Toddler Biting at Daycare - Why and How to Stop It
Medically reviewed by Dr. Emily Torres, PhD, CCC-SLP · Pediatric Speech-Language Pathologist
Content reviewed against published AAP, Zero to Three, NIH guidelines
Last reviewed:
Behavioral development varies greatly from child to child. If you have noticed toddler biting at daycare - why and how to stop it, here is what you need to know.
The short answer
Biting is one of the most common behavioral issues in toddlers aged 1-3, especially in group settings like daycare. Toddlers bite because they lack the language and impulse control to express big emotions (frustration, excitement, overwhelm, or a need for space). It is not a sign of aggression, bad parenting, or a future behavioral problem. Most children stop biting by age 3-3.5 as their language and emotional regulation skills develop. Consistent, calm responses from all caregivers are the key to reducing biting.
Key takeaways
- Biting is one of the most common behavioral issues in toddlers aged 1-3, especially in group settings like daycare. Toddlers bite because they lack the language and impulse control to express big emotions (frustration, excitement, overwhelm, or a need for space). It is not a sign of aggression, bad parenting, or a future behavioral problem. Most children stop biting by age 3-3.5 as their language and emotional regulation skills develop. Consistent, calm responses from all caregivers are the key to reducing biting.
- Usually normal when: Your toddler goes through a brief biting phase lasting a few weeks to months
- Call your doctor if: Biting is causing serious injury to other children or adults
- Varies by age — see the age-by-age breakdown below
Parents everywhere have the same worry. You are doing the right thing by looking into it.
What Parents Should Know
According to AAP, Zero to Three, NIH guidelines, biting is one of the most common behavioral issues in toddlers aged 1-3, especially in group settings like daycare. Toddlers bite because they lack the language and impulse control to express big emotions (frustration, excitement, overwhelm, or a need for space). It is not a sign of aggression, bad parenting, or a future behavioral problem. Most children stop biting by age 3-3.5 as their language and emotional regulation skills develop. Consistent, calm responses from all caregivers are the key to reducing biting. At 6-12 months, babies this age may bite during breastfeeding or when mouthing objects, which is normal oral exploration. If your baby bites while nursing, remove them from the breast briefly and say "no biting" in a firm but calm voice, then re-latch. Teething babies bite to relieve gum pain. This is not aggressive behavior - it is developmental. Offering teething toys and redirecting the biting to appropriate objects is the best approach at this age. It is generally considered normal when your toddler goes through a brief biting phase lasting a few weeks to months. However, you should contact your pediatrician promptly if biting is causing serious injury to other children or adults.
Normal vs. Concerning
By Age
What to expect by age
6-12 months
Babies this age may bite during breastfeeding or when mouthing objects, which is normal oral exploration. If your baby bites while nursing, remove them from the breast briefly and say "no biting" in a firm but calm voice, then re-latch. Teething babies bite to relieve gum pain. This is not aggressive behavior - it is developmental. Offering teething toys and redirecting the biting to appropriate objects is the best approach at this age.
12-18 months
Biting becomes more intentional at this age but is still driven by limited communication skills. Your toddler may bite when frustrated, when another child takes a toy, when overwhelmed by excitement, or when they want attention. They do not understand that biting causes pain. Respond immediately and consistently: remove the child calmly, say "No biting. Biting hurts." Give attention to the child who was bitten first. Keep interactions brief - long explanations are lost on toddlers this age.
18-24 months
This is the peak biting age because toddlers have strong emotions and desires but limited language and zero impulse control. In daycare settings, biting often happens during transitions, crowded play, or when sharing is expected. Help your child with words: "Say move please" or "Say mine." Shadow your child during high-risk times if possible. Biting is most common when children are hungry, tired, or overstimulated - addressing these needs prevents many incidents.
2-3 years
Biting should be decreasing as language develops. If your child is still biting frequently at 2.5-3 years, look for patterns: When does it happen? What triggers it? Is the child overwhelmed by the daycare environment? Teaching emotion words, practicing coping strategies (deep breaths, squeezing hands), and role-playing social scenarios can help. If biting persists beyond age 3 or is increasing in frequency, talk to your pediatrician about whether additional support is needed.
What to Tell Your Pediatrician
- Describe when you first noticed toddler biting at daycare - why and how to stop it and how it has changed over time.
- Note your baby's current age and which age-specific patterns you are seeing.
- Mention if biting is increasing in frequency or intensity despite consistent intervention.
- Mention if your child is over 3 and still biting regularly.
- Let your doctor know if you have noticed any related concerns, such as changes in feeding, sleep, or movement patterns.
- Bring a list of any questions or observations you want to discuss at the appointment.
What Should You Do?
When to take action
- Your toddler goes through a brief biting phase lasting a few weeks to months
- Biting is triggered by identifiable situations like frustration, excitement, or crowding
- Biting frequency decreases as your child's language skills improve
- Your child responds to consistent intervention and bites less over time
- Biting is increasing in frequency or intensity despite consistent intervention
- Your child is over 3 and still biting regularly
- Biting is accompanied by other aggressive behaviors like hitting, kicking, and throwing
- Your child seems to bite without any identifiable trigger or seems to enjoy causing pain
- Biting is causing serious injury to other children or adults
- Your child is at risk of being expelled from daycare due to biting
- Biting is accompanied by other concerning behavioral changes or developmental regression
What You Can Do at Home
- Keep track of when you notice toddler biting at daycare - why and how to stop it — noting the time of day, duration, and any triggers can help your pediatrician.
- Remember that your toddler goes through a brief biting phase lasting a few weeks to months — this is generally within the range of normal.
- At 6-12 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 biting is causing serious injury to other children or adults.
Related Conditions
Toddler Hitting, Kicking, and Aggressive Behavior
Physical aggression (hitting, kicking, throwing, pushing) is developmentally normal in toddlers ages 1-3. Research shows that physical aggression actually peaks around age 2 and then decreases as children develop language and emotional regulation skills. Toddlers are not being "bad" - they are experiencing intense emotions with zero ability to regulate them. The prefrontal cortex (responsible for impulse control) does not fully mature until the mid-20s. Consistent, calm responses that acknowledge the emotion while setting the limit are the most effective approach.
Toddler Having Constant Meltdowns
Tantrums are a normal part of toddler development - most 2-3 year olds have at least one tantrum per day. Meltdowns happen because toddlers feel big emotions (frustration, disappointment, overwhelm) but their prefrontal cortex is far too immature to regulate those emotions. However, when tantrums happen many times per day, last more than 25 minutes, are violent (self-injury, destruction), or persist beyond age 4 without decreasing, it may indicate that your child needs additional support for emotional regulation.
Toddler Delayed Social Skills - Not Interacting with Other Kids
True cooperative play (playing with other children) does not typically develop until age 3-4. Toddlers under 3 primarily engage in parallel play - playing alongside other children but not with them. This is a normal developmental stage, not a social delay. Your 2-year-old ignoring other children at the playground while playing in the sand next to them is completely age-appropriate. Social concerns are more about whether your child notices and responds to people (adults and children), not whether they play cooperatively with peers.
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 toddler biting at daycare - why and how to stop it normal?
When should I call the doctor about toddler biting at daycare - why and how to stop it?
When is toddler biting at daycare - why and how to stop it normal?
What causes toddler biting at daycare - why and how to stop it?
What should I mention to my pediatrician about toddler biting at daycare - why and how to stop it?
Is toddler biting at daycare - why and how to stop it normal at 6-12 months?
Is toddler biting at daycare - why and how to stop it normal at 12-18 months?
Should I go to the ER for toddler biting at daycare - why and how to stop it?
Does toddler biting at daycare - why and how to stop it go away on its own?
References
- [1]American Academy of Pediatrics. Biting. HealthyChildren.org. AAP
- [2]Zero to Three. Biting: Why It Happens and What to Do About It. Zero to Three
- [3]Tremblay RE, et al. Physical Aggression During Early Childhood. Pediatrics. 2004. NIH
Doctor Visit Checklist
Bring this checklist to your next pediatrician visit to discuss Toddler Biting at Daycare - Why and How to Stop It.
Things to mention
- Describe when you first noticed toddler biting at daycare - why and how to stop it and how it has changed over time.
- Note your baby's current age and which age-specific patterns you are seeing.
- Mention if biting is increasing in frequency or intensity despite consistent intervention.
- Mention if your child is over 3 and still biting regularly.
- Let your doctor know if you have noticed any related concerns, such as changes in feeding, sleep, or movement patterns.
- Bring a list of any questions or observations you want to discuss at the appointment.
Observations to share
- Biting is increasing in frequency or intensity despite consistent intervention
- Your child is over 3 and still biting regularly
- Biting is accompanied by other aggressive behaviors like hitting, kicking, and throwing
Urgent signs to report immediately
- Biting is causing serious injury to other children or adults
- Your child is at risk of being expelled from daycare due to biting
- Biting is accompanied by other concerning behavioral changes or developmental regression
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 toddler biting at daycare - why and how to stop it are normal. Talk to your pediatrician if biting is causing serious injury to other children or adults.
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 Behavior Concerns
Toddler Hitting, Kicking, and Aggressive Behavior
Physical aggression (hitting, kicking, throwing, pushing) is developmentally normal in toddlers ages 1-3. Research shows that physical aggression actually peaks around age 2 and then decreases as children develop language and emotional regulation skills. Toddlers are not being "bad" - they are experiencing intense emotions with zero ability to regulate them. The prefrontal cortex (responsible for impulse control) does not fully mature until the mid-20s. Consistent, calm responses that acknowledge the emotion while setting the limit are the most effective approach.
Toddler Having Constant Meltdowns
Tantrums are a normal part of toddler development - most 2-3 year olds have at least one tantrum per day. Meltdowns happen because toddlers feel big emotions (frustration, disappointment, overwhelm) but their prefrontal cortex is far too immature to regulate those emotions. However, when tantrums happen many times per day, last more than 25 minutes, are violent (self-injury, destruction), or persist beyond age 4 without decreasing, it may indicate that your child needs additional support for emotional regulation.
Toddler Delayed Social Skills - Not Interacting with Other Kids
True cooperative play (playing with other children) does not typically develop until age 3-4. Toddlers under 3 primarily engage in parallel play - playing alongside other children but not with them. This is a normal developmental stage, not a social delay. Your 2-year-old ignoring other children at the playground while playing in the sand next to them is completely age-appropriate. Social concerns are more about whether your child notices and responds to people (adults and children), not whether they play cooperatively with peers.
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