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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 vaccination is the only way for adults to be protected against both shingles and postherpetic neuralgia, with two vaccines approved for use in people over age 50. [3] The zoster vaccine Shingrix provides around 90% protection from postherpetic neuralgia, and has been used in many countries since 2017.
1 in 3 Canadians will experience shingles at some point in their lifetime.
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Preherpetic neuralgia is a form of nerve pain specifically associated with a Shingles (herpes zoster) viral infection. This nerve pain often precedes visible indications of a Shingles infection and consequently can be a key early indicator of a need to begin preventative anti-viral drug therapy.
In about a third of cases, [7] VZV reactivates in later life, producing a disease known as shingles or herpes zoster. The individual lifetime risk of developing herpes zoster is thought to be between 20% and 30%, or approximately 1 in 4 people. However, for people aged 85 and over, this risk increases to 1 in 2. [8]
Treatment is generally with antiviral pills such as acyclovir. Steroid eye drops and drops to dilate the pupil may also be used. The herpes zoster vaccine is recommended for prevention in those over the age of 50. [2] HZO is the second most common manifestation of shingles, the first being involvement of skin of the thorax.
List of medical symptoms. Medical symptoms refer to the manifestations or indications of a disease or condition, perceived and complained about by the patient. [1] [2] Patients observe these symptoms and seek medical advice from healthcare professionals.