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'I've Treated ADHD & Autism For 20 Years, THIS Still Shocks Me' - Dr Mark Rackley

Dr Mark Rackley is an AuDHD specialist with more than two decades of experience helping people with ADHD and Autism He’s back by popular demand to help you process your late AuDHD diagnosis and discuss the risks of undiagnosed AuDHD. Chapters: 00:00 Trailer 03:09 How common is AuDHD 04:53 What AuDHD actually feels like 07:18 The shame of being AuDHD 10:44 How to manage AuDHD 18:27 How people react after AuDHD diagnosis 20:45 How to process a late AuDHD diagnosis 29:35 Tiimo advert 30:36 Risks of undiagnosed AuDHD 32:42 The risks of AuDHD monotropism 35:45 How to live successfully with ADHD and Autism 39:49 Is AuDHD hard to communicate 41:54 New groundbreaking AuDHD research 44:39 Audience questions 51:10 How to help an AuDHD friend/family member 56:15 A letter to my younger self Find Mark on Instagram 👉 https://www.instagram.com/drmarkrackley/?hl=en Pre-order Alex’s latest book about Rejection Sensitive Dysphoria 👉 https://linktr.ee/adhdchatter?utm_source=linktree_profile_share&ltsid=9ffd8709-06df-444c-9936-c136fbd14d6e Buy Alex's book entitled 'Now It All Makes Sense' 👉 https://www.amazon.co.uk/Now-All-Makes-Sense-Diagnosis/dp/1399817817 Get 30% off an annual Tiimo subscription 👉 https://www.tiimoapp.com/offers/adhdchatter Producer: Timon Woodward  Recorded by: Hamlin Studios Trailer editor: Ryan Faber DISCLAIMER: The content in the podcast and on this webpage is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your doctor or qualified healthcare provider. Never disregard professional medical advice or delay in seeking it because of something you have heard on the podcast or on my website.

Alex Partridgehost
Feb 17, 202657mWatch on YouTube ↗

CHAPTERS

  1. 0:00 – 1:34

    Internal suppression, shame, and the fear of asking for help

    The episode opens with a vivid description of how AuDHD can lead to “internal suppression”—pushing down needs and words out of fear of judgment. Dr. Mark Rackley frames shame as a key driver of isolation and difficulty advocating for support.

    • AuDHD can create a sense that asking for help is pointless because others “won’t understand”
    • Shame-based beliefs (“I’m the problem”) fuel silence and masking
    • Fear of being judged as “too much” blocks communication
    • Suppression increases vulnerability and isolation
  2. 1:34 – 2:54

    What this conversation aims to give you: understanding and realistic hope

    Alex and Mark set expectations for the episode: AuDHD is still a relatively new dual-diagnosis space, with widespread misunderstanding. Mark emphasizes that the goal is practical understanding of how it shows up day-to-day and how to live with it with genuine (not false) hope.

    • Dual diagnosis has only been common in practice since ~2013
    • Many people feel confused and “lost” about what AuDHD means
    • Understanding the pattern of traits can reduce fear and increase agency
    • Hope comes from practical strategies and support, not the idea the brain will ‘change’
  3. 2:54 – 4:48

    How common is AuDHD? High overlap and why lived experience teaches clinicians most

    Mark explains prevalence estimates for overlap between ADHD and autism and reflects on how much clinical learning comes from patients’ real lives. He argues that extended listening often teaches more than textbooks about what AuDHD looks like in practice.

    • Estimated ADHD-autism overlap is very high (often cited around 1 in 2 to 1 in 3)
    • AuDHD presentations can be missed if clinicians rely only on theory
    • Long-term weekly narratives reveal patterns that don’t show up on paper
    • Mark emphasizes humility: patients often become the best teachers
  4. 4:48 – 6:19

    What AuDHD feels like: “sometimes too much, sometimes not enough” (and always changing)

    Mark gives a simple lived-experience summary: AuDHD swings between overstimulation and understimulation. He stresses the dynamic, non-static nature of symptoms—how different times of day and contexts can flip which traits dominate.

    • A core felt experience is contradiction: too much vs not enough
    • ADHD traits often map to overstimulation/impulsivity/distractibility
    • Autistic traits often map to shutdown/overwhelm/social difficulty/rigidity
    • Daily fluctuation is expected—there may be no ‘same day’ twice
  5. 6:19 – 10:48

    Shame, guilt, and when AuDHD becomes psychologically dangerous

    Alex and Mark unpack how repeated struggles with “mundane” tasks and constant negative feedback can accumulate into guilt and shame. Mark distinguishes guilt (“there’s a problem”) from shame (“I am the problem”) and explains how hopelessness can raise suicide risk.

    • Repeated ‘why can’t I?’ experiences consolidate shame over time
    • Sensory triggers and social friction are often invalidated by others
    • Masking and failed coping attempts reinforce stigma and confusion
    • Hopelessness can escalate to suicidal thinking when no explanation/solutions exist
  6. 10:48 – 13:43

    Managing AuDHD starts with reframing the brain—and then learning triggers and strategies

    Mark advises people who suspect AuDHD to see the brain as an independent organ with its own wiring, not a moral failure. From there, the practical pathway is learning triggers, building healthy coping mechanisms, and adapting environments rather than expecting traits to disappear.

    • The brain isn’t ‘trying’ to hurt you; it’s operating as wired
    • Life improves through navigation skills, not personality overhaul
    • Identify triggers and design coping strategies to reduce overwhelm
    • Support and self-knowledge create meaningful quality-of-life gains
  7. 13:43 – 17:56

    How AuDHD gets identified: the ‘Whac-A-Mole’ effect after treating one condition

    Mark shares a case where stabilizing ADHD (including medication and psychological work) revealed a new set of problems more consistent with autism. He explains a broader clinical principle: settling one set of symptoms often allows underlying patterns to become visible.

    • Treating ADHD can unmask autistic social/sensory/rigidity difficulties
    • Patients may confuse emerging traits as ‘still ADHD’
    • Clinicians often stabilize anxiety/other factors to see what remains
    • Dual-diagnosis recognition can arrive sequentially, not all at once
  8. 17:56 – 23:54

    Reactions to a second diagnosis: relief, confusion, anger, fear—and acceptance over time

    Mark describes how people often react differently to autism than ADHD: ADHD can feel clarifying (“now it all makes sense”), while autism can feel vaguer and harder to place. Adults may grieve lost time and fear stigma, while teens may find more peer acceptance today.

    • ADHD diagnosis often feels immediately explanatory; autism may not at first
    • Common reactions: anger (‘why me?’), fear, sadness, and relief
    • Adults may process decades of consequences (relationships/careers)
    • Clinicians aim to cultivate ‘real hope’ grounded in outcomes they’ve seen
  9. 23:54 – 29:21

    When support systems change trajectories: teens, school buy-in, and self-harm explained

    A teenage case illustrates how coordinated support across home and school can produce dramatic improvements. Mark then explains self-harm as a chemical/behavioral coping loop—often tied to unmanaged anxiety/depression that can develop secondary to AuDHD challenges.

    • System-level support reduces the burden of self-explanation and masking
    • Diagnosis + coordinated accommodations can rapidly improve functioning
    • AuDHD is neurodevelopmental; mood disorders can develop secondarily
    • Self-harm can function as fast physiological relief (endorphins/adrenaline) and become reinforcing
  10. 29:21 – 30:41

    Sponsor break: Tiimo planning app for neurodivergent-friendly scheduling

    Alex shares an advertisement for Tiimo, emphasizing its neurodivergent-centered design and AI planning assistance. The pitch highlights voice transcription and a discount link available via web browser.

    • Tiimo positioned as designed by neurodivergent brains for neurodivergent brains
    • AI planning assistant and voice transcription features
    • Framed as help with productivity, organization, and lateness
    • Discount code note: works on web browser, not smartphone
  11. 30:41 – 32:42

    Risks of undiagnosed AuDHD: secondary mood disorders and unhealthy coping/addiction

    Mark outlines two major risks: developing anxiety/depression from chronic strain, and then turning to unhealthy coping mechanisms. He connects ADHD-related impulsivity and dopamine regulation issues to higher vulnerability for substance and behavioral addictions.

    • Undiagnosed AuDHD can contribute to depression/anxiety symptoms compounding daily struggles
    • Secondary mood disorders can severely impair sleep, appetite, self-esteem, focus
    • People may self-medicate with alcohol/drugs or behavioral addictions (gambling/sex)
    • Impulsivity and emotional dysregulation raise risk when distress is unmanaged
  12. 32:42 – 35:30

    Monotropism + impulsivity: how narrow focus can intensify addictive loops

    The conversation turns to monotropism—deep, narrow attentional focus often described in autism—and how it can become dangerous when paired with ADHD impulsivity. Mark explains addiction as a learned reward relationship that creates urges and entrenched repetition.

    • Monotropism can lock attention onto harmful coping strategies
    • Addiction forms when behavior reliably changes state via dopamine/adrenaline rewards
    • Urges become powerful and choices narrow, especially under distress
    • Breaking the loop requires alternative interventions and supports
  13. 35:30 – 39:49

    When ADHD and autism work well together: the ‘adventure’ and the ‘brakes’

    Alex shares a popular line: ADHD pushes toward novelty while autism pulls toward home/safety. Mark agrees the pairing can be beneficial—autistic caution can add brakes, while ADHD can add energy and exploration, sometimes balancing distractibility with focus.

    • ADHD can drive novelty-seeking; autism can introduce safety and structure
    • The conditions aren’t always ‘in conflict’; they can complement each other
    • Balance can look like excitement plus risk management
    • AuDHD is dynamic—harmony vs conflict depends on context and interaction
  14. 39:49 – 41:46

    Why communicating AuDHD is hard: suppression as a defense mechanism driven by shame

    Mark answers why it can be difficult to put AuDHD experiences into words. He frames suppression as a psychological defense: fear of misunderstanding and stigma leads people to push down needs, which increases isolation and makes help-seeking feel dangerous.

    • Suppression reduces short-term threat but increases long-term isolation
    • Shame fuels beliefs that needs will be judged or minimized
    • Masking and fear of exposure block direct communication
    • Support improves when people can safely name and share needs
  15. 41:46 – 44:41

    New AuDHD research: a possible shared ‘foundation wiring’ and future objective markers

    Mark describes early-stage research investigating whether AuDHD has a distinct neurological signature beyond separate ADHD and autism patterns. If validated, this could support AuDHD becoming a more formalized diagnostic category with its own research pathways.

    • Researchers are exploring whether AuDHD shows unique brain activity patterns
    • Idea: a ‘foundation wiring’ may predispose to the dual presentation
    • Tech advances may enable more objective testing in the future
    • A distinct marker could accelerate formal recognition and dedicated research
  16. 44:41 – 50:58

    Audience Q&A: shifting dominance by day/week, inconsistency, and hormones/menopause

    Alex reads top audience questions about whether ADHD or autistic traits can ‘take over’ for days or weeks, and whether life feels consistently inconsistent. Mark explains symptom dominance as context-dependent and discusses how hormones (e.g., estrogen/progesterone changes) can affect dopamine and regulation—especially during menopause—and suggests medical support where appropriate.

    • Trait dominance fluctuating over days/weeks is expected in a dynamic system
    • Context, sleep, diet, exercise, caffeine, alcohol can all shift presentation
    • Hormonal changes can affect dopamine and emotional regulation, altering symptoms
    • Menopause/perimenopause may add complications; medical guidance/HRT may help
  17. 50:58 – 56:15

    How to support an AuDHD loved one (and how parents can ‘contain’ big emotions)

    Mark gives practical guidance for helping someone with AuDHD: create a calm, stable environment, ask before acting, and keep the focus on them rather than yourself. For children with big emotions, he recommends parents stay regulated, communicate safety and presence, and prioritize physical safety during dysregulation before problem-solving.

    • Be the stable environment: calm tone, low reactivity, reduced overstimulation
    • Ask what the person needs before taking action or giving advice
    • Keep the conversation centered on the person to reduce shame and stigma
    • For kids: don’t match escalation—contain emotions, reassure, and keep them safe
  18. 56:15 – 57:25

    Closing reflection: a letter to a younger self—acceptance over ‘normal’

    The episode ends with a short letter from a previous guest emphasizing that the goal is not to be normal, but to accept oneself and live authentically. Mark and Alex reinforce acceptance as more useful than chasing an undefined standard of normality.

    • Reframing: the aim is self-acceptance, not ‘normal’
    • Normal is hard (or impossible) to define meaningfully
    • Simple affirmations can be powerful anchors for late-diagnosed listeners
    • Alex closes by thanking Mark for an AuDHD-focused masterclass

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