Thrombocytopenia in Dengue Fever: Frequently Asked Questions


FAQ about Dengue and Thrombocytopenia
FAQ About Dengue and Thrombocytopenia
  • What is Dengue? Dengue is a mosquito-borne viral infection in many tropical and subtropical regions worldwide. It can range in severity from a mild flu-like illness to severe forms like Dengue Hemorrhagic Fever and Dengue Shock Syndrome.
  • What are platelets? Platelets, also known as thrombocytes, are small, colourless cell fragments in our blood that play a pivotal role in blood clotting and wound healing.
  • What is thrombocytopenia? Thrombocytopenia is characterized by an abnormally low count of platelets in the blood. It can increase the risk of bleeding and is common in patients with Dengue infection.
  • How does Dengue cause thrombocytopenia? Dengue can cause thrombocytopenia through direct invasion and destruction of platelets and an immune response that inadvertently targets platelets.
  • What are the symptoms of thrombocytopenia in Dengue? Symptoms of thrombocytopenia in Dengue can range from minor signs like nosebleeds and bleeding gums to more severe manifestations such as internal bleeding.
  • What is Dengue Hemorrhagic Fever (DHF)? Dengue Hemorrhagic Fever is a severe form of Dengue characterized by high fever, damage to the lymphatic system, bleeding, and, potentially, circulatory failure.
  • What is Dengue Shock Syndrome (DSS)? Dengue Shock Syndrome is another severe form of Dengue, marked by a sudden blood pressure drop leading to shock. It can be life-threatening if not promptly managed.
  • How is thrombocytopenia in Dengue managed? Thrombocytopenia in Dengue is managed through close monitoring of platelet counts, supportive care, and in severe cases, platelet transfusions.
  • Can thrombocytopenia in Dengue be prevented? Currently, there’s no specific way to prevent thrombocytopenia in Dengue other than preventing Dengue infection itself, typically by avoiding mosquito bites.
  • Are there ongoing research efforts to understand thrombocytopenia in Dengue better? Yes, ongoing research aims to understand the mechanisms behind thrombocytopenia in Dengue, improve patient management, and develop effective therapies.
  • What are the long-term effects of thrombocytopenia in Dengue? Long-term effects of thrombocytopenia in Dengue are usually minimal, as platelet counts typically return to normal once the infection resolves. However, severe cases can lead to significant complications that require prolonged treatment.
  • Does everyone with Dengue develop thrombocytopenia? Not everyone with Dengue develops thrombocytopenia. It largely depends on the individual’s immune response and the severity of the infection.
  • How is thrombocytopenia detected in Dengue patients? Thrombocytopenia is detected through a simple blood test, part of the routine investigations done in patients suspected of Dengue.
  • What are the four dengue virus serotypes? The four dengue virus serotypes are DEN-1, DEN-2, DEN-3, and DEN-4.
  • Is there a vaccine for Dengue? Yes, there is a vaccine for Dengue, but its use is subject to specific age, epidemiological, and serological conditions.
  • What are the potential risks of platelet transfusion? Potential risks of platelet transfusion include allergic reactions, transfusion-related acute lung injury (TRALI), and transmission of infections.
  • Why does the body’s immune response target platelets during a Dengue infection? It’s thought that the immune system may confuse platelets for the enemy due to the changes caused by the Dengue virus and target them for destruction.
  • What is the normal range for platelet count? The normal range for platelet count is typically between 150,000 to 450,000 platelets per microliter of blood.
  • What is the relationship between platelets and blood clotting? Platelets are vital for blood clotting. They rush to the injury site, stick together, and form clots to prevent excessive bleeding.
  • Can someone die from Dengue? Yes, severe forms of Dengue, like Dengue Hemorrhagic Fever and Dengue Shock Syndrome, can be life-threatening if not promptly and properly managed.
  • Can you get Dengue more than once? Yes, you can get Dengue more than once. There are four different types of the Dengue virus. Infection with one type provides lifelong immunity to that type but only short-term protection against the other three.
  • What is plasma leakage in Dengue? Plasma leakage is a serious complication of severe Dengue, where fluid from blood vessels leaks into surrounding tissues. It can lead to a drop in blood pressure and, potentially, Dengue Shock Syndrome.
  • What role does the immune system play in the progression of Dengue? The immune system plays a complex role in Dengue progression. While it fights to eliminate the virus, specific immune responses can also contribute to disease severity, like triggering thrombocytopenia or enhancing the infection in subsequent encounters with the virus.
  • What is the global impact of Dengue? Dengue is prevalent in over 100 countries, with an estimated 390 million infections yearly. It places a significant burden on healthcare systems, especially in resource-limited settings.
  • How can we reduce the spread of Dengue? Reducing the spread of Dengue involves vector control strategies, like eliminating mosquito breeding sites, using insect repellents, and wearing protective clothing. Vaccination also plays a role in areas where the vaccine is approved and available.
  • Can thrombocytopenia cause Dengue complications? Yes, thrombocytopenia can lead to complications in Dengue, such as bleeding and the development of severe forms of the disease like Dengue Hemorrhagic Fever and Dengue Shock Syndrome.
  • Why does Dengue cause pain in muscles and joints? Dengue causes pain in muscles and joints due to the body’s immune response to the infection. The chemicals released by the immune system can cause inflammation and discomfort.
  • How does thrombocytopenia affect wound healing? Thrombocytopenia can affect wound healing as platelets play a crucial role in clot formation and the initiation of the healing process. A deficiency in platelets may lead to prolonged bleeding and delayed wound healing.
  • What are the standard diagnostic tests for Dengue? Common diagnostic tests for Dengue include NS1 antigen testing, IgM antibody testing, and RT-PCR for viral RNA detection.
  • What are the possible future directions for research in thrombocytopenia in Dengue? Possible future directions for research include understanding the precise mechanisms behind platelet decrease, identifying therapeutic targets, and exploring the role of novel treatments such as platelet growth factors.


  1. World Health Organization
  2. Centres for Disease Control and Prevention
  3. Mayo Clinic
  4. Healthline
  5. National Institute of Allergy and Infectious Diseases

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Dengue, a mosquito-borne viral infection, can lead to Thrombocytopenia, causing low Platelet counts. Severe Dengue forms like Dengue Hemorrhagic Fever and Dengue Shock Syndrome involve the Immune System and often require Diagnostic Tests. Additionally, Dengue may cause complications such as Plasma Leakage, Muscle and Joint Pain, affecting Wound Healing.

Disclaimer: This article provides information about the pathophysiology of thrombocytopenia in Dengue Shock Syndrome for educational purposes only. It is not intended to replace professional medical advice, diagnosis, or treatment. Always seek the advice of a healthcare provider for any health concerns or queries you may have.

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Tanzir Islam Britto

My name is Tanzir Islam Britto. Professionally I am a Physician, an amateur writer, and an engaged social media activist. My journey in the field of medicine began at Bangabandhu Sheikh Mujib Medical College (BSMMC), formerly known as Faridpur Medical College, where I started my Bachelor of Medicine and Bachelor of Surgery (MBBS), which I have completed at Shahabuddin Medical College(SMC).

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