打嗝hiccups

Hiccups: What causes them. Hiccups are caused by involuntary contractions of your diaphragm — the muscle that separates your chest from your abdomen and plays an important role in breathing. This involuntary contraction causes your vocal cords to close very briefly, which produces the characteristic sound of a hiccup.

【谷歌】

为什么会打嗝？

打嗝是一种常见的生理现象，通常是由于胸、腹腔之间的膈肌受刺激后收缩引起的。健康的人出现打嗝现象多与饮食有关，特别是饮食过快、过饱，摄入过热或冷的食物、饮料，饮酒等，外界温度变化和过度吸烟亦可引起。

打嗝一次发作持续达48小时，被认为是“急性打嗝”。而“慢性打嗝”通常是持续性或复发性的且多为病理性的。打嗝持续时间大于2月被认为是“顽固性打嗝”。

【科普中国】

https://www.mydr.com.au/respiratory-health/hiccups-why-do-we-hiccup

Everyone has their own pet remedy for curing hiccups. Simply holding your breath is often effective for short-term bouts of hiccups, but usually they will go away of their own accord. Some people find that touching or gently lifting their uvula (the dangly structure at the back of the throat) with a cotton bud or similar will stop a bout of hiccups, but be aware that this will stimulate the gag reflex.

Other methods include drinking ice cold water, swallowing something sweet like a spoonful of sugar, or sitting down, while leaning forward and pulling your knees up to compress your chest.

If you have hiccups that have gone on for 2 days or longer, or are having recurrent bouts of hiccups, you should see a doctor to find out if there is an underlying cause that needs treating.