Baby Gas Relief: Why Your Newborn Is So Gassy and What Actually Helps

A parent gently holding a gassy newborn baby against their chest, trying to comfort and relieve gas pain

It’s 9 p.m. Your baby has been fed, burped, changed, and rocked. Everything on the checklist is done. And yet they’re still crying — a specific kind of cry, higher-pitched and more urgent, their legs pulling up toward their belly, their face scrunched in what can only be described as genuine discomfort.

Gas. Again.

Newborn gas pain is one of the most common reasons babies cry in the first months of life, and one of the most frustrating experiences for new parents because the cause isn’t always obvious and the fix isn’t always instant. It feels helpless, watching your baby struggle with something you can’t see or fully explain.

The good news: gas is almost always temporary, almost always manageable, and almost always a sign of a normal, developing digestive system — not something wrong. This guide gives you the science behind why newborns get so gassy, a clear set of techniques for baby gas relief that actually work, how to prevent it from happening so often, and when it’s time to call your pediatrician.

Key Takeaways

Newborn gas is extremely common because the infant digestive system is still developing — the muscles and bacteria needed to process milk efficiently take weeks to months to mature.
The most effective immediate baby gas relief techniques are bicycle legs, clockwise tummy massage, and burping during feeds — not drops or supplements.
Keeping your baby upright for 20 to 30 minutes after each feeding is one of the simplest and most underused prevention strategies.
For breastfed babies, maternal diet may occasionally be a contributing factor — but this is less common than parents assume and doesn’t require eliminating entire food groups without evidence.
Gas drops (simethicone) are widely used and considered safe, but clinical evidence for their effectiveness is limited — they work for some babies and not others.

Why Is My Newborn So Gassy? The Real Reasons

Before you can relieve gas, it helps to understand where it’s actually coming from. Newborn gassiness has a few distinct causes, and identifying which one applies to your baby helps you choose the right approach.

A parent doing bicycle leg exercises with a newborn baby lying on their back to relieve gas

An Immature Digestive System

The most fundamental reason newborns get gassy is that their entire digestive system — the muscles, the enzymes, the gut microbiome — is still in early development. The intestinal muscles that move food through the digestive tract (called peristalsis) aren’t yet coordinated. The bacteria needed to break down certain sugars in milk aren’t fully established. The result is that gas builds up in ways it wouldn’t in an older baby or adult.

This isn’t something you can fix — it’s something that improves with time. Most parents notice significant improvement in gassiness between 3 and 4 months, when the digestive system has had time to mature.

Swallowing Air During Feeding

This is the most immediately fixable cause. Every time your baby feeds, they swallow some air along with milk. The amount varies significantly depending on:

Latch quality: A shallow breastfeeding latch means more air enters with each suck. A deeper latch significantly reduces air swallowing.
Bottle angle: A bottle held too horizontally means your baby is swallowing as much air as milk. Tilting the bottle so the nipple stays filled with liquid reduces this.
Flow rate: A bottle nipple that’s too fast for your baby’s age causes them to gulp — swallowing large amounts of milk and air together.
Feeding pace: A baby who is very hungry and feeding frantically takes in more air than one feeding calmly at a moderate pace.

Crying Before Feeding

A baby who has been left to cry from hunger and has become genuinely distressed swallows significant amounts of air before the feeding even begins. Feeding an already-upset baby — gasping, hiccupping, crying — means they arrive at the breast or bottle with a stomach already partly full of air.

An Immature Gut Microbiome

The community of bacteria in your baby’s digestive tract — their microbiome — is still being established in the first weeks of life. Certain bacteria that help break down lactose and other milk sugars may not be present in sufficient quantities yet, leading to fermentation and gas production in the intestine. This is one reason some babies seem gassier than others, and why the pattern often improves naturally around 3 months.

Maternal Diet (for Breastfed Babies)

This one deserves a nuanced answer because it’s often over-blamed. Some components of a mother’s diet can pass into breast milk and occasionally cause gas or discomfort in sensitive babies. The most commonly reported culprits are dairy, cruciferous vegetables (broccoli, cauliflower, cabbage), onions, and soy.

However, the research on this is genuinely mixed. Most babies are not affected by their mother’s diet. And eliminating entire food groups without clear evidence that they’re causing a problem isn’t recommended — it can unnecessarily restrict a mother’s nutrition.

If you suspect a dietary link, keep a simple food diary for a week. If a specific food consistently precedes a gassy episode in your baby, try eliminating it for 2 weeks and observe. Do this with one food at a time, not multiple eliminations simultaneously.

How to Tell If Your Baby Has Gas Pain

Not every fussy baby is a gassy baby. Knowing the signs helps you respond appropriately.

Signs that gas is likely the culprit:

Drawing the knees toward the belly or arching the back
A hard, visibly bloated-looking abdomen
Crying that intensifies but resolves shortly after passing gas
Passing gas frequently but seeming uncomfortable between episodes
Fussiness that seems worse after feeds

Signs that might suggest something else:

Crying that persists regardless of position, movement, or gas relief attempts
Fever, vomiting, diarrhea, or blood in the stool
Refusing to feed across multiple sessions
Significant weight loss or failure to gain weight

If you’re seeing any of those second-category signs alongside gassiness, that’s a conversation for your pediatrician.

How to Relieve Baby Gas: Techniques That Work

A parent pausing a bottle feeding to burp their newborn baby mid-feed to prevent gas buildup

Bicycle Legs — The Most Effective Immediate Relief

This is the technique that pediatricians and parents consistently report as the most useful for immediate baby gas relief, and there’s a clear mechanical reason why: the cycling motion physically moves gas through the intestines toward the exit.

How to do it: Lay your baby on their back on a firm, flat surface. Hold their ankles gently and move their legs in a slow pedaling motion — one leg pushing up toward the belly while the other extends, alternating in a smooth rhythm. Continue for 2 to 3 minutes. You may hear or feel gas moving, which is exactly what you’re aiming for.

Variation: If bicycle legs aren’t working, try bringing both knees up toward the belly simultaneously, holding for 10 seconds, then extending both legs. Repeat 5 to 6 times.

Clockwise Tummy Massage

Gentle abdominal massage encourages peristalsis — the wave-like muscle movements that push gas through the digestive tract. The key detail is direction: always move clockwise when looking at your baby’s belly, because that’s the direction food naturally moves through the intestine.

How to do it: With your baby lying on their back, use two or three fingers to make small, gentle circles starting just below the belly button. Gradually expand the circles to cover the whole abdomen, always moving clockwise. Apply gentle but firm pressure — not so light that it tickles, not so firm that it causes discomfort. Continue for 3 to 5 minutes.

The “I Love U” technique targets specifically trapped gas in the descending colon: trace a vertical “I” down the left side of the belly, then an inverted “L” across the top and down the left, then an upside-down “U” across the bottom and up the right side. Some parents find this more effective for stubborn gas.

Burping During and After Feeds

Burping is the most direct way to release swallowed air before it travels deeper into the digestive tract and causes pain. Most parents burp only at the end of a feeding — burping mid-feed, when your baby naturally pauses or slows down, is often more effective.

Timing:

Breastfed babies: burp when switching sides
Bottle-fed babies: burp every 2 to 3 ounces, not just at the end

Three effective positions:

Over the shoulder with chest against your shoulder and gentle back patting
Sitting upright on your lap with one hand supporting the chest and chin
Face-down across your lap, head higher than the chest, with gentle back rubbing

Try each position for 1 to 2 minutes before moving to the next. Not every feeding produces an audible burp — that’s fine.

Tummy Time

Beyond its role in neck and upper body development, tummy time provides gentle pressure on the abdomen that can help move trapped gas. The key: do it 20 to 30 minutes after a feed, never immediately after — a full stomach combined with the pressure of tummy time can cause spit-up.

Upright Holding After Feeds

Keeping your baby in an upright position for 20 to 30 minutes after a feeding allows gravity to help keep milk in the stomach and air rising to where it can be burped out more easily. A baby carrier or wrap makes this easier to sustain, as it leaves your hands free.

Warm Bath

The warmth of a warm bath relaxes the abdominal muscles, which can help release trapped gas and ease discomfort. This works best as a soothing measure once the gas is already causing distress — combine it with gentle tummy massage in the water for added effect.

Preventing Baby Gas: Feeding Adjustments That Make a Real Difference

A newborn baby doing tummy time on a soft play mat to help relieve gas with gentle abdominal pressure

Feed Before Your Baby Reaches Peak Hunger

A frantic, crying-hungry baby gulps milk and air in roughly equal measure. Starting a feed when hunger cues are early — rooting, mouthing, increased alertness — rather than late (active crying) makes the feed calmer and reduces air swallowing significantly.

Check Latch and Bottle Setup

For breastfed babies: ensure your baby has a deep latch with lips flanged outward. A lactation consultant can assess this quickly if gassiness is severe and persistent.

For bottle-fed babies: tilt the bottle so the nipple is always filled with milk, not air. Consider switching to a slow-flow nipple if your baby gulps or sputters. Anti-colic bottles — designed to reduce air intake — work for some babies.

Pace Bottle Feeding

Hold the bottle at a low angle rather than tilting it steeply upright. Pause every 2 to 3 ounces to burp and let your baby rest briefly. This mimics the natural pauses of breastfeeding and significantly reduces the amount of air swallowed.

Keep Your Baby Calm and Fed Regularly

Babies who are fed on a reasonably predictable schedule — before they become distressed — feed more calmly and swallow less air. This doesn’t mean rigid scheduling; it means responding to early hunger cues rather than waiting until your baby is inconsolable.

Gas Drops and Gripe Water: Do They Actually Work?

Simethicone drops (like Mylicon or Little Remedies) are the most commonly used over-the-counter baby gas remedy. They work by breaking large gas bubbles into smaller ones that are easier to pass. They are considered safe for newborns and have no known side effects.

However — and this is important — the clinical evidence for their effectiveness is genuinely mixed. Multiple controlled studies have found simethicone no more effective than placebo for infant gas and colic. They work for some babies and not others. If you want to try them, they’re safe to do so, but don’t be surprised if they don’t make a dramatic difference.

Gripe water is a herbal remedy (typically containing ginger, fennel, and sometimes chamomile) marketed for gas, colic, and digestive discomfort. Evidence for effectiveness is limited, and some formulations contain alcohol, sugar, or herbal ingredients not appropriate for young infants. If you choose to try it, select an alcohol-free version and confirm with your pediatrician first.

Probiotic drops (particularly Lactobacillus reuteri) have more promising research behind them for colicky, gassy babies, particularly those who are breastfed. A 2014 study in JAMA Pediatrics found L. reuteri reduced daily crying time in breastfed colicky infants. They’re worth discussing with your pediatrician if gas and crying are severe.

If Nothing Is Working: What to Try Next

If you’ve consistently tried bicycle legs, tummy massage, mid-feed burping, and upright holding for a week and your baby is still significantly uncomfortable:

Reassess feeding mechanics. A single session with a lactation consultant (for breastfed babies) or a careful review of bottle positioning can sometimes identify an air-swallowing issue that’s hard to spot on your own.
Try a different formula. For formula-fed babies, switching to a partially hydrolyzed or sensitive formula — ideally with your pediatrician’s guidance — sometimes helps.
Consider whether this might be colic. Colic is defined as crying for more than 3 hours per day, more than 3 days per week, in an otherwise healthy baby. Gas and colic often coexist. If your baby meets those criteria, mention it to your pediatrician.
Rule out reflux. Gastroesophageal reflux can cause gas-like symptoms — fussiness, arching, apparent abdominal discomfort — alongside more typical reflux signs like frequent spit-up and back-arching during feeds.

Warning Signs: When to Call Your Pediatrician

Call your pediatrician if:

Your baby seems to be in constant pain despite consistent gas relief efforts
Gas is accompanied by vomiting, diarrhea, or blood in the stool
Your baby has a fever (any fever above 100.4°F / 38°C in a baby under 3 months is always a reason to call)
Your baby is refusing feeds across multiple sessions
Your baby is not gaining weight or seems to be losing weight
The abdomen feels hard and distended and doesn’t soften after passing gas
You notice blood in the stool — this is always worth a same-day call

FAQ: What Parents Ask Most About Baby Gas

How do I know if my baby has gas pain or something more serious? Gas pain typically improves when the baby passes gas — you’ll see their body relax and crying ease. Persistent crying that doesn’t respond to any position change, gas relief technique, or feeding is worth discussing with your pediatrician, as is any accompanying fever, vomiting, or change in stool.

Is it normal for newborns to pass gas constantly? Yes. Newborns can pass gas 13 to 21 times per day — this is within the normal range. Frequent gas-passing is not itself a problem; it’s only a concern if it’s accompanied by obvious discomfort, crying, or bloating.

Does gripe water help with newborn gas? Evidence is limited. Gripe water is safe in alcohol-free formulations but hasn’t been shown to consistently outperform placebo in clinical studies. Bicycle legs and tummy massage are more reliably effective.

Should I change my diet if I’m breastfeeding and my baby is gassy? Only if you have a specific reason to suspect a dietary link — such as gas consistently following a specific food. Blanket elimination diets are not recommended without evidence, as they can restrict your nutrition unnecessarily. Keep a food diary first, then test one food at a time.

At what age do babies stop being so gassy? Most babies show significant improvement in gassiness between 3 and 4 months, as the digestive system matures and the gut microbiome becomes more established. The improvement is usually gradual but noticeable.

Can I use gas drops every day? Simethicone drops are considered safe for regular use. However, if you find yourself relying on them daily for weeks with little effect, it’s worth revisiting feeding mechanics and consulting your pediatrician rather than continuing indefinitely.

Gas Gets Better — This Phase Passes

The nightly gas sessions, the bicycle legs at 10 p.m., the desperate tummy massages — they’re exhausting and they’re real. But they are a phase. By 3 to 4 months, most babies have moved through the worst of it as their digestive systems catch up to the rest of their development.

Until then: consistent feeding adjustments, mid-feed burping, bicycle legs, and tummy massage are your most reliable tools. Be patient with your baby and with yourself. You’re doing exactly the right things.

References

Children’s Hospital of Philadelphia. How to Help a Newborn with Gas. CHOP Health Tip, 2024. https://www.chop.edu/news/health-tip/how-help-newborn-gas
Cleveland Clinic. Gassy Baby? Try These 9 Gas Relief Tips. Health Essentials, 2024. https://health.clevelandclinic.org/how-to-relieve-baby-gas
Savino F, et al. Lactobacillus reuteri DSM 17938 in infantile colic: a randomized, double-blind, placebo-controlled trial. JAMA Pediatrics, 2014. doi:10.1001/jamapediatrics.2013.4367
American Academy of Pediatrics. Gas and Bloating. HealthyChildren.org, 2023. https://www.healthychildren.org

This article is for informational purposes only and does not constitute medical advice. Always consult your pediatrician with specific concerns about your baby’s digestive health or comfort.