My Baby Arches Their Back
Medically reviewed by Dr. Emily Torres, PhD, CCC-SLP · Pediatric Speech-Language Pathologist
Content reviewed against published AAP, AAP, NIH guidelines
Last reviewed:
Behavioral development varies greatly from child to child. If you have noticed arches their back, here is what you need to know.
The short answer
Back arching is very common in babies and usually a normal way of expressing frustration, discomfort, or just stretching and moving. Most babies arch their backs when upset, tired, or trying to see something. However, persistent arching with crying, especially during feeding, can be a sign of reflux or discomfort that should be discussed with your pediatrician.
Key takeaways
- Back arching is very common in babies and usually a normal way of expressing frustration, discomfort, or just stretching and moving. Most babies arch their backs when upset, tired, or trying to see something. However, persistent arching with crying, especially during feeding, can be a sign of reflux or discomfort that should be discussed with your pediatrician.
- Usually normal when: Your baby arches their back when upset, frustrated, or having a tantrum and calms down afterward
- Call your doctor if: Your baby arches their back and becomes stiff, unresponsive, or has unusual eye movements or jerking - this could be a seizure
- Varies by age — see the age-by-age breakdown below
Thousands of parents search for this exact thing. You are not alone.This is one of the most-searched concerns on our site.
What Parents Should Know
According to AAP, NIH guidelines, back arching is very common in babies and usually a normal way of expressing frustration, discomfort, or just stretching and moving. Most babies arch their backs when upset, tired, or trying to see something. However, persistent arching with crying, especially during feeding, can be a sign of reflux or discomfort that should be discussed with your pediatrician. At Newborn - 3 months, newborns often arch their backs when crying, stretching, or passing gas. It is also common during tummy time as they build neck and back strength. However, frequent arching during or after feeding, especially with crying or spitting up, may indicate reflux or another feeding issue. If arching is accompanied by stiffness, always turning to one side, or seems painful, mention it to your pediatrician. It is generally considered normal when your baby arches their back when upset, frustrated, or having a tantrum and calms down afterward. However, you should contact your pediatrician promptly if your baby arches their back and becomes stiff, unresponsive, or has unusual eye movements or jerking - this could be a seizure.
Normal vs. Concerning
By Age
What to expect by age
Newborn - 3 months
Newborns often arch their backs when crying, stretching, or passing gas. It is also common during tummy time as they build neck and back strength. However, frequent arching during or after feeding, especially with crying or spitting up, may indicate reflux or another feeding issue. If arching is accompanied by stiffness, always turning to one side, or seems painful, mention it to your pediatrician.
3-6 months
Babies at this age may arch their backs when frustrated, trying to roll over, or resisting being held in a certain position. Back arching can also be a way to communicate "I'm done" or "I want to see something else." Some babies arch when overstimulated. If your baby arches frequently during feedings and seems uncomfortable, or if the arching is very stiff and accompanied by other unusual movements, consult your doctor.
6-12 months
Older babies often arch their backs during tantrums or when they want to be put down (or picked up). This is a normal expression of frustration or preference. Arching while trying to see something or reach for a toy is also typical. Continued arching with feeding, especially if your baby is not gaining weight well, should be evaluated. Stiff arching or arching with unusual eye movements or loss of awareness may warrant urgent evaluation.
12+ months
Toddlers may arch their backs during tantrums or when resisting diaper changes, car seats, or other unwanted activities. This is normal toddler behavior. If arching seems involuntary, is very stiff, or is paired with other concerning symptoms (seizures, developmental regression, extreme irritability), contact your pediatrician.
What to Tell Your Pediatrician
- Describe when you first noticed arches their back 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 frequently arches during or after feeding and seems uncomfortable or cries.
- Mention if arching is paired with poor weight gain, frequent spitting up, or refusal to eat.
- 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 arches their back when upset, frustrated, or having a tantrum and calms down afterward
- Arching happens during stretching, playing, or practicing new motor skills like rolling
- Your baby is feeding well, gaining weight, and meeting developmental milestones
- Arching is flexible (your baby can be repositioned) and not accompanied by stiffness or pain
- Your baby is otherwise happy, engaged, and developing typically
- Your baby frequently arches during or after feeding and seems uncomfortable or cries
- Arching is paired with poor weight gain, frequent spitting up, or refusal to eat
- Your baby seems stiff when arching, or you have difficulty bending their body gently
- Arching is constant or very frequent and does not seem to be related to frustration or normal movement
- Your baby arches their back and becomes stiff, unresponsive, or has unusual eye movements or jerking - this could be a seizure
- Arching is accompanied by a high-pitched cry, fever, or your baby seems to be in severe pain
- Your baby arches their back and has difficulty breathing, turns blue, or becomes limp
What You Can Do at Home
- Keep track of when you notice arches their back — noting the time of day, duration, and any triggers can help your pediatrician.
- Remember that your baby arches their back when upset, frustrated, or having a tantrum and calms down afterward — this is generally within the range of normal.
- At Newborn - 3 months, focus on observation rather than intervention unless your pediatrician advises otherwise.
- Respond consistently and calmly to your baby's behavior. Maintain predictable daily routines.
- While monitoring at home, seek immediate care if your baby arches their back and becomes stiff, unresponsive, or has unusual eye movements or jerking - this could be a seizure.
Related Resources
Milestone Checklists by Age
Track your baby's developmental milestones from birth to 5 years with age-specific checklists.
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 arches their back normal?
When should I call the doctor about arches their back?
When is arches their back normal?
What causes arches their back?
What should I mention to my pediatrician about arches their back?
Is arches their back normal at Newborn - 3 months?
Is arches their back normal at 3-6 months?
Should I go to the ER for arches their back?
Does arches their back go away on its own?
References
Doctor Visit Checklist
Bring this checklist to your next pediatrician visit to discuss My Baby Arches Their Back.
Things to mention
- Describe when you first noticed arches their back 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 frequently arches during or after feeding and seems uncomfortable or cries.
- Mention if arching is paired with poor weight gain, frequent spitting up, or refusal to eat.
- Bring a list of any questions or observations you want to discuss at the appointment.
Observations to share
- Your baby frequently arches during or after feeding and seems uncomfortable or cries
- Arching is paired with poor weight gain, frequent spitting up, or refusal to eat
- Your baby seems stiff when arching, or you have difficulty bending their body gently
Urgent signs to report immediately
- Your baby arches their back and becomes stiff, unresponsive, or has unusual eye movements or jerking - this could be a seizure
- Arching is accompanied by a high-pitched cry, fever, or your baby seems to be in severe pain
- Your baby arches their back and has difficulty breathing, turns blue, or becomes limp
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 arches their back are normal. Talk to your pediatrician if your baby arches their back and becomes stiff, unresponsive, or has unusual eye movements or jerking - this could be a seizure.
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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