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Laryngitis喉炎

The larynx, or voice box, joins the back of the throat to the windpipe.喉部，或声音中，加入后面的喉咙到气管。 The vocal cords (which vibrate to produce sound) are in the larynx.声带（震动产生声音）是在喉。 Laryngitis is inflammation of the larynx and is a common condition of the throat.喉炎是炎症和喉部是一种常见的条件喉咙。

Acute laryngitis is usually due to a viral infection; it can occur at the same time as a cold and usually lasts 1-2 weeks.急性喉炎通常是由于病毒感染;它可以发生在同一时间，作为一个冷战，通常持续1-2周。 Laryngitis is common in adults under the age of 40 and children over the age of three (1).喉炎常见于成人下， 40岁的儿童和3岁以上（ 1 ） 。

Chronic (long term) laryngitis is often due to persistent acute laryngitis and commonly affects smokers (2).慢性（长期）喉炎往往是由于持续急性喉炎和常见的影响吸烟者（ 2 ） 。