Frequent hiccups in babies are almost always normal. Babies hiccup more than adults because their digestive systems and the nerve pathways controlling their diaphragm are still maturing. Most healthy newborns hiccup multiple times a day, and many parents notice hiccups during or shortly after feedings. The good news: hiccups bother parents far more than they bother babies.
What Causes a Hiccup
A hiccup happens when the diaphragm, the dome-shaped muscle beneath your baby’s lungs, suddenly contracts along with the small muscles between the ribs. That involuntary spasm pulls air into the lungs so quickly that the vocal cords snap shut, producing the “hic” sound. The whole process is a reflex arc: sensory signals travel up through nerves in the chest and abdomen to a processing center in the brainstem, which fires back a signal telling the diaphragm to contract. In infants, this reflex is more easily triggered because the nerve pathways involved are still developing and tend to be more excitable.
Why Feeding Is the Biggest Trigger
Most baby hiccups happen around feeding time, and it comes down to two things: a stretching stomach and swallowed air.
When a baby feeds quickly or takes in a large volume of milk, the stomach expands and presses against the diaphragm from below. That pressure can set off the hiccup reflex. The same thing happens when a baby swallows excess air during a feed, a process called aerophagia. Air fills the stomach, stretches it, and irritates the diaphragm.
Babies swallow air for several reasons. A shallow latch on the breast, a bottle nipple with too fast or too slow a flow, or simply feeding while crying can all let air slip in with each swallow. In some cases, a tongue tie or lip tie makes it harder for a baby to form a tight seal around the breast or bottle. Poor tongue mobility and a weak lip seal have been identified as causes of increased air swallowing, which can lead to a distended abdomen, reflux-like symptoms, and hiccups. If your baby consistently makes a clicking sound while nursing, that intermittent loss of seal is letting air in.
The Reflux Connection
Occasional spit-up and hiccups go hand in hand in young babies because the muscle at the top of the stomach hasn’t fully strengthened yet. When stomach contents rise back into the esophagus, they can irritate the nerves that feed into the hiccup reflex. Johns Hopkins Medicine lists hiccups as one of the common symptoms of gastroesophageal reflux disease (GERD) in children.
That said, simple reflux is extremely common in infants and usually resolves on its own by 12 to 18 months. Hiccups alone don’t mean your baby has GERD. The distinction matters when hiccups are paired with other signs: frequent forceful vomiting, refusing to eat, poor weight gain, arching the back during or after feeds, or persistent irritability. Those combinations are worth discussing with your pediatrician.
Hiccups Actually Start Before Birth
If your baby hiccuped a lot in the womb, you’re not imagining the pattern continuing. Fetal hiccups are most common between weeks 9 and 24 of pregnancy. Researchers believe they serve a developmental purpose: the sharp drop in chest pressure during each hiccup may help draw amniotic fluid into the developing gut, and the repeated contractions may exercise the respiratory muscles before a baby ever takes a breath. So hiccups are literally part of how your baby’s body practiced breathing before being born, and that same reflex stays active for months afterward.
How to Ease Hiccups During a Feed
You can’t completely prevent hiccups, but you can reduce how often they happen. The most effective strategy is managing how your baby feeds.
- Feed before your baby is frantic. A calm baby swallows less air. If you wait until your baby is extremely hungry and crying, they’ll gulp milk faster and take in more air with each swallow. Feeding at early hunger cues makes hiccups less likely.
- Pause and burp mid-feed. If hiccups start during a feeding, stop, change your baby’s position, and try to get a burp out. This releases trapped air from the stomach and takes pressure off the diaphragm. Wait until the hiccups pass before resuming. If they haven’t stopped within 5 to 10 minutes, try resuming the feed anyway, as the sucking and swallowing rhythm can sometimes help.
- Offer a pacifier. Non-nutritive sucking helps relax the diaphragm. If hiccups start between feeds, a pacifier can shorten the episode.
- Check your bottle setup. Anti-colic bottles are designed to reduce the amount of air a baby swallows. Features like vented bottoms, angled shapes, and valve systems prevent the bottle from creating a vacuum as your baby drinks. If you’re bottle feeding and hiccups are frequent, switching to a bottle with built-in venting or adjusting the nipple flow rate so milk isn’t coming too fast or too slow can make a noticeable difference.
- Keep your baby upright after feeding. Holding your baby in an upright position for 10 to 15 minutes after a feed helps gravity keep stomach contents down, reducing the chance that reflux triggers another round of hiccups.
What Not to Do
Adult hiccup remedies don’t work on babies and some are dangerous. Never try to startle your baby, hold their breath, press on their eyeballs, or pull their tongue. These folk remedies have no evidence behind them and can hurt a small infant. Hiccups resolve on their own, usually within a few minutes, and babies rarely seem distressed by them even when parents find them worrying.
When Hiccups Signal Something More
In the vast majority of cases, frequent hiccups are just part of being a baby and taper off as the digestive and nervous systems mature, typically by the time a baby is 6 to 12 months old. Hiccups become worth investigating when they’re accompanied by other symptoms: your baby is not gaining weight, spits up large amounts forcefully and frequently, seems to be in pain during or after feeds, or has hiccup episodes that last unusually long and never seem to let up. These patterns can point to GERD or, more rarely, to an issue with the nerves controlling the diaphragm. On their own, though, hiccups are one of the most normal things a baby’s body does.