Know more shingle 了解更多带状疱疹 (國語版本)

Know more shingle 了解更多带状疱疹 

带状疱疹是一种病毒感染，会出现令人疼痛的皮疹。带状疱疹可见于身体的任何部位。通常表现为围绕躯干左侧或右侧形成一条水疱。

引起带状疱疹的元凶是水痘-带状疱疹病毒，与水痘是同一种致病病毒。一旦出过水痘，病毒就会一直存留在体内。病毒可能在多年后以带状疱疹的形式重新激活。

带状疱疹没有生命危险。但可能很疼。注射疫苗可降低感染带状疱疹的风险。及早治疗可能会缩短带状疱疹的感染时间，减少并发症的发生率。最常见的并发症是带状疱疹后神经痛。这种疼痛性病症会令带状疱疹疼痛在水疱消失后依然持续很长时间1/2年甚至几年。

带状疱疹症状通常只影响身体一侧的一小部分。这些症状可能包括：疼痛、灼热或刺痛; 触觉敏感; 疼痛持续数天后开始出现红疹; 充满液体、反复破裂结痂的水疱; 发痒

一些人还会出现：发热; 头痛; 对光敏感; 疲劳

疼痛通常是带状疱疹最早出现的症状。对某些人而言，疼痛可能非常剧烈。根据疼痛的位置，有时可能被误认为是心脏、肺或肾脏问题。有些人的带状疱疹会很疼，但不会出现皮疹。

最常见的带状疱疹是围绕躯干左侧或右侧形成条状水疱。带状疱疹有时会出现在单侧眼睛周围或者颈部或面部的一侧。

带状疱疹的特征是面部或躯干一侧的局部区域先出现疼痛和麻刺感，之后出现红疹并伴有液体小水疱。

带状疱疹是由水痘-带状疱疹病毒引起的，与水痘是同一种病毒。任何出过水痘的人都可能得带状疱疹。水痘治愈后，病毒进入神经系统，可潜伏多年。

有时病毒会被激活并沿神经通路进入皮肤，导致带状疱疹。但是，并不是所有出过水痘的人都会得带状疱疹。

带状疱疹的病因尚未确知。有可能是因为对感染的免疫力随着年龄增长而下降。老年人和免疫系统低下的人群更常出现带状疱疹。

水痘-带状疱疹病毒属于疱疹病毒群。导致唇疱疹和生殖器疱疹的病毒也属于这一病毒群。为此，带状疱疹也被称为带状疱疹病毒感染。不过，导致水痘和带状疱疹的病毒和造成唇疱疹或生殖器疱疹（性传播感染）的病毒并不是同一种。

Shingles is a viral infection that causes a painful rash. Shingles can occur anywhere on the body. It usually appears as a line of blisters around the left or right side of the torso.

Shingles is caused by the varicella-zoster virus, the same virus that causes chickenpox. Once you have had chickenpox, the virus remains in your body. The virus can reactivate years later as shingles.

Shingles is not life-threatening. But it can be painful. Vaccination can reduce your risk of getting shingles. Early treatment may shorten the duration of shingles infection and reduce the chances of complications. The most common complication is postherpetic neuralgia. This painful condition can cause the pain of shingles to last long after the blisters have gone away, for a year or two or even years.

Shingles symptoms usually affect only a small area on one side of the body.  These symptoms may include: pain, burning, or tingling; sensitivity to touch; a red rash that starts after the pain lasts for several days; fluid-filled blisters that repeatedly break and form crusts; itching

Some people also experience: fever; headache; sensitivity to light; fatigue

Pain is usually the first symptom of shingles. For some people, the pain can be very intense. Depending on where the pain is, it can sometimes be mistaken for a heart, lung, or kidney problem. Some people have very painful shingles without a rash.

The most common form of shingles is a line of blisters that form around the left or right side of the trunk. Shingles sometimes develops around one eye or on one side of the neck or face.

Shingles is characterized by pain and tingling in a localized area on one side of the face or trunk, followed by a red rash with small blisters filled with fluid.

Shingles is caused by the varicella-zoster virus, the same virus as chickenpox. Anyone who has had chickenpox can get shingles. After chickenpox is healed, the virus enters the nervous system and can remain dormant for years.

 Sometimes the virus becomes activated and travels along nerve pathways into the skin, causing shingles. However, not everyone who has had chickenpox will develop shingles.

The cause of shingles is unknown. It may be that immunity to infection decreases with age. Shingles occurs more often in older people and those with weakened immune systems.

The varicella-zoster virus belongs to the herpes group of viruses. The viruses that cause cold sores and genital herpes also belong to this group of viruses. For this reason, shingles is also called herpes zoster infection. However, the viruses that cause chickenpox and shingles are not the same viruses that cause cold sores or genital herpes (sexually transmitted infections).

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