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9 Early Signs of ADHD in Children

ADHD can show up early in a child's life—sometimes even before they start school. Spotting the signs early can lead to timely support, better coping strategies, and a smoother path forward. Here are 9 common early signs of ADHD that parents should watch for:

5/20/20251 min read

1. Constant Fidgeting

Kids with ADHD often struggle to sit still. You might notice them:

  • Tapping hands or feet

  • Wiggling in their seat

  • Grabbing nearby objects

2. Short Attention Span

If your child often loses focus during:

  • Conversations

  • Reading

  • Simple tasks like getting dressed
    …it may be more than just typical distraction.

3. Impulsivity

They may:

  • Interrupt frequently

  • Speak out of turn

  • Act without thinking of consequences (e.g. running into the street)

4. Difficulty Following Instructions

Even simple, clear instructions can be hard to follow. You might notice:

  • Half-done tasks

  • Jumping from one activity to another without finishing

5. Frequent Mood Swings

Children with ADHD can quickly go from happy to frustrated or angry. Emotional regulation can be a challenge.

6. Excessive Talking

They may talk nonstop, even when it's not appropriate, and struggle to listen during conversations.

7. Forgetfulness

Your child may regularly forget:

  • Homework

  • Daily routines

  • Where they placed toys or shoes

8. Trouble Waiting Their Turn

Waiting in line, playing games, or participating in group activities can be frustrating for kids with ADHD.

9. Disorganized Play or Learning

They may jump rapidly between toys or learning tasks, struggle to organize their things, or appear "all over the place."

When to Seek Help

If you recognize several of these signs in your child and they’re affecting home, school, or social life, it’s a good idea to consult a pediatrician or a child therapist.

At KidCortex, we offer early intervention, expert guidance, and therapy designed for children with ADHD—all from the comfort of your home. Early support makes all the difference.