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Shingles, also known as herpes zoster or zona, [6] is a viral disease characterized by a painful skin rash with blisters in a localized area. [2] [7] Typically the rash occurs in a single, wide mark either on the left or right side of the body or face. [1]
Shingles What it looks like : Also known as herpes zoster, shingles is a blistering rash. It often appears in a stripe or in the top quadrant of the head, but only on one side of the body.
After it subsides, it stays dormant in nerve cells in the body. It may reactivate under conditions of physiological stress or if the immune system is suppressed in any way (for example during an illness or undergoing chemotherapy), resulting in herpes zoster, also known as shingles or Ramsay Hunt syndrome when facial paralysis in involved. If ...
They can be spread when an infected person begins shedding the virus. As of 2016, about 67% of the world population under the age of 50 had HSV-1. [ 3 ] In the United States, about 47.8% and 11.9% are estimated to have HSV-1 and HSV-2, respectively, though actual prevalence may be much higher. [ 4 ]
Potential triggers for this can include a weakened immune system as a consequence of stress, illness, medical treatments or old age. It can take up to four weeks for the shingles rash to heal.
Nine herpesvirus types are known to primarily infect humans, [7] at least five of which are extremely widespread among most human populations, and which cause common diseases: herpes simplex 1 and 2 (HSV-1 and HSV-2, also known as HHV-1 and HHV-2; both of which can cause orolabial and genital herpes), varicella zoster (VZV or HHV-3; the cause ...
The recent study also found that having had shingles carried a higher risk of subjective cognitive decline for men who carried the gene APOE4 — associated with cognitive impairment and dementia ...
Another strain, HSV-2 usually causes genital herpes, although the strains are very similar and either can cause herpes in any location. While the disease is commonly passed through normal human contact, it is strongly associated with contact sports — outbreaks in sporting clubs being relatively common. [ 2 ]
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