Babies get hiccups after eating because their diaphragm, the muscle that controls breathing, contracts involuntarily when the stomach stretches or when they swallow air during a feeding. This is extremely common in newborns and young infants, and a typical episode lasts about eight minutes. While it can look uncomfortable, hiccups are a normal part of infancy and may actually serve an important purpose in your baby’s development.
What Happens Inside Your Baby’s Body
The diaphragm sits just above the stomach. When your baby feeds, their stomach expands with milk, and that pressure can irritate or stimulate the diaphragm into sudden, involuntary contractions. Each contraction snaps the vocal cords shut, producing the familiar “hic” sound. Swallowed air adds to the effect by further stretching the stomach.
Newborns are especially prone to this because the nerves controlling their diaphragm are still maturing. The circuits that process body sensations aren’t fully developed at birth, which means the signals between the brain and the breathing muscles are still being fine-tuned. A 2019 study from University College London found that each hiccup triggers a distinct pattern of brainwaves in a newborn’s cortex. The researchers suggested these signals may help the baby’s brain learn to monitor and eventually control the diaphragm voluntarily. In other words, hiccups might be part of how your baby’s brain figures out how breathing works.
Why Feeding Is the Main Trigger
Feeding creates the perfect conditions for hiccups in a few ways:
- Stomach distension. A full stomach presses against the diaphragm, especially when a baby feeds quickly or takes in a large volume.
- Swallowed air. Babies naturally gulp some air along with milk, particularly from a bottle. That extra air inflates the stomach further.
- Feeding while upset. A baby who is crying or fussing before a feeding swallows more air, making post-meal hiccups more likely.
- Fast milk flow. A bottle nipple with too fast a flow, or a strong letdown reflex during breastfeeding, can overwhelm a baby and cause rapid swallowing.
Monitoring studies have shown that healthy infants spend about 2.5% of their observed time hiccupping, which adds up to a surprising amount across a day filled with frequent feedings.
How to Prevent Hiccups Before They Start
You can’t eliminate hiccups entirely, but a few adjustments to feeding routines make them less frequent.
Feed your baby in a more upright position. Propping them up on a pillow so they aren’t lying flat helps them take in less air at mealtimes. If you’re bottle-feeding, try a slower-flow nipple so your baby doesn’t have to gulp to keep up.
Burp breaks make a real difference. Try pausing to burp after every two to three ounces from a bottle. If you’re nursing, burp your baby when you switch sides. Three effective burping positions: hold your baby upright with their head on your shoulder and gently pat their back; sit them on your lap and support their chest and head with one hand while patting with the other; or lay them across your lap face-down with their head slightly higher than their chest.
Timing matters too. If your baby gets hiccups often, try to start feedings when they’re calm and before they’re extremely hungry. A frantic, crying baby swallows more air and feeds more aggressively, both of which set the stage for hiccups.
What to Do During an Active Episode
If hiccups strike mid-feeding, pause and change your baby’s position. Try to get a burp out, or simply let your baby relax for a moment. Wait until the hiccups stop before resuming the feeding. If they don’t go away within five to ten minutes, try offering a few more minutes of feeding. This usually stops them on its own.
After the feeding is done, keep your baby upright for 10 to 15 minutes. This helps both with hiccups and with reducing spit-up, since gravity keeps the stomach contents settled.
One important note: the folk remedies adults use on themselves, like startling someone or pressing on their eyeballs, are not safe for babies. Stick to repositioning, burping, and patience.
When Hiccups Signal Something More
Occasional post-feeding hiccups, even daily ones, are normal throughout the first year. They tend to decrease as your baby’s digestive and nervous systems mature. Most babies hiccup noticeably less by six to twelve months of age.
Hiccups deserve a conversation with your pediatrician if they’re accompanied by other signs of distress: frequent, forceful vomiting after feeds, poor weight gain, arching of the back during or after eating, or obvious pain and prolonged crying during hiccup episodes. These can point to gastroesophageal reflux that’s gone beyond the normal range. Hiccups that last for unusually long stretches, well beyond the typical eight-minute average, or that seem to interfere with your baby’s ability to feed or sleep are also worth mentioning at your next visit.