Maya was 34 when she finally stopped pretending the “just try harder” approach was going to work.
She’d spent years in jobs she was brilliant at for about six months before burning out completely. She had intense friendships that somehow always ended with her saying something wrong, missing a social cue, or simply vanishing because she had no energy left to perform being a person. She’d collected explanations for herself the way some people collect houseplants — with enthusiasm, and then mild guilt when she couldn’t figure out what to do with them.
ADHD at 31. Autism at 33.
Her therapist mentioned AuDHD. Maya stared at the word like it was a stranger she’d somehow known her whole life.
“You’re describing both at the same time,” her therapist said.
And suddenly, a lot of things made sense.
If you’re somewhere on a similar path — living in Midtown Toronto, or Davisville, or anywhere in Ontario, quietly wondering if there’s a more complete picture of how your brain works — you’re in the right place. For people exploring AuDHD therapy Toronto, this post is a grounding place to start.
AuDHD refers to the co-occurrence of autism and ADHD in the same person. Research suggests that between 50 and 70 percent of autistic people also meet criteria for ADHD, making this combination far more common than most people realize. Understanding AuDHD therapy in Toronto isn’t just useful for labelling purposes — it’s often the missing piece that finally explains why life has felt so much harder to navigate than it should.
Who This Is For
This post is for anyone who has recently been diagnosed with ADHD, autism, or both — and still feels like something isn’t quite clicking. It’s for the person who scores high on ADHD self-tests but also resonates deeply with autism descriptions. It’s for anyone who has been quietly living with a sense of “I don’t quite fit anywhere” and is wondering if there’s a fuller picture waiting for them.
What Is AuDHD?
AuDHD is not a standalone clinical diagnosis. You won’t find it in the DSM-5 under that name. What you will find is growing evidence — and growing conversation — that autism and ADHD co-occur at very high rates, and that having both creates a unique neurological experience that neither diagnosis alone fully captures.
AuDHD is an informal but increasingly clinically used term to describe someone who is both autistic and has ADHD. It’s less about having two separate sets of challenges stacked on top of each other, and more about the way those differences interact — sometimes amplifying each other, sometimes pulling in opposite directions, often both at once.
Think of it this way. Autism often creates a strong drive for routine, predictability, and sameness. ADHD creates a restless need for novelty, stimulation, and change. These two forces don’t cancel each other out — they create an internal tension that can be quietly exhausting to manage without understanding what’s actually happening.
AuDHD is also defined by its complexity: it is a neurodevelopmental presentation in which traits of autism spectrum disorder and attention deficit hyperactivity disorder coexist, interact, and often mask each other, producing a profile that doesn’t fit neatly into either diagnosis alone.
The AuDHD Paradoxes
One of the things that makes AuDHD so hard to identify — and to explain to other people — is that it tends to show up as a series of contradictions.
You crave routine but can’t maintain one. You want deep, meaningful connection but are completely depleted by social interaction. You can hyperfocus for six straight hours and then lose your keys for the third time that day. You are deeply loyal, deeply empathetic, deeply curious — and also frequently overwhelmed, easily dysregulated, and occasionally found lying on your floor because the grocery store was just… a lot.
These aren’t character flaws. They’re not laziness or carelessness. They’re the lived experience of a nervous system managing two overlapping sets of neurodevelopmental differences at once, in real time, usually without a map.
Many people with AuDHD describe spending decades accumulating explanations for themselves that never quite fit — too much for some rooms, not enough for others, always a little out of step in a world that seems to run on rules they never received.
Why Is AuDHD So Often Missed?
AuDHD is frequently missed or misdiagnosed for a few interconnected reasons.
First, autism and ADHD were historically studied and diagnosed separately, often in children, and often in boys. The assessments clinicians used weren’t designed with girls, women, or adults in mind — and they certainly weren’t designed with AuDHD in mind.
Second, masking. Masking is the conscious or unconscious process of suppressing or hiding neurodivergent traits to appear more neurotypical. Many people with autism, ADHD, or AuDHD become exceptionally skilled at masking — so skilled that they present as “fine” in clinical settings, in workplaces, in social situations. They get passed over for diagnoses. They get told they seem too articulate to have ADHD, or too sociable to be autistic. They go home and collapse on the couch from the effort of it, and nobody knows.
According to autism and ADHD experts at the University of Calgary, including Dr. Adam McCrimmon and Dr. Emma Climie, co-occurring ADHD and autism is associated with more complex presentations and greater functional impact than either condition alone — and yet it remains consistently underidentified in clinical practice. You can read more about this at AIDE Canada.
Third, the diagnostic landscape is still catching up. Many therapists, family doctors, and even psychiatrists are not fully trained in how AuDHD presents. If you’ve ever left an appointment having described your whole life and received only a partial answer, that might be part of the reason.
Signs You Might Be AuDHD
No list can substitute for a proper assessment, but many people recognize themselves in patterns like these:
- You’ve been diagnosed with ADHD but stimulant medication hasn’t helped as much as expected, or creates unexpected side effects
- You relate to ADHD descriptions around impulsivity and executive dysfunction, and also to autism descriptions around sensory sensitivity, pattern recognition, and need for predictability
- You’ve experienced burnout that goes beyond tiredness — a full shutdown of energy, motivation, and social capacity
- You hyperfocus intensely but also struggle to transition between tasks or start new ones
- Social situations feel simultaneously desirable and deeply exhausting
- You have a strong sense of justice and become genuinely distressed when plans change without warning
- You’ve spent years performing a version of yourself designed to fit in, and it costs you enormously
If several of these land, it may be worth exploring with a therapist who understands how autism and ADHD interact. Our blog on Women & ADHD is also worth a read — it covers a lot of the same territory around late identification and presentations that get missed.
For people in Forest Hill, Davisville, Summerhill, or anywhere across Ontario, Horizon Therapy offers neurodivergent-affirming support for exactly this kind of exploration.
The Masking Toll
Masking deserves its own section because, for many AuDHD people, it is the thing that makes daily life most exhausting.
Masking might look like forcing eye contact even though it feels uncomfortable. Rehearsing conversations in your head before and after they happen. Suppressing the urge to stim in public. Performing a social script you’ve memorized over years of careful observation. Arriving at a party feeling okay and leaving completely hollowed out — not because anything went wrong, but because being “on” for three hours required that much energy.
Over time, sustained masking leads to AuDHD burnout: a state of nervous system collapse where energy, emotional regulation, motivation, and sometimes basic daily functioning simply stop working. It’s not a mood or a choice. It’s a physiological response to years of operating beyond capacity.
This is one of the reasons why neurodivergent-affirming AuDHD therapy Toronto looks different from standard therapy. It doesn’t treat masking as a behaviour problem to correct. It treats masking as an adaptive strategy that made sense, and that deserves compassion — and that can, over time, be gradually replaced with safer, more sustainable ways of being yourself.
“The curious paradox is that when I accept myself just as I am, then I can change.” — Carl Rogers
This is exactly the kind of work that therapy rooted in self-understanding makes space for.
Practical Steps If You Suspect You’re AuDHD
You don’t need a formal diagnosis to start understanding yourself better. Here are some practical starting points.
Start noticing your nervous system, not just your behaviour. When do you feel regulated? When do you feel flooded or completely shut down? These patterns often map directly onto your neurology, and tracking them builds self-knowledge that is genuinely useful in and out of therapy.
Give yourself an accurate energy budget. Social situations, sensory environments, and masking all cost energy that doesn’t show up in conventional measures of effort. Notice what genuinely drains you and what actually restores you — and start to trust what you observe.
Find language that fits. Sometimes reading about AuDHD — personal accounts, community spaces, and therapist-written explainers — is the first step toward feeling less alone. The community knowledge is often ahead of the clinical literature, and that’s worth knowing.
Consider what support looks like for your whole picture. This might include ADHD therapy focused on executive function and emotional regulation, autism-informed support for sensory and relational challenges, or if AuDHD is affecting your partnership, neurodiverse couples therapy can make a meaningful difference for both people.
Be thoughtful about who you share this with. Not everyone in your life needs to understand AuDHD the way you’re starting to. Finding one or two people who can hold the full picture is often more valuable than broad disclosure.
Book Recommendation: Unmasked by Ellie Middleton is a warm, honest memoir from an AuDHD author about the journey from years of masking to genuine self-understanding. It’s readable, validating, and full of moments that feel like being seen for the first time.
Frequently Asked Questions About AuDHD
AuDHD is not a standalone clinical diagnosis in the DSM-5, but the co-occurrence of autism and ADHD is well-documented in research and increasingly recognized by neurodivergent-affirming clinicians. Many therapists use the term informally with clients who have both conditions. For therapeutic purposes, having language for your experience is often more important than whether that language appears in a diagnostic manual.
Distinguishing between the possibilities genuinely requires a thorough assessment with someone who understands both conditions. That said, many people notice that their experience doesn’t fully fit either description on its own — the impulsivity and executive dysfunction of ADHD alongside the sensory sensitivity and need for routine more associated with autism. Both can be true at the same time, in the same brain.
Absolutely, and this is more common than most people realize. Masking, high intelligence, and well-developed early coping strategies can all make AuDHD largely invisible externally — including to clinicians. Many adults receive their first relevant diagnosis in their thirties, forties, or later, often after a life event that pushes coping strategies past their limit.
No, but women and girls are disproportionately underdiagnosed. Diagnostic tools were historically developed based on how autism and ADHD present in boys and men, and masking tends to be more extensively practised by girls from a young age. This has created a significant diagnostic gap for women, non-binary people, and anyone who learned early to appear “fine.”
This question tends to come from years of internalizing the message that you’re not trying hard enough. Understanding your neurology isn’t an excuse — it’s a framework. It doesn’t lower the bar; it helps you build the right supports. And guilt, it turns out, does not improve executive functioning. It does the opposite.
Sometimes significantly, sometimes not as expected, sometimes the picture is more complicated. Some people find that ADHD medication helps meaningfully with focus and emotional regulation. Others find it amplifies sensory sensitivity or anxiety. This is a conversation worth having with both your prescribing clinician and a therapist who understands AuDHD, because the full picture matters.
This is more common than it should be. You can bring in resources, ask directly whether your therapist has experience with neurodivergent clients, or seek a referral to someone who specializes in this area. Therapy is most useful when your clinician actually understands the neurology they’re helping you navigate — it’s a reasonable thing to advocate for.
It started as a community term — and like many community terms, it arrived in clinical spaces because it described something real that official diagnostic language hadn’t caught up to yet. The fact that it emerged online doesn’t make it less valid. Community knowledge about lived experience is often ahead of clinical frameworks. The underlying research on co-occurring autism and ADHD is robust, growing, and increasingly taken seriously.
Not even a little bit. Late identification is incredibly common among AuDHD adults, and many people find that understanding their neurology in adulthood is genuinely life-changing — not in a fix-everything way, but in a finally-makes-sense way. You can build better systems, develop more self-compassion, and access meaningful support at any point in your life.
Ready to Explore AuDHD Therapy in Toronto?
If any of this has felt like someone finally found the right words for something you’ve been living for years, you’re not alone — and you don’t have to keep figuring it out by yourself.
At Horizon Therapy, our team offers AuDHD therapy in Toronto, and understands it not as a checklist of symptoms to manage, but as a collaborative process of making sense of your nervous system, reducing shame, and building a life that actually fits how you’re wired. We offer in-person sessions in Toronto and online therapy across Ontario.
