灰指甲是一种真菌 感染的脚趾甲和手指甲。

Onychomycosis causes fingernails or toenails to thicken, discolor, disfigure, and split.
灰指甲病手指甲或脚指甲原因增厚，变色，变丑，分裂。

At first, onychomycosis appears to be only a cosmetic concern.
首先，灰指甲似乎只是一种象征性的关注。

Without treatment, however, the toenails can become so thick that they press against the inside of the shoes, causing pressure, irritation, and pain. Fingernail  infection may cause psychological, social, or employment-related problems.

如果不进行治疗，但是，脚趾可以变得非常厚的记者，他们对鞋的内部，造成压力，刺激，和疼痛。指甲感染可能会导致心理，社会，或与就业有关的问题。

Half of all nail disorders are caused by onychomycosis, and it is the most common nail disease in adults.
所有一半指甲病是由真菌病，它是钉在成人最常见的疾病。

Toenails are much more likely to be infected than fingernails.
脚趾甲更可能会比手指甲感染。

The incidence of onychomycosis has been increasing and is related to diabetes , a suppressed immune system , and increasing age.
在发生甲真菌病不断上升，是与糖尿病 ，1抑制免疫系统 ，随着年龄增长。

Adults are 30 times more likely to have onychomycosis than children.
成年人的30倍更有可能比儿童甲真菌病。

In fact, only 2.6% of children younger than 18 years are reported to have onychomycosis, but as many as 90% of elderly people have onychomycosis.
事实上，只有2.6％的儿童年龄低于18岁，据报有治疗灰指甲的特效药病，但多达90％的老人有灰指甲。

Onychomycosis is divided into subtypes.
灰指甲病分为亚型。

The main subtypes of onychomycosis are distal lateral subungual (the area under the nail) onychomycosis (DLSO or DSO), white superficial onychomycosis (WSO), proximal subungual onychomycosis (PSO), endonyx onychomycosis (EO), and candidal onychomycosis.
甲真菌病的主要亚型是远端 外侧甲下（下面积的指甲）甲癣（康乐事务办事处或DSO），白色表面的灰指甲特效药世界安全组织）， 近端甲下甲真菌病（PSO）的，endonyx甲真菌病（雇佣）和念珠菌甲癣。

People with onychomycosis may have a combination of these subtypes.
与甲真菌病，可能是这些亚型的组合。

Total dystrophic onychomycosis is the term used to refer to the most advanced form of any subtype.
共有营养不良性甲真菌病是指以任何形式亚型最先进的任期.

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