There is no feeling like watching your toddler walk up to another kid at the playground and clock them with a plastic shovel. You go from "how cute" to "we're going to be asked to leave" in 0.4 seconds. The other parent looks at you, and everything you say sounds like an excuse.
I've been there three times. All three of my kids hit. Two bit. One — my sweet middle child who now cries when cartoons are mean — once bit me on the shoulder so hard I yelped in a Costco. I had teeth marks and existential shame.
Here's what nobody tells you: toddler aggression is completely normal. Your kid isn't broken and you're not a bad parent. They have big feelings, zero impulse control, and a vocabulary where "mine" is doing a lot of heavy lifting. Hitting and biting are bad communication — but they're still communication.
Between 18 months and 3 years, a toddler's brain is a Ferrari engine in a shopping cart. They feel everything at maximum intensity, but the prefrontal cortex — the part that regulates emotions — is about as developed as my six-pack. When another kid grabs their truck, their lizard brain screams PROTECT TRUCK and the hand swings. It's a reflex from a creature who still puts shoes on the wrong feet.
Biting is its own thing — teething pain, overstimulation, or plain experimentation. Toddlers are scientists. "What happens when I chomp Dad's forearm?" Data collected.
I learned this the hard way. Kid #1 got huge reactions — the biting increased. With kids #2 and #3, I went cold: flat voice, immediate removal. The biting stopped in days. You handed them a fireworks show. Stop providing the fireworks.
When the hand goes up or teeth come out, your first move is a calm physical block. Catch the hand. Cup the chin. Say something neutral: "I won't let you hit." Not angry, not scared — just a fact. It tells your kid: hitting doesn't work. It doesn't get a reaction or the toy back. It just gets blocked. Boring.
After blocking, label the emotion. "You're really mad because he took your truck." This builds emotional vocabulary — the tool your kid needs — and makes them feel seen. A lot of toddler aggression is "I feel terrible and nobody gets it." When you name it, you cut the intensity in half.
Redirect, but be specific. Not "use your words" — too abstract. "You can say 'my turn' or 'space please.'" For biters: "If you need to bite something, here's your teether." Kid #2 went through a daycare biting phase. We sent three silicone chewy necklaces. Biting stopped in four days. Also works: "If you're mad, stomp your feet." Their body wants to do something. Channel it.
If your kid hits another kid, remove them calmly. "We can't play at the sandbox if we're hitting. Let's take a break." No lecture. No shame. Just: hitting = sandbox ends. Don't force an apology — a forced "sorry" from a toddler teaches them it's a get-out-of-jail-free card, not remorse. Model the apology yourself: "I'm sorry he hit you, are you okay?" Your kid will absorb it eventually.
When your toddler doesn't hit — uses words, walks away, takes a breath — celebrate like they scored the winning touchdown. "You were so mad and you used your words! Amazing!" Kids swim toward praise like sharks toward blood. Make good behavior so rewarding they forget hitting was ever an option.
Getting the "your child bit someone" report is a gut punch. Take a breath — daycare biting is extremely common. Partner with the teachers: ask what triggers they notice — transitions? Pre-lunch? A specific kid? Consistency between home and daycare is everything. Send the chewy necklaces. Send three. Label them so they don't mix with the other tiny vampires in class.
Someone in your family — probably a well-meaning grandmother — will tell you to bite your kid back. "That's what my mother did and I turned out fine!" Please don't. It teaches your kid that the biggest person in the room hurts people to teach lessons — the exact opposite of what you want. Smile, nod, say "thanks, Abuela," and absolutely do not do that.
Most hitting and biting phases last 2–6 weeks with consistency. If it's been months with no improvement, your kid is hurting themselves or others badly, or the aggression comes with zero trigger and zero emotional response — talk to your pediatrician. Sensory processing challenges, speech delays, and developmental differences can amplify aggression. Early intervention is free or low-cost in most states. No shame in it. None.
Here's what I learned through three kids: the hitting phase hurts you more than them. Your kid doesn't remember biting someone at daycare or lie awake wondering if they're a bad person. That's you — carrying the shame and the fear your kid will grow up to be a jerk.
They won't. Their brain is under construction. Your job isn't to produce a perfectly behaved three-year-old — it's to be the calm, boring-when-they-hit presence who teaches them to be human. It's slow, embarrassing, and involves way too many playground apologies. But it works. Kid #1 bit three kids at daycare in 2019. He's now in elementary school and his teacher called him "one of the kindest kids in the class." They grow out of it. You just have to not lose your cool while they do.
— Ivan, dad of three, still has the teeth marks to prove it