Why Does My Child Get Aggressive During Meltdowns?

January 26, 2026

There are few things that scare parents more than aggression in their child.

The moment a child hits, kicks, throws something, or charges at a parent during a meltdown can feel shocking and alarming.

Whenever I talk about aggression during meltdowns on social media, a parent of a more easygoing child will sometimes stumble across it and say they would never tolerate that behavior.

I feel deeply protective of parents of spicy kids reading those comments. It can sound like we are just letting it happen.

That is not what is happening at all.

Parents dealing with aggression during meltdowns are the ones reading. Trying. Hoping they can find the thing that finally stops these episodes, because they are hard on everyone involved.

If someone could hear what runs through a parent’s mind during those moments, they would hear fear.

Fear that their child will not be okay out in the world.
Worry about school. About friendships. About the future.
Fear that they are raising a child who will be cruel or unsafe with others.

I have had parents tell me, very quietly, that they have googled:

“what are the early signs your child is a sociopath?”

That is how frightening aggression during meltdowns feels.

Why Does Aggression Happen During Meltdowns?

I want to be very clear about something.

For highly sensitive and intense kids, aggression during meltdowns is always a sign of a child in fight or flight.

It is not a sign of a cruel child. It is not a sign of a child who lacks empathy.

In fact, many of these kids are the ones who feel the most. They notice small details. They pick up on how others are feeling, even when no one says anything out loud.

The aggression is not coming from a lack of care.

It is coming from total system overwhelm.

What’s Actually Happening in the Body During Aggressive Meltdowns

During a meltdown, a sensitive child’s body is flooded.

All of their energy is going toward fight or flight.

There is no space for thinking about choices. No access to plans you talked about earlier. No ability to stop and do something different.

The nervous system is focused on survival.

This is often where things escalate.

When aggression shows up, parents understandably become frantic. They move quickly. They raise their voice. They grab hands. They rush to stop what is happening.

All of that makes sense. You are trying to keep everyone safe.

But sensitive kids absorb that energy instantly.

Instead of helping the nervous system settle, it often pushes it further up the wave.

Afterward, shame moves in.

Why Focusing on Safety Changes Everything

During a meltdown, the most important focus is safety.

When everyone feels safe, shame does not take over as loudly.

Parents often worry that responding this way means they are letting things slide or teaching the wrong lesson.

What actually happens is the opposite.

Children who feel safe during their hardest moments are less likely to repeat them.

Not because they were corrected. Because their nervous system was supported instead of overwhelmed further.

If Aggression During Meltdowns Terrifies You

If aggression during meltdowns has been frightening for you, you are not overreacting.

It is intense. It is scary. And it deserves support that matches what is happening in your child’s body.

This is why I often suggest starting with The Meltdown Plan.


It helps you understand what to do in moments like these without adding shame or panic. It gives you a way to support your child through aggression while keeping everyone safe and grounded.


Learn more about The Meltdown Plan HERE.

The Meltdown Plan audio course for parents dealing with intense child meltdowns and aggressive behavior

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Hi, I’m Myla Leinweber—a parent educator, coach, and former kindergarten teacher. I help overwhelmed parents of strong-willed, sensitive, or intense kids understand what’s really behind their child’s behavior so they can respond with confidence instead of confusion.

After years of working with families—and being a parent of a spicy kid myself—I created a practical, research-informed framework that supports parents without shame, bribes, or power struggles.

This blog shares stories, tools, and real-life examples to help you decode your child’s behaviour and find more calm and connection.

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