Baby Tongue Thrust Reflex
Medically reviewed by Dr. Rachel Kim, MD, RDN · Pediatric Nutrition Specialist
Content reviewed against published AAP, CDC, AAP guidelines
Last reviewed:
Feeding challenges are one of the most common concerns new parents face. When it comes to baby tongue thrust reflex, here is what the guidelines recommend.
The short answer
The tongue thrust reflex, also called the extrusion reflex, is a normal protective reflex that causes babies to push objects out of their mouth with their tongue. This reflex is present from birth and is designed to prevent choking. It typically fades between 4 and 6 months of age, which is one of the key signs of readiness for solid foods. If your baby is pushing food out, they may simply not be ready for solids yet.
Key takeaways
- The tongue thrust reflex, also called the extrusion reflex, is a normal protective reflex that causes babies to push objects out of their mouth with their tongue. This reflex is present from birth and is designed to prevent choking. It typically fades between 4 and 6 months of age, which is one of the key signs of readiness for solid foods. If your baby is pushing food out, they may simply not be ready for solids yet.
- Usually normal when: Your baby under 6 months pushes food out when you try to introduce solids
- Call your doctor if: Your baby has difficulty swallowing liquids and shows signs of aspiration such as coughing, choking, or wet-sounding breathing during feeds
- Varies by age — see the age-by-age breakdown below
“The AAP recommends exclusive breastfeeding for approximately 6 months after birth. Furthermore, the AAP supports continued breastfeeding, along with appropriate complementary foods introduced at about 6 months, for 2 years or beyond.”
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What Parents Should Know
According to AAP, CDC guidelines, the tongue thrust reflex, also called the extrusion reflex, is a normal protective reflex that causes babies to push objects out of their mouth with their tongue. This reflex is present from birth and is designed to prevent choking. It typically fades between 4 and 6 months of age, which is one of the key signs of readiness for solid foods. If your baby is pushing food out, they may simply not be ready for solids yet. At 0-4 months, the tongue thrust reflex is fully active and very strong at this age. This is one of the reasons experts recommend waiting until at least 4 months (and ideally around 6 months) to start solid foods. If food is placed on a young baby's tongue, the reflex will push it right back out. This is completely normal and protective, not a sign that anything is wrong. It is generally considered normal when your baby under 6 months pushes food out when you try to introduce solids. However, you should contact your pediatrician promptly if your baby has difficulty swallowing liquids and shows signs of aspiration such as coughing, choking, or wet-sounding breathing during feeds.
Normal vs. Concerning
By Age
What to expect by age
0-4 months
The tongue thrust reflex is fully active and very strong at this age. This is one of the reasons experts recommend waiting until at least 4 months (and ideally around 6 months) to start solid foods. If food is placed on a young baby's tongue, the reflex will push it right back out. This is completely normal and protective, not a sign that anything is wrong.
4-6 months
The tongue thrust reflex gradually diminishes during this window as your baby's oral motor skills develop. Your baby's tongue begins to learn to move food from the front to the back of the mouth for swallowing. Testing readiness for solids by offering a small amount of thin puree on a spoon can tell you if the reflex has faded enough. If food comes right back out every time, wait a week or two and try again.
6-8 months
Most babies have lost the tongue thrust reflex by 6 months, allowing them to manage purees and soft foods. If your baby is still strongly pushing all food out at 7 or 8 months, it may indicate that their oral motor development is a bit behind. Continue offering tastes and textures. If the reflex persists beyond 8 months, mention it to your pediatrician, as it may warrant a feeding evaluation.
8 months+
A persistent tongue thrust reflex beyond 8 months is uncommon and may indicate oral motor difficulties or a neurological consideration. It does not necessarily mean something serious, but a speech-language pathologist or occupational therapist who specializes in feeding can assess your baby and offer exercises and strategies to help with tongue control and food management.
What to Tell Your Pediatrician
- Describe when you first noticed baby tongue thrust reflex and how it has changed over time.
- Note your baby's current age and which age-specific patterns you are seeing.
- Mention if your baby is over 7 months and still pushing out all food with their tongue despite regular practice.
- Mention if your baby has difficulty coordinating sucking, swallowing, and breathing during liquid feeds.
- 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 under 6 months pushes food out when you try to introduce solids
- Your baby is gradually improving at keeping food in their mouth over several weeks of practice
- Your baby pushes out new or unfamiliar textures but manages familiar purees
- Your baby shows other signs of readiness like sitting and interest in food even though they still push some food out
- Your baby is over 7 months and still pushing out all food with their tongue despite regular practice
- Your baby has difficulty coordinating sucking, swallowing, and breathing during liquid feeds
- Your baby seems to have limited tongue movement overall, including during babbling
- Your baby has difficulty swallowing liquids and shows signs of aspiration such as coughing, choking, or wet-sounding breathing during feeds
- Your baby has a persistent tongue thrust combined with difficulty gaining weight and other developmental concerns
What You Can Do at Home
- Keep track of when you notice baby tongue thrust reflex — noting the time of day, duration, and any triggers can help your pediatrician.
- Remember that your baby under 6 months pushes food out when you try to introduce solids — this is generally within the range of normal.
- At 0-4 months, focus on observation rather than intervention unless your pediatrician advises otherwise.
- Offer feeding in a calm, distraction-free environment. Avoid forcing or pressuring your baby to eat.
- While monitoring at home, seek immediate care if your baby has difficulty swallowing liquids and shows signs of aspiration such as coughing, choking, or wet-sounding breathing during feeds.
Related Resources
Milestone Checklists by Age
Track your baby's developmental milestones from birth to 5 years with age-specific checklists.
Feeding & Nutrition Guide
Complete guide to breastfeeding, formula feeding, and solid food introduction.
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 baby tongue thrust reflex normal?
When should I call the doctor about baby tongue thrust reflex?
When is baby tongue thrust reflex normal?
What causes baby tongue thrust reflex?
What should I mention to my pediatrician about baby tongue thrust reflex?
Is baby tongue thrust reflex normal at 0-4 months?
Is baby tongue thrust reflex normal at 4-6 months?
Should I go to the ER for baby tongue thrust reflex?
Does baby tongue thrust reflex go away on its own?
References
Doctor Visit Checklist
Bring this checklist to your next pediatrician visit to discuss Baby Tongue Thrust Reflex.
Things to mention
- Describe when you first noticed baby tongue thrust reflex and how it has changed over time.
- Note your baby's current age and which age-specific patterns you are seeing.
- Mention if your baby is over 7 months and still pushing out all food with their tongue despite regular practice.
- Mention if your baby has difficulty coordinating sucking, swallowing, and breathing during liquid feeds.
- Bring a list of any questions or observations you want to discuss at the appointment.
Observations to share
- Your baby is over 7 months and still pushing out all food with their tongue despite regular practice
- Your baby has difficulty coordinating sucking, swallowing, and breathing during liquid feeds
- Your baby seems to have limited tongue movement overall, including during babbling
Urgent signs to report immediately
- Your baby has difficulty swallowing liquids and shows signs of aspiration such as coughing, choking, or wet-sounding breathing during feeds
- Your baby has a persistent tongue thrust combined with difficulty gaining weight and other developmental concerns
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 baby tongue thrust reflex are normal. Talk to your pediatrician if your baby has difficulty swallowing liquids and shows signs of aspiration such as coughing, choking, or wet-sounding breathing during feeds.
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 Feeding Concerns
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Could My Baby Be Aspirating During Feeding?
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