Why dengue matters right now in Jamaica
Dengue fever has made a strong comeback across Jamaica, with cases reported in Kingston, St. Andrew, St. Catherine, St. James and other parishes. Unlike flu or a cold, dengue can be seriously dangerous — especially for children, the elderly, and anyone who has had it before (second infections are often more severe).
The good news is dengue is preventable. The only way you can get it is from the bite of an infected Aedes aegypti mosquito. Break that chain and you break the risk.
How dengue spreads — and why it's so easy to catch
Aedes aegypti is a sneaky mosquito. Unlike the night-biting malaria mosquito, Aedes bites during the day — most actively in the early morning and late afternoon. It lives in and around homes, not in the bush, and it breeds in surprisingly small amounts of water: a bottle cap, a flower vase, a saucer under a potted plant.
A single infected female can bite several people in a day. That's how one infected person in a neighbourhood turns into a cluster of cases over a few weeks.
The three layers of protection every Jamaican household needs
Layer 1: Stop them breeding (the most important)
Mosquitoes you kill in the yard don't matter if 100 more are hatching in your gutters. Every week, do a 15-minute walk around the property and dump any standing water. See our full rainy-season checklist for the full list of hiding spots.
Layer 2: Stop them resting (barrier treatment)
Mosquitoes don't fly far. They rest in cool, shady vegetation during the day — the underside of leaves, dense shrubs, behind patio furniture. Keeping vegetation trimmed and treating resting zones with professional barrier spray gives weeks of relief.
Layer 3: Stop them biting (personal protection)
- DEET or picaridin repellent on exposed skin, every day in peak season
- Long, loose, light-coloured clothing — Aedes is attracted to dark fabric
- Screens on every door and window — check for small tears
- Mosquito nets for babies and young children, especially during naps
- A fan on the verandah keeps mosquitoes off you (they're weak fliers)
The dengue warning signs every Jamaican should know
Dengue symptoms usually start 4–10 days after an infected bite. See a doctor immediately if you or a family member has any of these:
- Sudden high fever (often 39–40°C)
- Severe headache, especially behind the eyes
- Severe joint and muscle pain — dengue is nicknamed "breakbone fever" for a reason
- Nausea, vomiting
- Rash that appears a few days into the illness
- Fatigue that's far worse than a regular flu
Warning signs for severe dengue — go to hospital immediately
- Severe abdominal pain
- Persistent vomiting
- Bleeding from gums or nose
- Blood in vomit or stool
- Rapid breathing or restlessness
- Cold, clammy skin
Severe dengue (sometimes called dengue haemorrhagic fever) is a medical emergency and can be fatal if untreated.
What to do if someone in your home gets dengue
- Hydration is the main treatment. Water, coconut water, oral rehydration salts. Avoid sugary sodas.
- Paracetamol only for fever — never ibuprofen or aspirin (they thin the blood and can worsen bleeding risk).
- Rest in a screened room — this also protects anyone else in the house, because mosquitoes that bite the sick person can carry dengue to healthy family members.
- Monitor for warning signs daily, especially as the fever starts to break (that's actually when severe dengue tends to appear).
- Treat the yard immediately — if someone in the house has dengue, there's a good chance infected mosquitoes are around. This is the time to call for professional treatment, not a few weeks later.
When to call Sim T's for a mosquito treatment
Call if any of these apply:
- Dengue cases have been reported in your community
- Someone in your household has dengue (urgent)
- You're being bitten in your own yard during the day
- You have small children or an elderly family member
- You have a lot of vegetation that can't be fully cleared
- You're hosting an event (party, christening, wedding)
Our mosquito control programme includes yard inspection, larvicide for breeding sites, barrier spray of resting zones, and fogging for immediate knock-down. Monthly service plans available for peak season.
Protect your family today. Get a free mosquito-treatment quote or WhatsApp us for same-week service.
Published 2026-10-23 · Sim T's Pest Control & Fumigation