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| Monday, 23-Jul-2007 16:10 |
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herpes zoster or 'Kayap'
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Herpes zoster or kayap or shingles is an acute, localized infection with varicella-zoster virus, which causes a painful, blistering rash.
Caused by the same virus that causes chickenpox. After an episode of chickenpox, the virus becomes dormant in the body. Herpes zoster occurs as a result of the virus re-emerging after many years.
After infection with chickenpox, the virus resides in a non-active state in the nerve tracts that emerge from the spine. When it is re-activated, it spreads along the nerve tract, first causing pain or a burning sensation.
The typical rash appears in 2 to 3 days, after the virus has reached the skin. It consists of red patches of skin with small blisters (vesicles) that look very similar to early chickenpox. The rash often increases over the next 3 to 5 days. Then, the blisters break, forming small ulcers that begin to dry and form crusts. The crusts fall off in 2 to 3 weeks, leaving behind pink healing skin.
Lesions typically appear along a single dermatome (the body area served by a single spinal nerve) and are only on one side of the body (unilateral). The trunk is most often affected, showing a rectangular belt of rash from the spine around one side of the chest to the breastbone (sternum).Some of us percaya if kayap ni bertemu or bercantum pengidap boleh ...mati which is not true
Shingles may be complicated by a condition known as post-herpetic neuralgia. This is persistence of pain in the area where the shingles occurred that may last from months to years following the initial episode. This pain can be severe enough to be incapacitating. The elderly are at higher risk for this complication.
Herpes zoster can be contagious through direct contact in an individual who has not had chickenpox, and therefore has no immunity. Herpes zoster may affect any age group, but it is much more common in adults over 60 years old, in children who had chickenpox before the age of one year, and in individuals whose immune system is weakened.
* Warning symptoms of unilateral (on one side) pain, tingling, or burning sensation limited to a specific part of the body -- pain and burning sensation may be intense
* Reddening of the skin (erythema) followed by the appearance of blisters (vesicles)
* Grouped, dense, deep, small blisters that ooze and crust
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