ADHD and autism: Understanding the link
ADHD and autism are both neurodevelopmental conditions. This means they affect how the brain develops and processes the world. They can impact communication, attention, and behaviour in different ways. While they share some traits, they’re distinct conditions, each with its own characteristics.
What you may not realise is that ADHD and autism frequently occur together. You may hear this referred to as AuDHD, a term that has developed within the community.
What is ADHD?
Attention deficit hyperactivity disorder (ADHD) is a neurodevelopmental condition that can affect attention, impulsivity, and hyperactivity in daily life.
If you have ADHD, you might find it difficult to stay focused, act on impulse, or feel restless at times. You may also notice periods of hyperfocus, where your attention becomes deeply absorbed in a task.
These patterns can affect different areas of life, including school, work, and relationships. With the right understanding and support, you can develop strategies that help you manage attention and focus in ways that work for you.
What is autism?
Autism spectrum disorder (ASD) is a lifelong neurodevelopmental condition affecting around 1–2% of people in the UK.
Autism is a spectrum condition, which means it presents differently for everyone. If you’ve been diagnosed with autism, you have your own unique strengths, preferences, and support needs.
Some common characteristics of autistic people include:
- – Differences in communication, such as finding it harder to read body language, tone of voice, or social cues
- – Experiencing emotions deeply, and sometimes needing support to regulate them
- – Showing a strong preference for routines, structure, or predictability
- – Exhibiting unique or highly focused interests
- – Hypersensitivity to noise, lights, textures, or smells
- – Sensory-seeking behaviours, such as spinning, jumping, or physically repetitive movements
- – Feeling overwhelmed in unfamiliar or highly stimulating environments
No two people on the autism spectrum are alike, so you may not experience all of these, and their intensity can vary.
What is AuDHD?
Research shows that ADHD and autism occur together far more often than you might expect, although the exact reasons for this are still being explored.
If you have both ADHD and autism, you may hear this referred to as AuDHD. This is a community-led term rather than a formal clinical diagnosis, but many people find it helpful when describing their experience.
If you relate to AuDHD, you might find that you don’t fit neatly into the mould of either ADHD or autism. This is common, but it can sometimes make it harder to recognise your needs and find the right support. By understanding the overlap between ADHD and autism, you’ll gain greater self-awareness and compassion for yourself.
Similarities between ADHD and autism
Both ADHD and autism can affect the brain’s executive function, which includes skills such as decision-making, impulse control, time management, attention, and organisation.
- Because of this, there are some shared traits. These may include:
- – Finding it harder to maintain attention
- – Differences in social interaction
- – Problems communicating
- – Impulsive behaviours
- – Periods of hyperfocus or deeply focused interests
- – Sleep disturbances
- – Sensory differences
- – Reduced awareness of internal body signals, such as hunger or thirst (known as interoception)
- Not everyone will relate to all of these traits, and they may show up in different ways for different people.
Key differences between ADHD and autism
Although ADHD and autism share several overlapping traits, there are some key differences.
ADHD mainly affects attention, activity levels, and impulse control. Autism primarily affects how people communicate, interact socially, and experience the world around them.
If you have both, you may find yourself feeling confused by competing internal forces. For example, you might:
– Start an activity or project with enthusiasm, but feel overwhelmed partway through
– Become overwhelmed quickly, but at the same time, feel unable to slow down or step away to reset
– Want the comfort of routine, but also crave variety and change
– Feel interested in social connection, while also finding interacting with others tiring or difficult to navigate
Recognising these patterns is a helpful step towards understanding how your brain works. From there, you can begin to find strategies that support both sides of your experience.
Why accurate assessment and diagnosis matter
Understanding yourself is powerful. Seeking an assessment can help you finally make sense of how you think, feel, and experience the world. With the right diagnosis, you can access the right support and develop strategies that actually work for you.
When both ADHD and autism are present, it’s especially important to get an accurate take on the full picture. Because AuDHD isn’t formally recognised as a single diagnosis, one set of traits can sometimes make it harder to identify the other. This can mean people don’t always get the full understanding or support they need straight away.
A thorough assessment can help you explore how these traits interact, so that any support reflects your individual experience. This might include approaches to managing attention, routines, sensory preferences, and emotional regulation.
At ADHD360, we take an approach we call ‘clearing the fog’. We start by diagnosing and treating your ADHD, as differences in focus and attention can sometimes cloud everything else. Once that fog lifts, we work with you to build a clearer understanding of whether an autism assessment may also be helpful.
Support and treatment options
Medication is one of the most common and effective ways of treating ADHD. Alongside medication, therapeutic approaches such as counselling, coaching, peer support groups, and online support forums can also help. Connecting with others and sharing your experience with people who truly get it can make all the difference in feeling seen and understood.
Once the fog of ADHD has lifted, you may wish to explore therapies that support autism. There are no medications to treat autism itself, but there are many approaches that can help autistic children and adults thrive. These include speech and language therapy, occupational therapy, talking therapy, and personal coaching.
Whatever your needs, the right support is out there to help you reach your full potential – and we’re here to help guide you on that journey.