Quick Facts
Introduction
Learn practical dengue prevention steps, daytime mosquito protection, household water control, symptoms and warning signs requiring medical help.
Dengue prevention starts at home and in the surrounding community. The mosquitoes that spread dengue can breed in small containers, roof gutters, plant trays and uncovered water storage. Because transmission can occur during the daytime, families should not rely only on a bed net at night. A combination of mosquito control and early medical attention is safer.
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How to reduce mosquito bites
- Wear clothing that covers the arms, legs and feet when possible.
- Use an insect repellent according to the product label.
- Install screens on doors and windows and repair gaps.
- Use a mosquito net for daytime sleeping, especially for children or sick family members.
- Keep indoor and outdoor areas clean and reduce places where water can collect.
Stop breeding sites around the home
Empty and scrub water containers regularly, cover tanks, turn buckets upside down and remove tyres, cans and other items that collect rainwater. Check plant pots, coolers, drains and roof areas every week. Community action matters because mosquitoes do not stop at a property boundary.
Common symptoms
Dengue may cause high fever, headache, pain behind the eyes, muscle and joint pain, nausea or a rash. Symptoms can overlap with other infections, so a person should not rely on an online article for diagnosis. A healthcare professional can decide whether testing, monitoring or treatment is needed.
Warning signs and urgent care
Severe abdominal pain, persistent vomiting, bleeding from the nose or gums, extreme weakness, restlessness, difficulty breathing, confusion or signs of shock require urgent medical attention. Risk can increase when fever begins to settle, so improvement in temperature does not always mean the danger has passed.
Medicine and hydration precautions
Drink suitable fluids and follow a clinician’s advice. WHO guidance identifies paracetamol as an option for fever and advises avoiding aspirin and medicines such as ibuprofen in dengue because of bleeding risk. Never self-prescribe antibiotics or combine medicines without professional advice.
The WHO dengue and severe dengue guidance explains prevention, symptoms and treatment precautions. Explore more practical health information in our Health & Wellness category.
FAQs
Do dengue mosquitoes bite only at night?
No. The mosquitoes that transmit dengue are commonly active during the day, so daytime protection is important.
Can standing water in a small container matter?
Yes. Small amounts of stagnant water can provide breeding sites. Check containers, trays, coolers and outdoor waste regularly.
When should a dengue patient seek urgent help?
Seek urgent care for breathing difficulty, severe abdominal pain, persistent vomiting, bleeding, confusion, severe weakness or any rapidly worsening condition.
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