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early signs of adhd in children: what to look for

Early Signs of ADHD in Children: What to Look For
14:13

9 April, 2026

Identifying Early Signs of ADHD in Children to Help Them

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Key Highlights

  • Attention deficit hyperactivity disorder (ADHD) and autism spectrum disorder (ASD) are distinct neurodevelopmental conditions, but they can share overlapping symptoms.
  • Early signs of ADHD often involve attention difficulties, hyperactivity, and impulse control issues.
  • Early symptoms of autism typically relate to challenges with social communication, social interaction, and repetitive behaviours.
  • A child can have both ADHD and autism, which is known as a dual diagnosis, making an accurate diagnosis from a healthcare provider crucial.
  • Treatment approaches for ADHD and autism differ, with behavioural therapy, and occupational therapy being common for both.
  • Early intervention and a focus on a child’s unique needs are key to effective management and improving quality of life.

Introduction

As a parent, you are always attuned to your child’s development. Sometimes, you might notice behaviours that make you wonder about their mental health. Conditions like attention deficit hyperactivity disorder (ADHD) and autism spectrum disorder (ASD) are common topics among parents of young children. Understanding the early signs of these neurodevelopmental disorders is the first step toward getting the right support. This guide will help you identify the symptoms of ADHD and autism in early childhood, making the path to a diagnosis of ADHD or autism clearer.

Recognizing Early Signs of ADHD in Children

Spotting the early signs of attention deficit hyperactivity disorder (ADHD) can be challenging, as many behaviours can seem like typical childhood energy. However, ADHD symptoms are persistent and can affect a child's daily life, social skills, and executive functioning.

These early warning signs often revolve around inattention, hyperactivity, and poor impulse control. Paying attention to these patterns can help you decide if it's time to seek a professional adhd diagnosis. Let's look closer at the specific attention challenges and hyperactive behaviours you might observe. For parents of children with ADHD or autism, there are many resources available, including support groups, parenting workshops, online forums, and guidance from healthcare professionals. Organizations like CHADD (Children and Adults with Attention-Deficit/Hyperactivity Disorder) and the Autism Society provide information, community connections, and helpful tips for managing daily challenges.

Common Attention and Focus Challenges

A key sign of ADHD is difficulty with attention and focus. While many young children are distractible as part of typical toddler behaviour, kids with ADHD struggle more than their peers. Toddlers commonly lose interest quickly, move from one activity to another, or have trouble sitting still, but with ADHD these challenges are more severe and persistent. They may have trouble finishing tasks—even those they like—and show weaker planning and organizational skills for their age. In contrast, symptoms of autism often involve challenges with social interaction, communication, and restricted or repetitive behaviours, which are distinct from the primarily attention-related issues seen in ADHD.

Attention issues often appear in daily life: your child may not seem to listen, often loses things, or forgets instructions. Because these symptoms can mimic other issues, an accurate diagnosis is important.

Common signs include:

  • Easily distracted by noise or activity
  • Trouble staying focused on tasks or play
  • Frequently forgets activities or instructions
  • Avoids tasks that require sustained mental effort

Hyperactivity and Impulsivity Indicators

Hyperactivity and impulsivity are key features of ADHD. A child with hyperactivity often seems constantly in motion, showing restless behaviour even in quiet settings—beyond typical toddler energy.

Impulse control is another major challenge. This may include interrupting others, trouble waiting their turn, or acting without considering consequences. While all children can be impulsive, those with ADHD show these behaviours more often and intensely, impacting social interactions and mental health.

Signs of hyperactivity and impulsivity include:

  • Fidgeting or squirming in their seat
  • Running or climbing at inappropriate times
  • Talking excessively or interrupting others
  • Answering questions before they're finished being asked

Recognizing Early Symptoms of Autism in Children

Autism spectrum disorder (ASD) is a developmental condition that affects communication, social interaction, and how a person experiences the world. Early signs often appear in childhood and involve challenges with social skills and repetitive behaviours, unlike the hyperactivity seen in ADHD.

Children with autism may avoid eye contact, struggle to read body language, or have trouble with conversation. They might also show intense interests or repeat movements. Recognizing these signs is key to seeking a diagnosis and getting support for your child’s development.

Difficulties with Social Interaction

A key sign of autism spectrum disorder is difficulty with social interaction. Children may struggle to connect with others, not because they don’t want to, but because they don’t instinctively understand social cues like body language or tone of voice.

Social situations can feel overwhelming. For example, a child with autism might not respond to their name by 9 months or notice when others are upset. They may prefer playing alone or have trouble joining group games.

Common signs include:

  • Avoids or doesn’t maintain eye contact
  • Doesn’t share interests by pointing or showing objects
  • Struggles to understand gestures and other nonverbal communication
  • Doesn’t notice other children or join in play by age 3

Communication and Language Delays

Language development can also be affected in young children with autism spectrum disorder. While every child develops at their own pace, certain delays can be early indicators. For instance, a child with autism might have delayed speech or may not use gestures like waving goodbye by 12 months of age.

Their communication style might also be different. Some children with autism repeat words or phrases over and over, a behaviour known as echolalia. They may also have trouble starting a conversation or staying on topic, often preferring to talk about their specific topics of interest. An early autism diagnosis can lead to support for social communication challenges.

Look for these communication and language signs:

  • Does not respond to their name by 9 months of age
  • Uses few or no gestures by 12 months of age
  • Repeats words or phrases over and over
  • Does not play simple interactive games like pat-a-cake by 12 months

Repetitive Behaviours and Sensory Issues

Repetitive behaviours and sensory sensitivities are key traits of autism. Autistic individuals often prefer routines and predictability, such as lining up toys and getting upset if the order changes. Repetitive actions can include hand-flapping, rocking, or spinning.

Sensory issues are also common. Children with autism may react unusually to sounds, smells, tastes, or textures—either finding them overwhelming or seeking intense sensory input. These sensitivities can affect their ability to adapt in various environments.

Common examples include:

  • Lining up objects and becoming distressed by changes
  • Obsessive interests or rigid routines
  • Flapping hands, rocking, or spinning
  • Unusual reactions to sensory experiences

Can a Child Have Both ADHD and Autism?

Yes, a child can absolutely have both ADHD and autism. When two conditions occur at the same time, it's known as comorbidity or a dual diagnosis. It's quite common for these two neurodevelopmental conditions to overlap. Studies show that a significant number of children with autism also show signs of ADHD, and vice versa.

Because many common symptoms overlap, getting an accurate diagnosis can be complex. A thorough evaluation that considers a child's medical history and current behaviours is essential. Understanding that a child can have both is crucial for creating a comprehensive support plan that addresses all of their needs.

Overlapping Symptoms and Dual Diagnosis

ADHD and autism spectrum disorder share overlapping symptoms, making diagnosis challenging. Both can affect focus, impulsivity, and social interaction. For example, an ADHD child may interrupt due to impulsivity, while an autistic child may do so from missing social cues. Identifying the root cause is crucial for accurate diagnosis.

A dual diagnosis requires a thorough evaluation by a specialist familiar with both conditions. They assess the full picture using diagnostic criteria to determine if one or both are present. Misdiagnosis can lead to ineffective support.

Here’s a comparison of overlapping traits:

Area

Autism (ASD)

ADHD

Attention Span

Hyper-focus on interests; struggles with disliked tasks

Short attention span, even with preferred activities

Communication

Limited eye contact; difficulty with social cues

Talks excessively; interrupts; struggles to listen

Routine

Needs structure; upset by changes

Dislikes routine; gets bored easily

Interests

Deep “special interests”; repetitive behaviours

Many interests; loses focus quickly

Treatment Approaches for Co-occurrence

When a child has both ADHD and autism, treatment should be integrated to meet their unique needs. Effective management often combines behavioural and occupational therapy to target the most challenging symptoms and improve quality of life.

Treatment for co-occurring ADHD and autism may include:

  • Behavioural therapy for social skills and impulse control
  • Occupational therapy for sensory issues and daily living skills
  • Parent training for consistent home strategies
  • Medication for ADHD symptoms like inattention and hyperactivity

Treatment Pathways: ADHD vs Autism

While there are overlapping treatment strategies, the primary focus of intervention for ADHD and autism differs. For attention deficit hyperactivity disorder, treatment often aims to manage symptoms of inattention and hyperactivity to improve daily functioning. In contrast, treatment for autism spectrum disorder typically centers on improving social skills, communication, and managing sensory issues.

An accurate adhd diagnosis or autism diagnosis based on established diagnostic criteria is the first step. From there, a team of professionals can create a plan tailored to the child’s unique needs, using therapies like behavioural therapy and occupational therapy to enhance their quality of life.

Therapeutic Interventions for ADHD

Therapeutic interventions for ADHD aim to manage symptoms and improve daily life. Behavioural therapy, especially for children, teaches skills for organization, focus, and impulse control, involving parents and teachers for consistency.

Common ADHD interventions include:

  • Behavioural therapy to reinforce positive behaviours
  • Parent training in behaviour management
  • Medication for symptom control
  • School accommodations and support

Early Intervention Services for Autism

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Early intervention is essential for children diagnosed with autism. These services support development in areas like social skills and language, and starting therapy early can greatly improve a child’s quality of life and long-term outcomes.

Therapies are tailored to each child and often include:

  • Behavioural therapy (such as ABA) to build communication and reduce challenging behaviours
  • Occupational therapy for sensory and daily living skills
  • Speech therapy to enhance verbal and nonverbal communication
  • Parent education and support

The goal is to foster brain development and help children thrive.


Conclusion

In conclusion, recognizing the early signs of ADHD and autism in children is crucial for timely intervention and support. Understanding the common challenges related to attention, focus, and social interaction can empower parents and caregivers to take meaningful steps towards fostering their child's development. Early intervention not only aids in managing symptoms but also enhances the overall quality of life for both the child and their family. If you suspect your child may be facing these challenges, don’t hesitate to seek guidance from professionals who can provide insights tailored to your situation. Taking proactive steps today can lead to a brighter future for your child.

Reach out for a consultation or call daar at 02 9133 2500 for expert guidance tailored to your child’s needs.


Frequently Asked Questions

How do I know if my child’s behaviour is ADHD, autism, or normal development?

Distinguishing between ADHD symptoms, autism spectrum disorder, and typical development can be tough. The key is persistence and impact. If behaviours are consistently affecting your child's ability to function at home or school, it's wise to consult a paediatrician or a mental health professional for a thorough evaluation based on diagnostic criteria.

Are the early symptoms of autism and ADHD always obvious in young children?

No, early symptoms are not always obvious. In some children, signs of autism spectrum disorder or ADHD symptoms can be subtle and may be mistaken for personality quirks or developmental phases. An accurate diagnosis may not occur until challenges become more pronounced in school or social settings.

What should parents do if they notice early warning signs?

If you notice early warning signs, the first step is to talk to your child's paediatrician or other healthcare providers. They can conduct an initial screening and refer you to a specialist for a thorough evaluation. Seeking a professional adhd diagnosis or autism diagnosis early can lead to timely support.

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