If your child has been diagnosed with autism, ADHD, or both (AuDHD) — or if you’re just beginning to notice differences in how they learn, focus, or connect with others — you’re probably carrying a lot of questions. That’s completely okay. Understanding what’s happening in your child’s world is the first step toward supporting them in the best possible way.
AuDHD is the term used when a person has both Autism Spectrum Disorder (ASD) and Attention Deficit Hyperactivity Disorder (ADHD). While these are two separate neurodevelopmental conditions, they overlap more often than many people realize — and when they co-occur, they create a unique experience that deserves its own attention.
What matters most in that moment is having a trusted guide—someone who listens carefully, explains thoughtfully, and helps you move forward with confidence, not fear. That’s what our CT pediatricians are here for!
At Pediatric Associates of CT, we believe that understanding your child starts with understanding the full picture—one rooted in both science and compassion.
What Is Autism?
Autism is not a disease to be “fixed,” but a different way of experiencing and interacting with the world. Modern pediatric care has shifted away from the idea of curing autism. Instead, the focus is on supporting development, communication, and well-being. This perspective helps families move from fear toward acceptance and empowerment.
Autism is often one of the most misunderstood developmental differences, and that misunderstanding can make an already emotional journey feel even more overwhelming. At its core, autism is not a disease or something that needs to be “cured.” Instead, it reflects a different way the brain develops and processes the world.
When parents begin to see autism through this lens, it often shifts the conversation—from “What’s wrong?” to “How can we support my child best?”
Symptoms of Autism
You may notice that your child interacts with the world in ways that feel different from peers, and that awareness often raises important questions.
- Social communication challenges: Children may have difficulty with eye contact, responding to their name, or engaging in back-and-forth interactions. A key early sign is a delay in “joint attention”—the shared focus between a child and caregiver on an object or event.
- Repetitive behaviors: Repetitive movements, often called “stimming” (such as hand flapping or rocking), are common. Children may also rely on routines and feel distressed by changes in their environment.
- Sensory sensitivities: Some children may be highly sensitive to sounds, lights, or textures, while others may seek out sensory input. These responses are part of how their nervous system processes the world.
What Is ADHD?
ADHD stands for Attention Deficit Hyperactivity Disorder. It’s a neurodevelopmental condition characterized by difficulty regulating attention, activity levels, and impulsive behavior.
It’s important to know that many children can be inattentive or energetic — that’s just childhood. What leads to a diagnosis is the frequency and intensity of these behaviors, and how significantly they affect daily life.
Although ADHD is often associated with children, it is a lifelong condition. There are three main presentations:
- Mostly hyperactive — the child is always on the move, struggles to sit still, and acts before thinking.
- Mostly inattentive — the child seems “lost in their own world,” has trouble following instructions, and forgets things easily.
- Combined — a mix of both.
Signs and Symptoms of ADHD
Some signs are part of the formal diagnostic criteria, while others are commonly experienced even if they aren’t required for a diagnosis.
Core signs include hyperactivity, impulsivity, difficulty sustaining focus, and trouble following conversations or instructions.
Many children with ADHD also experience emotional dysregulation (including intense reactions to feeling rejected), executive dysfunction, difficulty managing time, trouble with working memory, sleep problems, and sensory sensitivities.
These challenges can affect academic performance, friendships, and emotional well-being — but ADHD also comes with real strengths. Many children with ADHD are incredibly creative, full of energy and passion, highly agreeable, and remarkably flexible thinkers.
ADHD Is a Form of Neurodivergence — Just Like Autism
Both ADHD and autism are considered neurodivergent conditions. That means the brain is wired differently — not broken, not less than, just different. Neurodivergent children experience and process the world in ways that don’t always fit the typical mold, and that’s something worth understanding and celebrating, not correcting.
When we shift the conversation from “what’s wrong with my child?” to “how does my child experience the world?”, everything changes.
What Is AuDHD?
AuDHD refers to the co-occurrence of autism and ADHD in the same person. Research shows this is far more common than previously thought — approximately 21% of children with ADHD are also autistic, and around 28% of autistic children also meet the criteria for ADHD.
These two conditions share a strong genetic link and many overlapping traits, which can make them both harder to identify separately and more complex to navigate together.
What makes AuDHD particularly interesting is that autism and ADHD can sometimes pull a child in opposite directions. An autistic child often craves routine, predictability, and sameness — while a child with ADHD may seek novelty and act impulsively. When both are present, a child may experience an internal tug-of-war between these competing needs, which can be exhausting and confusing for them.
Signs That Your Child Might Have Both Autism and ADHD (AuDHD)
It’s important to note that many of the signs below can appear in autism alone, ADHD alone, or both together. Noticing these traits doesn’t automatically mean your child has AuDHD — but it’s worth bringing to your pediatrician’s attention.
Common signs that may suggest a child has both conditions include:
- Intense, focused interest in specific topics or activities (hyperfocus)
- Significant sensory sensitivities — to sounds, textures, lights, or smells
- Difficulty regulating emotions, including strong reactions to feeling left out or criticized
- Trouble with executive function — planning, organizing, starting, or finishing tasks
- Persistent sleep difficulties
- Challenges in social situations, such as reading social cues or sustaining friendships
- Differences in eye contact and communication style
- Difficulty recognizing internal signals, like hunger or fatigue
Again, some of these signs overlap heavily with autism or ADHD on their own. A proper evaluation is the only way to understand the full picture.
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How Do Pediatricians Diagnose AuDHD?
There is no single test for AuDHD. Diagnosis involves a comprehensive, multi-step evaluation — and that’s actually a good thing, because it means your child is being seen as a whole person.
The process typically includes a detailed developmental history, conversations with parents and caregivers, behavioral observations, and structured assessment tools. A multidisciplinary team may be involved, including your pediatrician, psychologists, and specialists in speech or learning.
Because autism and ADHD share so many traits, getting a clear picture takes time and care. It’s not uncommon for one diagnosis to be made before the other — and some children are diagnosed with autism first, only to have ADHD identified later (or vice versa). Patience and trust in the process go a long way.
Early identification matters. The sooner your child’s full profile is understood, the sooner the right support can be put in place.
Possible Treatments to Support Your AuDHD Child’s Development
Support for AuDHD is not one-size-fits-all. A good care plan is built around your individual child — their strengths, challenges, and the goals that matter most to your family.
Behavioral and developmental therapies
Speech therapy, occupational therapy, and social skills groups can help children build communication, sensory regulation, and connection with others.
Talking therapies and coaching
Therapy can help older children and families develop practical strategies for staying organized, managing emotions, and navigating daily life. ADHD coaching, in particular, can be a wonderful tool for building structure without pressure.
Medication
Medication is available for ADHD and may help some children with focus and impulse regulation. It’s worth knowing that autistic children may respond differently to medication — some may be more sensitive to it. Always discuss options carefully with your pediatrician.
Environment
Environmental and school-based accommodations can make a significant difference. Simple adjustments — like a quieter workspace, flexible schedules, or visual supports — can help a child feel more at ease and better able to learn.
Above all, support works best when it’s built on understanding, not just behavior management. Your child isn’t being difficult — they’re doing their best in a world that wasn’t always designed for the way their brain works.
Co-occurring Conditions
Children with AuDHD may also experience other conditions alongside their diagnoses. Being aware of these can help ensure your child gets complete, holistic care.
Common co-occurring conditions include anxiety, which is especially prevalent in autistic children and those with ADHD; sleep disorders, since difficulty falling or staying asleep is common in both; sensory processing differences that go beyond what’s captured in either diagnosis alone; and gastrointestinal issues, which research has linked to autism in particular.
If you notice signs of any of these in your child, bring them up with your care team. Treating the whole child — not just the primary diagnosis — leads to better outcomes and a better quality of life.
Frequently Asked Questions About AuDHD
Can a child have autism and ADHD at the same time? Yes. It’s more common than many people realize. Around 21% of children with ADHD are also autistic, and nearly 28% of autistic children meet the criteria for ADHD.
How is AuDHD different from having just autism or just ADHD? When both conditions are present, a child may experience a heightened version of the traits shared by both — such as sensory sensitivities, emotional dysregulation, and intense focus on interests. They may also feel an internal conflict between the autistic pull toward routine and the ADHD pull toward novelty.
Will my child always have AuDHD? Both autism and ADHD are lifelong neurodevelopmental differences. However, with the right support, children can develop skills and strategies that help them thrive — in school, in relationships, and beyond.
Is AuDHD harder to diagnose than autism or ADHD alone? It can be, because the two conditions share many overlapping traits. A thorough evaluation by an experienced team is the best way to get an accurate picture of your child’s needs.
What can I do right now as a parent? Start by trusting your instincts — you know your child. Talk to your pediatrician about your concerns, keep notes on what you observe at home and at school, and know that reaching out for answers is one of the most loving things you can do for your child.
Take the Next Step
If you’ve noticed developmental differences or simply have questions, you don’t have to navigate this journey alone. Early support can make a meaningful difference—not just for your child, but for your entire family.
Schedule a developmental screening with Pediatric Associates of CT today to gain clarity, guidance, and a personalized plan for your child’s growth.
Medical Disclaimer:
This content is for informational purposes only and does not substitute for professional medical advice, diagnosis, or treatment. Always consult your child’s healthcare provider with any questions or concerns regarding their development.
Sources:
- Hollingdale, J. et al. (2019). Autistic spectrum disorder symptoms in children and adolescents with attention-deficit/hyperactivity disorder: a meta-analytical review.
- Lai, M. et al. (2019). Prevalence of co-occurring mental health diagnoses in the autism population: a systematic review and meta-analysis.
- Autistica. ADHD and Autism. autistica.org.uk