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What is the cause of hiccups?

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Hiccups are brief and involuntary contractions of the diaphragm muscle. Irritation of the nerves that extend from the neck to the chest can cause hiccups. read more

Problems with the liver, including swelling, infection, or masses can cause irritation of the diaphragm, which can cause hiccups. Some medications that can cause acid reflux may also have hiccups as a side effect. Most benzodiazepines, including diazepam , alprazolam and lorazepam can cause hiccups. read more

Some common causes include: Eating too much or too quickly; Feeling nervous or excited; Drinking carbonated beverages or too much alcohol; Stress; A sudden change in temperature; Swallowing air while sucking on candy or chewing gum; Long-term Hiccups. Hiccups are usually temporary, but in rare cases, they can stick around -- for a while. read more

The hiccup is an involuntary action involving a reflex arc. Once triggered, the reflex causes a strong contraction of the diaphragm followed about 0.25 second later by closure of the vocal cords, which results in the classic "hic" sound. Hiccups may occur individually, or they may occur in bouts. read more

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