Hiccups: why do we hiccup? - myDr.com.au

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Hiccups, also known as hiccoughs, are caused by a spasm of your diaphragm. The diaphragm is a thin muscle between the chest and abdomen (tummy).
If your diaphragm tightens, this causes a rush of air into your lungs. This forces your vocal cords to close, which makes the 'hiccup' sound.
Hiccups are common, and will often stop after a few minutes.
If your hiccups last longer than 2 days, they are considered long-lasting or chronic. Chronic hiccups can affect how you eat and sleep.
Hiccups may start and stop without a cause. Some things can make you more likely to have hiccups, such as:
Chronic hiccups can last for days or weeks. Chronic hiccups are rare, and may be caused by conditions such as:
Some medicines can also cause hiccups. Medicines that can cause hiccups include:
Babies often have hiccups. They can even have hiccups in the uterus.
Hiccups don't normally bother babies. If you want to help your baby stop hiccupping, you can:
If your baby's hiccups last a long time, or they have other symptoms like vomiting, speak to your doctor or child health nurse.
If your hiccups last longer than 2 days, you should see your doctor. You should also see a doctor if you have hiccups and other symptoms, such as:
Hiccups can be a sign of something serious. You should seek urgent care if you have hiccups as well as:
In most cases hiccups will only last a few minutes and won't need treatment.
There are ways to help stop hiccups at home, including:
Other treatments for hiccups include getting a fright and acupuncture. It's not clear how well these work.
Usually, hiccups will not cause any complications.
Chronic hiccups can sometimes cause weight loss and insomnia, but this is rare. This is usually because chronic hiccups can affect how you eat and sleep.
In most cases, hiccups can't be prevented. You can lower your chance of getting hiccups by avoiding things such as:
Find out more about hiccups and other symptoms of digestive health on the Queensland Government website.
You can also call the healthdirect helpline on 1800 022 222 (known as NURSE-ON-CALL in Victoria). A registered nurse is available to speak with you 24 hours a day, 7 days a week.
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Last reviewed: July 2025


