Health Advisory on Dengue


Bite of an Aedes aegypti mosquito infected with a dengue virus.

Mode of Transmission

Transmitted by a day-biting mosquito called Aedes aegypti and Aedes albopictus
(These mosquitoes lay eggs in clear and stagnant water found in flower vases, cans, rain barrels,
old rubber tires, etc. The adult mosquitoes rest in dark places of the house.)

Signs and Symptoms

• Sudden onset of high fever which may last from 2 to 7 days.
• Joint and muscle pain and pain behind the eyes
• Weakness
• Skin rashes
• Nose-bleed when fever starts to subside
• Abdominal pain
• Vomiting of coffee-colored matter
• Dark-colored stools
• Difficulty of breathing


• Do not give aspirin for fever.
• Give sufficient amount of water or rehydrate a dengue suspect.
• If fever or symptoms persist for 2 or more days, bring the patient to the nearest hospital.

Prevention and Control

1. Search and Destroy

• Cover water drums and pails.
• Replace water in flower vases once a week.
• Clean gutters of leaves and debris.
• Collect and dispose all unusable tin cans, jars, bottles and other items that can collect and hold water.

2. Self-Protection Measures

• Wear long pants and long sleeved shirt.
• Use mosquito repellant every day.

3. Seek Early Consultation

Consult a doctor immediately if fever persists after 2 days and rashes appear.

Source: Philippine Health Advisories published by the Department of Health, Manila, Philippines, 2012

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