levels of WBCs, red blood cells, and platelets.
    • If your WBC count is low, further investigation is necessary.
    • Additional details about different types of WBCs can be obtained from a CBC.
  2. Dengue NS1 Antigen Test:
    • While this test is primarily used for diagnosing Dengue fever, it can also indicate leukopenia.
    • The NS1 antigen test detects the Dengue virus early in infection.
    • Low WBC levels may prompt further evaluation.
  3. Urine Tests:
    • Urine tests help determine the cause of infection.
    • Healthcare providers use them to identify underlying issues related to leukopenia.
  4. Chest X-ray:
    • If pneumonia is suspected, a chest X-ray may be ordered.
    • It helps assess lung health and any associated infections.

Remember that a low WBC count isn’t always a cause for concern. Mild leukopenia may not require treatment or cause noticeable symptoms. However, moderate or severe leukopenia warrants attention and further investigation. Always consult a healthcare professional for accurate diagnosis and appropriate management. 🩸🌡️

WBC normal blood count


The normal white blood cell (WBC) count varies based on age and health status. Here are the typical reference ranges:

Remember that these values can vary slightly depending on the laboratory and individual factors. If you have concerns about your WBC count, consult a healthcare provider for personalized advice. 🩸🌡️

Papaya leaves juice cures dengue

Papaya leaf juice has been a topic of discussion regarding its potential benefits for boosting platelet count in people suffering from Dengue. Let’s explore both sides of the argument:

  1. Positive Aspects:
    • Boosting Platelet Count: Papaya leaf juice has been scientifically proven to be beneficial for increasing platelet count in Dengue patients.
    • Red Blood Cell Production: It ensures that your red blood cells and platelets increase, which is crucial for oxygen supply to the body’s cells.
    • Quicker Recovery: Improved oxygen supply can boost the immune system, aiding quicker recovery from Dengue.
  2. Cautions and Contradictions:
    • Lack of Clear Scientific Evidence: While some believe in its efficacy, there is no clear scientific consensus on papaya leaf juice’s role in Dengue recovery.
    • Potential Reactions: Some individuals may experience adverse reactions or side effects from consuming papaya leaf juice.
    • Medical Supervision: If you decide to try papaya leaf juice, ensure it is done strictly under medical supervision.

How to Prepare Papaya Leaf Juice:

  • Wash papaya leaves thoroughly.
  • Cut off the stem and chop the leaves.
  • Add boiled and cooled water to the leaves.
  • Blend the leaves to obtain a dark-green liquid.
  • The juice has a bitter taste, so you can add a pinch of sugar or jaggery to improve it.
  • For adults, consume 30 ml of papaya juice before each meal.
  • Children should take 5 to 10 ml, but always under medical guidance.
  • Prepare fresh juice daily and avoid storing it for more than 24 hours.

In summary, while papaya leaf juice may offer benefits, it’s essential to combine it with allopathic treatment and consult a healthcare professional for personalized advice. 🌿🍹🩸



1. Thomas SJ, Strickman D, Vaughn DW. Dengue epidemiology: virus epidemiology, ecology,
and emergence. Adv Virus Res. 2003;61:235-289.


The information provided in this blog is for educational purposes only and should not be considered a substitute for professional medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider regarding any health-related concerns, including Dengue fever.

While efforts have been made to ensure the accuracy of the content, the author and publisher do not assume any responsibility for errors, omissions, or adverse effects resulting from the use of the information provided. Individual responses to treatments may vary, and medical recommendations should be tailored to each person’s specific condition.

Papaya leaf juice, as discussed in this blog, has gained attention for its potential benefits in Dengue management. However, its efficacy remains a subject of ongoing research, and it should be used under medical supervision.

Readers are encouraged to seek professional medical advice and follow recommended guidelines for preventing and managing Dengue fever. In case of symptoms or suspected infection, promptly consult a healthcare professional.


3 thought on “Dengue Fever: First sign of Dengue Fever, Prevention, Confronting and Management”
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