ADHD in Children: Signs, Diagnosis, and What Comes Next

If you've been wondering whether your child's difficulty sitting still, losing focus in class, or acting before thinking could be ADHD, you're not alone. Attention-deficit/hyperactivity disorder is one of the most common neurodevelopmental conditions in children, and parents across Robbinsville, Hamilton, West Windsor, and Mercer County regularly bring these concerns to us at Hummingbird Pediatrics.

This article walks you through what ADHD looks like at different ages, how the evaluation process works, and — importantly — what your pediatrician's role actually is. We are here to listen, screen, and guide you toward the right specialists. The diagnosis and treatment of ADHD is a collaborative process that typically involves developmental pediatricians, psychologists, and school teams.

What Is ADHD?

ADHD is a brain-based condition that affects a child's ability to regulate attention, impulse control, and activity level. It is not a reflection of intelligence or parenting. ADHD is neurobiological — research consistently shows differences in how the brains of children with ADHD develop and function compared to peers.

There are three presentations of ADHD:

Predominantly Inattentive Presentation

Children with this type have difficulty sustaining focus, following multi-step directions, and completing tasks. They may appear to "zone out," lose materials frequently, make careless mistakes, and struggle to organize schoolwork. This presentation is often missed in younger children and is more common in girls.

Predominantly Hyperactive-Impulsive Presentation

These children have difficulty sitting still, waiting their turn, staying quiet, and think before acting. They may interrupt frequently, blurt out answers, and have trouble with games or activities that require patience. This presentation is often most noticeable in preschool and early elementary years.

Combined Presentation

Children show significant symptoms of both inattention and hyperactivity-impulsivity. This is the most common presentation in children referred for evaluation.

What Are the Signs of ADHD by Age?

ADHD does not look the same at every age. Recognizing it requires understanding what is developmentally typical at each stage.

Preschool Age (3–5 years)

• Extreme difficulty sitting still even for brief, engaging activities
• Inability to wait for even a short turn
• Acting impulsively in ways that lead to frequent injuries
• Difficulty transitioning between activities even with advance warning
• Trouble engaging with a single activity for more than a minute or two

School Age (6–12 years)

• Consistent reports from teachers about difficulty staying on task
• Forgetting to turn in completed assignments, losing homework
• Starting many tasks but finishing few
• Being easily distracted by sounds, movements, or their own thoughts
• Impulsive behavior in social situations (talking out of turn, difficulty with games)
• Reading and re-reading without absorbing information

Adolescence (13+)

• Struggle to organize long-term projects and manage time
• Have difficulty in classes requiring sustained reading or writing
• Underachieve despite clear intelligence
• Experience high frustration, low self-esteem, or emotional dysregulation

How Is ADHD Evaluated?

There is no single test for ADHD. Diagnosis requires a comprehensive evaluation that combines multiple sources of information gathered over time.

Your Pediatrician's Role

When you bring ADHD concerns to our office at Hummingbird Pediatrics, we begin with a careful conversation. We will review your child's developmental history, school performance, home behavior, and any other concerns. We will also look for other possible explanations — anxiety, sleep problems, learning disabilities, vision or hearing issues, or stress at home can all mimic ADHD symptoms.

We use validated behavior rating scales completed by parents and teachers (such as the Vanderbilt Assessment Scales) to gather standardized information from multiple environments. We also rule out any medical conditions that might contribute to attention difficulties.

Based on this screening process, we determine whether your child's symptoms meet the level of concern that warrants a referral to a specialist — typically a developmental pediatrician, child psychologist, or neuropsychologist — for a full evaluation.

Specialist Evaluation

A formal ADHD evaluation by a specialist typically includes detailed rating scales, cognitive and educational testing, clinical interviews, and a review of school records. This comprehensive picture is what leads to a formal diagnosis and a treatment plan.

What Happens After Diagnosis?

If your child receives an ADHD diagnosis, the path forward involves a team — and that team often includes the school, a therapist or behavioral specialist, and possibly a specialist in developmental or behavioral pediatrics.

• **School accommodations**: An IEP (Individualized Education Program) or 504 Plan can provide extended time on tests, preferential seating, and other classroom supports
• **Behavioral therapy**: Parent coaching and child-focused behavioral strategies are a first-line approach, especially for younger children
• **Medication**: When indicated, medication is an evidence-based component of ADHD management. This is managed by the specialist or developmental pediatrician, not by our general pediatric practice
• **Regular follow-up**: Ongoing monitoring of school functioning, sleep, and emotional wellbeing is important

When to Talk to Us

You do not need to wait for a teacher to raise ADHD concerns before bringing them to us. If you are worried about your child's attention, impulse control, or activity level at any point, bring it up at your next well-child visit — or call to schedule a dedicated appointment to discuss your concerns.

Early identification and support make a meaningful difference. Our team at Hummingbird Pediatrics is here to listen carefully, conduct an initial screening, and connect your family with the right specialists if needed.

Frequently Asked Questions

What are the first signs of ADHD in a child? Early signs vary by age but often include difficulty sustaining attention during tasks that require mental effort, acting before thinking, losing things frequently, and struggling with transitions. In school-age children, consistent teacher feedback about focus or behavior is often the first formal signal.

Does my child need to see a specialist for an ADHD diagnosis? Yes, a formal ADHD diagnosis typically involves a specialist such as a developmental pediatrician or psychologist who conducts a comprehensive evaluation. Your pediatrician at Hummingbird Pediatrics starts the process with a screening and referral when appropriate.

Can a child have ADHD without being hyperactive? Absolutely. The inattentive presentation of ADHD — characterized by difficulty focusing, daydreaming, and disorganization without significant hyperactivity — is common, especially in girls. These children are often missed because they are not disruptive.

At what age is ADHD usually diagnosed? ADHD is most commonly identified between ages 6 and 12, when school demands make symptoms more visible. However, it can be diagnosed in preschoolers and teens as well. Later identification in girls and inattentive-type ADHD is common.

Can ADHD go away on its own as children get older? ADHD does not disappear, but its expression changes. Hyperactivity typically decreases with age, while inattention may persist into adulthood. With the right support, most children with ADHD develop effective coping strategies and achieve excellent outcomes.