International Travel Medicine Clinic (ITMC)

…..Dengue is a disease caused by any one of four closely related virus (DEN-1, DEN-2, DEN-3, DEN-4). The viruses are transmitted to humans by the bite of an infected mosquito. The virus circulates in the blood leading to fever. Infection with one strain does not provide cross protection against another strain.

Protection

  • Use a mosquito repellant containing DEET.
  • Dress I protective clothing – long – sleeved shirt, long pants, sock, and shoes
  • Keep unscreened windows and doors closed.
  • Keep window and door screens repaired.
  • Get rid of areas where mosquitoes breed, such as standing water in flower pots or discarded tires.
  • Use mosquito netting over beds, and screens on windows and door – ways.

Symptoms

Dengue fever symptoms appear within 5 to 6 days of being bitten by an infected mosquito and may last for 1 to 2 weeks.

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Symptoms include :

  • The sudden onset of a high fever, up to 39 degree Celsius.
  • Severe headache.
  • Retro – orbital (behind the eve) pain.
  • Severe joint and muscle pain.
  • Nausea and vomiting.
  • Rash appearing on the arms or leg 3 to 4 days after fever begins.
  • Abnormal bleeding and very low blood pressure (Shock) may occur in severe  cases.

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Diagnosis

Blood test : PCR for Dengue. Dengue NS1 Antigen, Dengue IgM/IgG titers. The PCR based method is more effective in the first few days of infection.

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If you get Dengue fever

  • Visit your physician immediately.
  • Rest.
  • Drink plenty of fluids.
  • Take medicine to reduce your fever, but avoid Aspirin.