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Dengue Fever
Dengue is a mosquito-borne viral infection common in India, especially in the monsoon. Most people recover, but some develop a dangerous phase with bleeding or shock that needs urgent care.
Causes & risk factors
- Dengue virus spread by the Aedes mosquito
- Bites usually during the day
- More common in and after the rainy season
- Standing water where mosquitoes breed
Common symptoms
- High fever
- Severe headache and pain behind the eyes
- Severe joint and muscle pain
- Skin rash
- Nausea and vomiting
- Easy bruising or bleeding gums
Tests & diagnosis
- Dengue test (NS1/antibodies)
- CBC
- Platelet count
- Haematocrit (PCV)
- Liver function (LFT)
Treatment & management
- Rest and plenty of fluids to prevent dehydration
- Paracetamol for fever (avoid aspirin and ibuprofen)
- Close monitoring of platelet count and warning signs
- Hospital care with IV fluids in severe cases
- Watching especially during the critical phase as fever falls
When to see a doctor urgently
- Severe abdominal pain or persistent vomiting — urgent
- Bleeding gums, nose or in vomit/stool
- Drowsiness, restlessness or cold clammy skin
- Reduced urine or fainting
Frequently asked questions
When is dengue most dangerous?
The critical phase often begins as the fever drops (around days 3 to 7). Warning signs like severe abdominal pain, vomiting or bleeding need immediate hospital care.
Which painkillers should I avoid in dengue?
Avoid aspirin and ibuprofen, which increase bleeding risk. Paracetamol is the safe choice for fever and pain — but confirm with your doctor.
Explore more
Sources & further reading
- World Health Organization (WHO)
- MedlinePlus — U.S. National Library of Medicine
- Ministry of Health & Family Welfare, India
- Indian Council of Medical Research (ICMR)
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.