Reviewed by Christy Campo, child life inpatient manager, Cherese Mari Laulhere Child Life Department at Rady Children’s Health
Key takeaways
- Biting is usually developmental, not malicious. Babies and toddlers bite for reasons like exploration, frustration, powerlessness or stress. Understanding why helps adults respond in ways that actually reduce the behavior.
- A calm, even “boring,” response works best. Young children often repeat behaviors that get big emotional reactions, even negative ones. Gentle, consistent limits (“biting hurts”), removing the child from the situation, and offering safe alternatives are most effective.
- Young toddlers need adults to regulate them. Children under 3 often cannot yet use words, coping skills, or deep breathing consistently on their own. They may need to be removed from the situation and “borrow” an adult’s calm until they settle.
- Address basic needs. Hunger, fatigue, overstimulation, or transitions can make biting more likely. Simple supports like a snack, rest, or quieter play can reduce episodes.
Making sense of biting in babies and toddlers
Biting is common among babies and young children, but it can be upsetting for parents and caregivers. Whether it happens at home, daycare, or preschool, biting feels alarming, painful, and confusing. Many adults are left wondering: Why is this happening, and how do I stop it?
The reassuring news is that biting is usually temporary and developmental, and once you understand what’s driving it, you can respond in ways that help it fade.
Why do children bite?
Most biting in young children falls into one of four categories: exploration, frustration, powerlessness, or stress.
Understanding the reason makes it easier to respond effectively and consistently.
1. Experimental biting
This is most common in infants and young toddlers. At this age, children explore their world with their mouths. They may bite toys, clothing, or even people without understanding that it hurts.
How to respond:
- Keep your reaction calm and brief: “No, biting hurts.”
- Offer safe items to bite (teething rings, chilled washcloths, textured toys).
- Be consistent so they gradually learn the difference between safe and unsafe biting.
Note: A big, dramatic reaction can actually encourage repetition. Staying calm and even a little boring takes the “power” out of the behavior.
2. Frustration biting
Toddlers often bite when they feel overwhelmed or unable to communicate their needs. Their language and emotional regulation skills are still developing, so biting becomes an impulse reaction.
This often happens during:
- Sharing struggles
- Overstimulating play
- Tiredness or hunger
- Transitions or frustration
How to respond:
- Supervise closely during high‑conflict moments.
- Keep play times short and playgroups small when possible.
- If biting occurs:
- Keep your tone neutral: “No, biting hurts.”
- Gently remove the child from the situation.
- Stay nearby so they can borrow your calm.
- Once settled, begin modeling simple words or gestures (“help,” “stop,” “all done”).
Children under 3 may not consistently use these skills yet—but early modeling lays the foundation.
3. Powerless biting
This type of biting happens when a child feels small, ignored, or pushed around—common in younger siblings or kids who struggle to assert themselves.
How to respond:
- Ensure your child feels safe and supported.
- Coach older children to use gentler interactions.
- If biting occurs:
- Respond calmly and briefly.
- Remove your child from the interaction.
- Later, practice simple assertive skills (“stop,” hand‑up gesture, coming to an adult).
4. Stress‑related biting
Emotional overload—whether from big changes, anxiety, hunger, fatigue, or illness—can lead to biting as a distress signal.
Common triggers include:
- New sibling
- Starting daycare
- Moving
- Overtiredness or hunger
- Illness or teething pain
How to respond:
- First, check basic needs: snack, rest, quieter environment.
- Observe patterns—what happens right before the biting?
- Label feelings for them: “You’re tired,” “You’re upset,” “You’re frustrated.”
- Set a firm boundary: “Biting is not okay.”
- Remove them from the situation and stay close as they calm.
For this age group, expect that you will need to regulate with them—deep breathing and coping skills often require adult support.
If biting becomes frequent or intense, consider talking with your pediatrician for guidance.
When to be concerned
While occasional biting is normal, reach out for support if your child:
- Bites frequently or with severe force
- Continues biting past age 3
- Shows speech delays or sensory challenges
- Displays extreme aggression or emotional dysregulation
Early support can help prevent the behavior from becoming a pattern.
Supporting healthy emotional development
Biting is often a form of communication, not cruelty. With calm, consistent responses and an understanding of your child’s developmental needs, most children quickly outgrow biting.
By staying steady, offering safe alternatives, meeting basic needs, and letting your child borrow your calm, you help them learn healthier ways to express themselves over time.
Learn more about CHOC’s specialized therapeutic programs
The Cherese Mari Laulhere Child Life Department at CHOC strives to normalize the hospital environment for patients and families.
