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May 20, 2025 12:45 PM IST
From treatment to prevention tips, know all about dengue hemorrhagic fever, a severe form of dengue caused by the dengue virus.
The monsoon season often brings with it a surge in mosquito-borne illnesses, with stagnant water creating ideal breeding grounds for mosquitoes. As a result, infections like malaria and dengue become more prevalent during this time. While most cases of dengue present with mild, flu-like symptoms, a more severe and rare form, dengue hemorrhagic fever, can lead to serious complications, including internal bleeding, organ damage, and even shock. Heightened awareness and preventive measures are essential to staying safe during the rainy season. Also read | Dengue in children: Doctor shares warning signs for parents to watch out
In an interview with HT lifestyle, Dr Ajay Agarwal, senior director – internal medicine | Fortis Hospital, Noida said, “Dengue hemorrhagic fever (DHF) is a severe form of dengue caused by the dengue virus, transmitted primarily by the Aedes aegypti mosquito. The risk of developing DHF increases with subsequent infections by different serotypes of the virus. This severe form is characterized by increased vascular permeability, leading to plasma leakage, bleeding, and, in extreme cases, circulatory failure.”
Early warning signs of dengue hemorrhagic fever:
“Early symptoms of DHF resemble those of classic dengue fever, including high fever, severe headache, pain behind the eyes, joint and muscle pain, and skin rash. As the disease progresses, warning signs may emerge,” the doctor added.
- Severe abdominal pain
- Persistent vomiting
- Bleeding gums or nose
- Blood in vomit or stool
- Rapid breathing
- Fatigue and restlessness
- Cold or clammy skin
Prevention tips to know:
- Using mosquito repellents containing DEET, IR3535, or icaridin
- Wearing long-sleeved shirts and long pants.
- Installing window and door screens.
- Sleeping under mosquito nets, especially during daytime when Aedes mosquitoes are most active.
- Eliminating standing water in containers, tires, and flower pots to reduce mosquito breeding sites.
- Regular neighbourhood clean-up drives and public awareness campaigns are essential.
- Additionally, vaccines like Dengvaxia and Qdenga have been developed, though their use is subject to specific guidelines and availability.
How to treat dengue hemorrhagic fever?
“There is no specific antiviral treatment for DHF. Management focuses on supportive care to maintain fluid balance and monitor for complications,” Dr Ajay Agarwal added. He shared a few tips that can help in managing the early signs. Also read | Beat the bite: Essential dengue precautions you must follow as cases rise in India
- Stay hydrated with oral rehydration solutions.
- Use paracetamol for pain and fever.
- Avoid non-steroidal anti-inflammatory drugs (NSAIDs) like ibuprofen and aspirin, which can increase bleeding risk.
- Seek immediate medical attention if severe symptoms develop.
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