Laryngitis(喉嚨發炎, 喉炎) is a condition caused by inflammation of the larynx or voice box. Within the voicebox are two bands of muscle, the vocal cords, which are stretched across the windpipe and allow us to speak and make sound when they vibrate together.
The inflammation that causes laryngitis can be caused by many things. Usually, it is a short-term problem caused by a viral infection, but it can also be a short or long-term problem due to overuse or irritation of the vocal cords; for example from speaking or shouting a lot or from exposure to irritants like cigarette smoke or stomach acid reflux.
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