Bloating and Excessive Gas in Babies
Medically reviewed by Dr. Sarah Chen, MD, FAAP · Board-Certified Pediatrician
Content reviewed against published AAP, NIH, AAP guidelines
Last reviewed:
Digestive issues are common in infants and toddlers. If your baby is experiencing bloating and excessive gas in babies, here is what you need to know.
The short answer
Gas and mild bloating are extremely common in babies, especially in the first 3-4 months of life. Babies have immature digestive systems and swallow air during feeding and crying, which produces gas. A gassy baby who is otherwise feeding well, growing, and having normal stools is almost always fine. The gassiness tends to improve significantly after 3-4 months as the digestive system matures.
Key takeaways
- Gas and mild bloating are extremely common in babies, especially in the first 3-4 months of life. Babies have immature digestive systems and swallow air during feeding and crying, which produces gas. A gassy baby who is otherwise feeding well, growing, and having normal stools is almost always fine. The gassiness tends to improve significantly after 3-4 months as the digestive system matures.
- Usually normal when: Your baby is gassy but is feeding well, gaining weight, and having normal stools for their age
- Call your doctor if: Your baby's abdomen is very distended, hard, and rigid rather than soft and squishy, especially if accompanied by vomiting or no stool output
- Varies by age — see the age-by-age breakdown below
“The biggest concern with vomiting is dehydration. Young children can become dehydrated quickly, so it's important to replace fluids. Offer small amounts of an oral rehydration solution frequently.”
Parents everywhere have the same worry. You are doing the right thing by looking into it.
What Parents Should Know
According to AAP, NIH guidelines, gas and mild bloating are extremely common in babies, especially in the first 3-4 months of life. Babies have immature digestive systems and swallow air during feeding and crying, which produces gas. A gassy baby who is otherwise feeding well, growing, and having normal stools is almost always fine. The gassiness tends to improve significantly after 3-4 months as the digestive system matures. At 0-3 months, this is the peak period for gassiness. Newborns swallow air during feeding, their intestinal muscles are still learning to coordinate, and their gut bacteria are just beginning to establish. Babies may squirm, grunt, pull their legs up, and cry from gas discomfort. Frequent burping during and after feeds, bicycle leg movements, and tummy time can help. Gas drops (simethicone) are safe and may help some babies, though evidence is mixed. It is generally considered normal when your baby is gassy but is feeding well, gaining weight, and having normal stools for their age. However, you should contact your pediatrician promptly if your baby's abdomen is very distended, hard, and rigid rather than soft and squishy, especially if accompanied by vomiting or no stool output.
Normal vs. Concerning
By Age
What to expect by age
0-3 months
This is the peak period for gassiness. Newborns swallow air during feeding, their intestinal muscles are still learning to coordinate, and their gut bacteria are just beginning to establish. Babies may squirm, grunt, pull their legs up, and cry from gas discomfort. Frequent burping during and after feeds, bicycle leg movements, and tummy time can help. Gas drops (simethicone) are safe and may help some babies, though evidence is mixed.
3-6 months
Gas issues typically improve significantly around 3-4 months as the digestive system matures and feeding coordination improves. If excessive gassiness persists beyond 4 months, especially with other symptoms like blood in stool or severe fussiness, it could suggest a food sensitivity (such as cow's milk protein in a breastfeeding mother's diet or in formula). Otherwise, mild ongoing gassiness is still normal at this age.
6-12 months
New gassiness may appear when solids are introduced, as the gut adjusts to digesting different foods. Foods that commonly cause gas include beans, broccoli, cauliflower, and some fruits. This is temporary and does not mean your baby cannot tolerate these foods long-term. Introducing new foods one at a time helps you identify which ones cause more gas. Adequate fluid intake alongside solids also helps digestion.
12-24 months
Toddlers may experience gas from increased dietary variety, particularly with the introduction of cow's milk, high-fiber foods, or juice. Some gassiness is normal as the diet expands. If your toddler has persistent bloating, foul-smelling gas, and changes in stool pattern, it may be worth discussing possible food intolerances with your pediatrician.
What to Tell Your Pediatrician
- Describe when you first noticed bloating and excessive gas in babies and how it has changed over time.
- Note your baby's current age and which age-specific patterns you are seeing.
- Mention if excessive gas is accompanied by persistent fussiness, poor feeding, or stools that are consistently unusual in color or consistency.
- Mention if you suspect a specific food is causing your baby significant gas and discomfort and want guidance on elimination.
- Bring a list of any questions or observations you want to discuss at the appointment.
What Should You Do?
When to take action
- Your baby is gassy but is feeding well, gaining weight, and having normal stools for their age
- Gas is worst in the first 3-4 months and is gradually improving
- Your baby passes gas frequently but is generally content between episodes and can be soothed
- Gas increases temporarily after introducing new solid foods
- Excessive gas is accompanied by persistent fussiness, poor feeding, or stools that are consistently unusual in color or consistency
- You suspect a specific food is causing your baby significant gas and discomfort and want guidance on elimination
- Gas and bloating persist beyond 4 months of age without improvement, especially if your baby seems to be in pain during and after most feedings
- Your baby has excessive gas along with frequent spitting up or reflux symptoms
- Your baby's abdomen is very distended, hard, and rigid rather than soft and squishy, especially if accompanied by vomiting or no stool output
- Your baby has severe, inconsolable crying with a very bloated belly, which could indicate a bowel obstruction or other abdominal emergency
- Bloating is accompanied by green (bilious) vomiting, bloody stools, or signs of severe pain such as drawing legs up tightly and screaming
What You Can Do at Home
- Keep track of when you notice bloating and excessive gas in babies — noting the time of day, duration, and any triggers can help your pediatrician.
- Remember that your baby is gassy but is feeding well, gaining weight, and having normal stools for their age — this is generally within the range of normal.
- At 0-3 months, focus on observation rather than intervention unless your pediatrician advises otherwise.
- Keep your baby upright for 20-30 minutes after feeding. Note any patterns between feeds and symptoms.
- While monitoring at home, seek immediate care if your baby's abdomen is very distended, hard, and rigid rather than soft and squishy, especially if accompanied by vomiting or no stool output.
Related Resources
Excessive Crying Triage
Determine whether crying patterns need medical attention.
Poop Color & Texture Guide
What your baby's poop color and consistency mean, and when to worry.
Month-by-Month Development
Detailed monthly development guides from birth through 24 months.
When to Call the Doctor
General guide on when to call the pediatrician, visit urgent care, or go to the ER.
Frequently asked questions
Is bloating and excessive gas in babies normal?
When should I call the doctor about bloating and excessive gas in babies?
When is bloating and excessive gas in babies normal?
What causes bloating and excessive gas in babies?
What should I mention to my pediatrician about bloating and excessive gas in babies?
Is bloating and excessive gas in babies normal at 0-3 months?
Is bloating and excessive gas in babies normal at 3-6 months?
Should I go to the ER for bloating and excessive gas in babies?
Does bloating and excessive gas in babies go away on its own?
References
Doctor Visit Checklist
Bring this checklist to your next pediatrician visit to discuss Bloating and Excessive Gas in Babies.
Things to mention
- Describe when you first noticed bloating and excessive gas in babies and how it has changed over time.
- Note your baby's current age and which age-specific patterns you are seeing.
- Mention if excessive gas is accompanied by persistent fussiness, poor feeding, or stools that are consistently unusual in color or consistency.
- Mention if you suspect a specific food is causing your baby significant gas and discomfort and want guidance on elimination.
- Bring a list of any questions or observations you want to discuss at the appointment.
Observations to share
- Excessive gas is accompanied by persistent fussiness, poor feeding, or stools that are consistently unusual in color or consistency
- You suspect a specific food is causing your baby significant gas and discomfort and want guidance on elimination
- Gas and bloating persist beyond 4 months of age without improvement, especially if your baby seems to be in pain during and after most feedings
Urgent signs to report immediately
- Your baby's abdomen is very distended, hard, and rigid rather than soft and squishy, especially if accompanied by vomiting or no stool output
- Your baby has severe, inconsolable crying with a very bloated belly, which could indicate a bowel obstruction or other abdominal emergency
- Bloating is accompanied by green (bilious) vomiting, bloody stools, or signs of severe pain such as drawing legs up tightly and screaming
My notes
From ismybabyalright.com — free, evidence-based baby health guides
All content follows our editorial policy and is reviewed against published clinical guidelines.
2,705 evidence-based guides6 authoritative medical sources5 medical advisory board members
Related Resources
Bottom line
Most cases of bloating and excessive gas in babies are normal. Talk to your pediatrician if your baby's abdomen is very distended, hard, and rigid rather than soft and squishy, especially if accompanied by vomiting or no stool output.
Trust your instincts. If something feels wrong, reach out to your pediatrician. Worrying about your baby means you care — that is a good thing.
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Related Digestive Concerns
My Baby's Belly Looks Swollen
A rounded, slightly protruding belly is completely normal in babies and toddlers due to immature abdominal muscles and their proportionally larger organs. However, if the belly becomes suddenly swollen, feels hard and tight, or is accompanied by pain, vomiting, or changes in bowel movements, it needs medical evaluation as it could signal gas buildup, constipation, or rarely, something more serious.
My Baby Has an Anal Fissure (Blood When Pooping)
A small streak of bright red blood on the surface of your baby's stool or on the diaper is most commonly caused by an anal fissure, which is a tiny tear in the skin around the anus from passing hard stool. Anal fissures are very common in babies and toddlers and usually heal on their own with simple measures like keeping stools soft. While this is rarely serious, any blood in your baby's stool should be mentioned to your pediatrician.
Can Antibiotics Damage My Baby's Gut?
Antibiotics can temporarily disrupt your baby's gut microbiome, which may cause loose stools, fussiness, or diaper rash during and shortly after treatment. However, when antibiotics are medically necessary, the benefits of treating the infection far outweigh the temporary gut disruption. Most babies' microbiomes recover within weeks to months, especially with breastfeeding and a gradual return to normal feeding patterns.
Tummy Massage for Baby Gas
Gentle abdominal massage can help relieve gas and discomfort in babies by encouraging gas to move through the intestines. The technique involves gentle clockwise circular motions on the belly (following the direction of the digestive tract), the "I Love U" stroke pattern, and gentle knee-to-tummy movements. Massage also provides comforting touch that can soothe a fussy baby.
Silent Reflux in Baby
Silent reflux occurs when stomach acid rises into the esophagus and throat but is swallowed back down rather than spit up. Babies with silent reflux may be fussy during or after feeds, arch their back, have hoarse crying, or refuse to eat, but without visible spitting up. It can be harder to diagnose than typical reflux because there is no obvious spit-up.
Bicycle Legs Technique for Gas
Bicycle legs is a simple, effective technique for helping babies pass trapped gas. Gently moving your baby's legs in a cycling motion pushes against the abdomen and helps gas move through the intestines. Combined with gentle belly massage and tummy time, it is one of the best non-medical approaches to gas relief in infants.