MAY 2014
Dengue
is a viral infection spread by mosquitoes. It is widespread
in tropical and sub-tropical regions. In
the month of February 2014, the Dar es Salaam Public Health Officials
confirmed a new wave of dengue fever cropped up in the most parts of
Dar es Salaam and is still continuing.
The
first ever recorded fever in Dar es Salaam was recorded in 2010 and in
July last year. The Ministry reaffirmed that there were no confirmed death
in either two past breakouts.(Tambwe M., Daily Newspaper, 8.2.2014)
Although dengue symptoms, when mild, can seem
flulike, there is no vaccine or treatment for the infection other than
staying hydrated and taking acetaminophen to manage the pain, other
pain killers of the NSAID group like Ibuprofen & Diclofenac are
not recommended as they can increase bleeding due to low platelet
count (blood clotting cells). Those flulike symptoms also hamper public
health officials’ ability to track the disease, because official
surveillance of occurrences is based on medical reports and patients
may not seek care for what they assume is a bout of flu. An estimated
50 million to 100 million dengue infections occur worldwide yearly, and
severe forms of the disease can be fatal, especially among children.
Beyond dengue’s death toll, its impact is largely felt in economic
terms because sickened people cannot work or attend school.
Many
people, especially children and teens, may experience no signs or
symptoms during a mild case of dengue fever. When symptoms do occur,
they usually begin four to 10 days after the person is bitten by an
infected mosquito.
SYMPTOMS
The
principal symptoms of dengue fever are listed below. Generally, younger
children and those with their first dengue infection have a milder
illness than older children and adults.
·
High Fever, up to 41ºC
·
Severe Headaches
·
Muscle, bone and joint pain
·
Pain behind your eyes
Patient might also experience:
·
Widespread rash
·
Nausea and vomiting
·
Minor bleeding from your gums or nose
Most people recover within a week or
so. In some cases, however, symptoms worsen and can become
life-threatening. Blood vessels often become damaged and leaky, and the
number of clot-forming cells in your bloodstream falls. This can cause:
·
Bleeding from the nose and mouth
·
Severe abdominal pain
·
Persistent vomiting
·
Bleeding under the skin, which may look like bruising
·
Problems with your lungs, liver and heart
·
Red spots or patches on the skin
·
Black, tarry stools (faeces, excrement)
·
Drowsiness or irritability
·
Pale, cold, or clammy skin
· Difficulty breathing
PREVENTION
There is no vaccine for preventing dengue.
The best preventive measure for residents living in areas
infested with Ae. aegypti is
to eliminate the places where the mosquito lays her eggs, primarily
areas that hold standing
water to stop mosquitoes from multiplying
· Items that collect rainwater or to store water (for
example, garbage cans, house gutters, buckets, pool covers, coolers,
toys, flower pots, plastic containers, drums, buckets, any other
containers, pet's water bowls, or used automobile tires) should be
covered or properly discarded.
· Protect boats and vehicles from rain with traps that
don’t accumulate water.
· Maintain swimming pools in good condition and
appropriately chlorinated. Empty plastic swimming pools when not in
use.
· Clothing: Wear shoes, socks, and long pants and
long-sleeves. This type of protection may be necessary for people who must
work in areas where mosquitoes are present.
· Apply mosquito repellent containing DEET.
· Use mosquito netting to protect children younger than
2 months old.
· Cover doors and windows with screens to keep
mosquitoes out of your house
· Repair broken screening on windows, doors, porches,
and patios.
· Using air conditioning or window and door screens
reduces the risk of mosquitoes coming indoors.
· Proper application of mosquito repellents.
· Mosquito Control: Use screens on doors and windows; use patio
insecticides such as Permethrin (pesticide and repellent) and Allethrin
(candles and lanterns. Wear long sleeve shirts, long pants, socks and
closed shoes to avoid mosquito bites at dusk and dawn especially.
Use
repellents containing DEET (N, N-diethyl-m-toluamide) or Picaridin on
your clothing and exposed skin. Follow manufacturer’s instructions and
CDC recommendations. (www.cdc.gov)
TREATMENT
There is no specific medication for treatment of a dengue
infection. Persons who think they have dengue should use pain relievers
such as acetaminophen, other pain killers of the NSAID group like Ibuprofen
& Diclofenac are not recommended as they can increase bleeding
due to low platelet count (blood clotting cells). They should also
·
Rest,
·
Drink plenty of
fluids to prevent dehydration,
·
Avoid mosquito
bites while febrile and
·
Consult a
physician.
You should see your GP if you develop a fever or flu-like
symptoms within two weeks of returning from an area where the dengue
virus is common. If a clinical diagnosis is
made early, a health care provider can effectively treat you. Alternatively,
you can call +255 (22) 2114995/6/7 Ebrahim Haji Charitable
Health Care for advice and visit to test and confirm diagnosis
of Dengue fever.
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