Dengue fever
Medical review pending before publication
Updated 8 October 2026Dengue is a viral infection spread by Aedes mosquitoes. Most people recover in about a week with rest, fluids and paracetamol. Warning signs such as severe belly pain, repeated vomiting, bleeding or drowsiness, usually around the time the fever falls, need urgent hospital care.
When it is an emergency
- Severe belly pain, repeated vomiting, bleeding gums or nose, black stool, restlessness or drowsiness.
Symptoms
- High fever
- Severe headache, pain behind the eyes
- Body and joint pain
- Rash
Causes and risk factors
- Bite of an infected Aedes mosquito, mostly during the day
When to see a doctor
- Fever with body ache during dengue season
- Fever lasting more than two days
Diagnosis and treatment
There is no specific antiviral. Care focuses on rest, fluids, paracetamol for fever and close monitoring of blood counts. Avoid aspirin and ibuprofen-type painkillers unless a doctor advises them. Some patients need admission for fluids and observation.
Prevention
- Remove standing water around the home weekly
- Use repellent and full-sleeve clothing
- Use screens or nets
Frequently asked questions
Does papaya leaf juice cure dengue?
There is no reliable proof that it cures dengue. Fluids, rest and medical monitoring are what keep people safe.
Sources
Information on this website is general and does not replace a consultation with a doctor. In an emergency, call 108 or our emergency line.