What is actually happening

Here is the honest starting point: none of the major national health bodies publishes a newborn-specific explanation of why hiccups happen. The NHS page on hiccups — which is written for adults, not babies — says plainly that "there's often no obvious reason why you get hiccups", and lists eating and drinking among the things that trigger them in people who can identify a trigger at all.

What paediatric guidance does tie newborn hiccups to is feeding. The American Academy of Pediatrics discusses hiccups in the same breath as burping and swallowed air, noting that young babies "naturally fuss and get cranky when they swallow air during feedings", and that this happens in both breastfed and bottle-fed infants but "is seen more often with the bottle".

So the practical model is: hiccups in a newborn cluster around feeds, they are extremely common, and there is no mechanism you need to fix. Anyone selling you a cure for a phenomenon that nobody has a confirmed cause for is selling you something.

What is normal

The AAP's position is worth quoting in full because it is the whole article in one line: "Most babies hiccup from time to time. Usually this bothers parents more than the infant."

Normal newborn hiccups look like this:

They come on during or just after a feed, or seemingly out of nowhere.
They last a few minutes and stop by themselves.
Your baby carries on looking untroubled — not crying, not arching, not going blue.
They happen several times a day in the early weeks and become less frequent as your baby gets older.
Your baby can hiccup while asleep and stay asleep through it.

A hiccupping baby who is otherwise feeding, weeing, pooing and gaining weight is a well baby. The hiccups are not a symptom of anything.

What actually helps

The AAP gives a specific, modest set of steps for hiccups that interrupt a feed:

Change your baby's position. Move them upright, or shift how they are lying against you.
Try to get them to burp. The AAP suggests burping after every 60 to 90 ml (2 to 3 fl oz) if bottle feeding, or when you switch breasts if nursing — and notes that some breastfed babies swallow so little air they may not need burping at all.
Help them relax rather than pushing on with the feed while they are fussing.
Wait, then resume. The AAP's guidance is to wait until the hiccups have gone before restarting; if they have not gone in 5 to 10 minutes, resume feeding for a few minutes, which "usually stops them".

The most useful preventive tip is also the least intuitive: feed your baby before they are ravenous. The AAP notes that feeding a baby when they are calm, rather than when they are frantic, makes hiccups during the feed less likely.

Raising Children Network's guidance on wind is a useful counterweight to the pressure many new parents feel. It states that babies "usually don't need to burp after a feed" and "often bring up wind without help", and that a few minutes of burping is normally long enough. If your baby is comfortable, you have not failed by not producing a burp.

Things not worth doing

The NHS's own list of home remedies for hiccups — breathing into a paper bag, sipping ice-cold water, swallowing granulated sugar, holding your breath — comes with the explicit caveat that "there's no evidence that they work for everyone." Every one of those is also plainly unsuitable for a newborn. Do not try adult hiccup cures on a baby.

There is no evidence base for gripe water, anti-hiccup drops or any other over-the-counter product aimed at newborn hiccups. Where the NHS comments on comparable remedies sold for baby crying, it says these products "are not recommended and there's no evidence they help".

When hiccups are not the point

Hiccups themselves are not the thing to watch. What matters is whether anything else is going on at the same time.

The NHS lists "coughing or hiccupping when feeding" among the symptoms of reflux in babies — alongside bringing up milk during or shortly after feeding, being unsettled during feeds, gulping after burping, crying and not settling, and not gaining weight. Hiccups on their own are not reflux. Hiccups plus several of those, in a baby who is distressed or not gaining, is worth a conversation with your health visitor or GP.

When to call

Contact your midwife, health visitor, GP or out-of-hours service if your baby:

Is not gaining weight, or is losing weight (NHS).
Is repeatedly distressed during or after feeds, refusing feeds, or crying inconsolably.
Is vomiting forcefully with every feed, or the vomit is green or yellow-green, or has blood in it. NICE lists bilious vomiting and frequent forceful vomiting among its red flags for serious illness in young babies.

Call your local emergency number (999 in the UK and Ireland, 911 in the US and Canada, 000 in Australia, 111 in New Zealand) if your baby:

Stops breathing, or has pauses in their breathing.
Looks pale, ashen, mottled or blue, or their lips or tongue look blue or grey.
Is grunting with each breath, breathing faster than 60 breaths a minute, or drawing their chest in under the ribs.
Is unresponsive or unrousable, or has a weak or abnormally high-pitched cry.
Has a temperature of 38C (100.4F) or above, or below 36C (96.8F).

That list is NICE's own set of red flags for serious illness in babies, from its postnatal care guideline (NG194). None of them are caused by hiccups. They are the things worth knowing regardless of what brought you to this page.

What to let go of

There is no evidence that newborn hiccups mean your baby is cold, overfed, underfed, growing, or about to develop reflux. There is no need to wake a hiccupping sleeping baby, no need to interrupt a contented feed, and no need to buy anything. Hiccups simply become less frequent over the first months — which is the whole story, told plainly, by every source that bothers to address them.

Newborn Hiccups