Anxiety is the most common mental health condition in children. According to the CDC, approximately 9.4% of children ages 3-17 have a diagnosed anxiety disorder. and the actual number is much higher, because most childhood anxiety goes undiagnosed. Kids don't say "I'm anxious." They say "my stomach hurts." They refuse to go to school. They ask the same question seventeen times. They have a meltdown at a birthday party and nobody. including them. knows why.
This guide draws from the work of Karen Young (heysigmund.com, author of Hey Warrior), the Child Mind Institute (childmind.org), Dr. Dawn Huebner (author of What to Do When You Worry Too Much), and the Anxiety and Depression Association of America (adaa.org). The recommendations below represent what clinical psychologists and anxiety researchers consistently advise. They are not a substitute for professional evaluation if your child's anxiety is severe or persistent.
Most parents picture anxiety as a child who says "I'm scared." In reality, childhood anxiety presents as:
Physical symptoms: Stomachaches, headaches, nausea, racing heart, sweating, dizziness, fatigue. Karen Young explains on heysigmund.com that these are real physical responses. the amygdala has activated the fight-or-flight response, and the body is flooded with cortisol and adrenaline. The child is not making it up. Their stomach genuinely hurts.
Behavioral symptoms: School refusal, separation difficulty at drop-off, avoiding new situations, excessive reassurance-seeking ("But are you SURE it will be okay?"), perfectionism (erasing and restarting homework repeatedly), meltdowns that seem disproportionate to the trigger.
Emotional symptoms: Irritability (anxiety often presents as anger in children), excessive worry about things that haven't happened, difficulty sleeping, difficulty concentrating, reluctance to try anything new.
The key distinction: The Child Mind Institute emphasizes the difference between normal worry (situational, proportionate, resolvable) and anxiety disorder (persistent, disproportionate, interfering with daily functioning). A child who's nervous about a test has normal worry. A child who can't eat breakfast on school mornings for three months has something more.
“Anxiety in children doesn't look like anxiety in adults. It looks like stomachaches, tantrums, refusal, clinginess, and 'I don't want to go.'
Say: "I can see you're feeling worried. That's your brain trying to protect you." Karen Young's framework (Hey Warrior) explains anxiety to children as the brain's alarm system going off when there's no real danger. The amygdala. which she calls the "warrior brain". is trying to keep them safe, but it's overreacting. This reframe is powerful because it externalizes the anxiety: it's not that something is wrong with you, it's that your alarm system is too sensitive.
Say: "What's the worst thing that could happen? And then what?" Dr. Huebner's cognitive behavioral approach involves walking through the worry to its logical conclusion. "I'm afraid I'll throw up at school." "Okay, what would happen if you did?" "Everyone would laugh." "And then what would happen?" "I'd go to the nurse." "And then?" Most worries, when followed to the end, arrive at something manageable. This works for children ages 6 and up.
Say: "I'm going to help you do this, not help you avoid this." The Child Mind Institute identifies avoidance as the single biggest reinforcer of anxiety. When a child is anxious about a party and the parent says "okay, we won't go," the child learns that the anxiety was justified and avoidance is the solution. The better approach: "I know this feels scary. We're going to go. I'll be right there. You can take a break if you need one."
Don't say: "There's nothing to worry about." The child's brain disagrees, and dismissing the feeling makes them feel broken for having it.
Don't say: "Just calm down." If they could calm down, they would. The instruction adds frustration to anxiety.
Don't say: "You're fine." They're not fine. They're anxious. Calling them fine invalidates what they're experiencing.
Don't say: "I'll never leave you." Promising to never leave accommodates the anxiety rather than building the child's ability to tolerate separation. Better: "I will always come back."
Deep breathing (but not the way most people teach it). The Child Mind Institute recommends specific techniques: "smell the flower, blow out the candle" (breathe in through the nose slowly, out through the mouth slowly). Breathe Like a Bear by Kira Willey has 30 kid-friendly breathing exercises with names like "Bunny Breath" and "Hot Chocolate." Practice when the child is calm so the skill is available when they're not.
The five senses grounding technique. When anxiety hits: name 5 things you can see, 4 things you can touch, 3 things you can hear, 2 things you can smell, 1 thing you can taste. This works by redirecting the brain from the hypothetical (worry) to the concrete (sensory reality). Works for ages 5 and up.
Worry time. Dr. Huebner recommends scheduling 10-15 minutes of "worry time" per day. When a worry comes up outside that time, the child writes it down and saves it for worry time. During worry time, they go through their worry list. Most worries feel smaller when revisited. This teaches children that worries can be contained. they don't have to run the whole day.
The worry jar. Write each worry on a slip of paper and put it in a jar. The physical act of externalizing the worry. getting it out of the head and into the jar. provides relief. Some families "empty the jar" at the end of the week and notice that most worries didn't come true.
Gradual exposure. For specific fears (dogs, swimming, the dark), the gold standard is gradual, supported exposure. not flooding (forcing the child into the feared situation all at once). The Child Mind Institute outlines a "fear ladder" approach: list the feared situations from least to most scary, start with the least scary, and work up. Each successful step builds evidence that the anxiety was survivable.
“Anxiety in children doesn't look like anxiety in adults. It looks like stomachaches, tantrums, refusal, clinginess, and 'I don't want to go.'
Most childhood anxiety is manageable with parental support, coping strategies, and time. But some anxiety needs professional intervention. The Child Mind Institute recommends seeking help if:
What professional help looks like: Cognitive behavioral therapy (CBT) is the most effective treatment for childhood anxiety, with decades of research supporting it. CBT teaches children to identify anxious thoughts, evaluate them rationally, and practice coping strategies. Many children see significant improvement in 8-12 sessions. Medication (typically SSRIs) is sometimes recommended for moderate-to-severe anxiety, usually in combination with therapy.
Where to find help:
Books work for anxious children because they externalize the experience. When a child reads about Wemberly worrying about everything, they see their own experience reflected back in a way that's safe, contained, and resolved. The identification ("that's me") is the therapeutic mechanism.
For ages 3-6:
For ages 4-8:
For ages 6-12:
See our full collection: Books for Kids Who Worry About Everything. 9 books that name the feeling so your child can start to tame it.