This article first appeared on 12 July 2026 in #NDChat, my newsletter on LinkedIn.

I have ADHD. I believe the experience behind Rejection Sensitive Dysphoria is real. I no longer believe the label we’ve built around it can carry the weight we’re currently putting on it.

It doesn’t take much. A shift in someone’s tone, a message that sits unanswered longer than it should, a look I can’t quite read, and before I’ve had a conscious thought about it, my body has already reacted: a drop and a tightening, something between shame and fear, arriving with a force that has nothing to do with what actually just happened.

For years I had no word for that. Then I found one: Rejection Sensitive Dysphoria. It felt like being handed a map of my own nervous system.

I still believe the territory is real, but I no longer believe the map is finished, and I think the gap between the two is starting to cost people something.

What we actually know

Let’s start with what’s genuinely well established. Emotion dysregulation is not a side effect of ADHD; a growing body of research treats it as close to its core. Shaw and colleagues, writing in the American Journal of Psychiatry in 2014, argued that emotional difficulties in ADHD are central, not peripheral, rooted in the same dopamine and norepinephrine systems that shape attention and impulse control.

A 2023 systematic review by Soler-Gutiérrez and colleagues, covering 22 studies in adults with ADHD, went further: it proposed emotion dysregulation as a candidate fourth core symptom, alongside inattention, hyperactivity and impulsivity, and found adults with ADHD consistently showed greater dysregulation than controls, with medium-to-large effect sizes.

Rejection sensitivity sits within that picture as something more specific: a relational trigger that reliably produces a disproportionate response. A 2026 qualitative study from Brighton and Sussex Medical School, led by Rowney-Smith and colleagues, looked directly at the lived experience of it. Their small group of participants described how masking had left them “dissociated from themselves and withdrawn from others” (Rowney-Smith et al., 2026), a pattern that led to loneliness and disrupted daily functioning. It’s important to note that this study was based on five undergraduate students in focus groups: exactly the kind of small, early qualitative work this field should be doing, but not the kind of study that should be asked to carry more weight than it can hold.

Where the label outpaces the evidence

Rejection Sensitive Dysphoria isn’t in the DSM-5-TR. It was never submitted as a formal diagnosis. It came largely from the clinical observation and public speaking of Dr William Dodson, an American psychiatrist, starting in the 1990s. For many people, his framing was a revelation: language for something they’d felt their whole lives, understood as neurological rather than a personal failing. I understand why it spread the way it did.

But Dodson’s own published evidence base is thin. His most formal work, a 2024 case series co-authored with Modestino and colleagues, documented four patients in careful clinical detail, describing “episodic attacks of physical and emotional pain, intense shame, and feeling ostracised” (Dodson et al., 2024). These four cases constitute the entire formally published clinical record behind the term as Dodson defined it.

Psychologist Gilly Kahn reviewed the wider field for Psychology Today in April 2026 and found only five studies in total that meaningfully address the core questions about RSD: what it is, how it differs from social anxiety or mood disorders, and whether it’s ADHD-specific. All five are qualitative, with samples ranging from four to forty-three people. Her conclusion, after going through it carefully, is one I think the whole community around this term should sit with:

“We have a long way to go in RSD research” (Kahn, 2026).

None of that means the experience isn’t real. It means the label has travelled further than the evidence supporting it, and it has travelled fastest through platforms with no peer review at all.

Is RSD part of ADHD, or downstream of it?

Here’s a question that doesn’t get asked enough: when someone says “that’s my RSD,” are they describing a symptom of ADHD itself, or something that sits alongside it, shaped by a different set of forces entirely?

The honest answer is that we don’t fully know yet, and treating that uncertainty as settled does a disservice to everyone trying to understand their own mind.

There’s a real case for RSD as core to ADHD. Soler-Gutiérrez’s review describes emotion dysregulation as a candidate fourth core symptom, part of the same underlying neurotransmitter system as the rest of the condition. On that account, an intense, rapid spike to perceived rejection is simply what a dysregulated threat-response system does under a specific social trigger. That’s ADHD working exactly as ADHD works.

But there’s an equally real case that much of what gets called “RSD” in everyday conversation and increasingly across social media, is something else layered on top: years of being told you’re too sensitive, too much, not trying hard enough; a nervous system shaped by repeated, real rejection rather than a purely internal wiring difference; anxiety or depression, which travel alongside ADHD often and have their own relationship to social threat; and, for many adults, a late diagnosis that arrived only after a lifetime of self-blame had shaped how they see themselves.

None of that is ADHD in the narrow neurological sense. It’s what happens to a person who has ADHD, living in a world that responded to it badly.

Sandland’s 2025 study captures this tension directly. Her small group of neurodivergent participants struggled to agree on what RSD even was, some defining it differently at different points in the same conversation. That isn’t a flaw in her research so much as the honest state of the field.

Why the distinction isn’t just academic

This might sound like hair-splitting. I don’t think it is, for three reasons.

Firstly, it changes what actually helps. If RSD is core neurology, the tools that help are the tools that regulate an overactive alarm system in the moment: medication, co-regulation, nervous-system-level strategies. If a significant part of what’s happening is downstream, shaped by relational history, comorbid anxiety, or an identity still catching up with a diagnosis, the tools that help look different: therapy that works with that history, not only the moment of activation.

Secondly, it changes what we tell people about permanence.

“This is just how my brain is wired” is a very different message from “this is a response I learned, under real conditions, that can also be supported and changed.”

Both can be true for the same person at once, but only if we’re willing to hold both, rather than collapsing everything into one tidy neurological story because it’s the one with better branding.

Lastly, and this is the one I find hardest to say plainly, it changes where responsibility sits. A genuinely acute, involuntary neurological spike is not a choice, and nobody should be shamed for having one. But sustained patterns of withdrawal, or repeated cycles of pulling away from people who love you over weeks, are not the same event on repeat. They are a different phenomenon, on a different timescale, and they deserve to be examined on their own terms, including, sometimes, what the dynamic is costing the other person and not only what’s happening internally for the person experiencing it.

What I am not saying

I want to be precise about the shape of this argument, because it’s easy to hear it as something it isn’t.

None of this means anyone’s pain is imagined, or that RSD is made up, or that people who reach for the term are wrong to do so. And I’m not standing outside the experience I’m describing. I live inside it, when someone’s tone shifts and my body reacts before my mind catches up.

What I am questioning is narrower, and I think more useful: whether one specific label, however widely used and however validating it feels, is evidenced well enough yet to carry the explanatory weight we are currently asking it to carry. Lived experience and evidence were never meant to compete with each other, they’re supposed to be in conversation, and this piece is an attempt at that conversation rather than a verdict against one side of it.

Getting it right is part of the care

There’s an argument that says: if a label helps someone feel seen, that’s enough. I have real sympathy for that. Labels can be lifelines, especially for people who spent decades with no language for what they were feeling.

But a label that explains too much risks eventually explaining nothing. When a clinical-sounding term travels further than its evidence base, particularly one that resonates as powerfully as this one does, it can end up serving the person using it less well than it appears to, and it can land hardest on the people around them.

For those of us with ADHD, I think getting this right is the more compassionate path, not the less compassionate one. Knowing that what I feel is neurological, real, and time-limited, but that it isn’t automatically a template for how I treat the people I love over weeks or months, keeps me honest with myself, and with them. And the people around us deserve frameworks accurate enough to actually help, not a diluted concept stretched to cover territory it was never built to map.

Final Thought

I expect some people reading this will feel like I’ve taken something away from them. That’s not my intention, and I’d rather be corrected than comfortable. If the research moves, I’ll move with it.

But I’d rather ask the harder question in public than let a comforting answer go unexamined simply because it’s popular. So here’s what I’m actually curious about: next time you reach for “RSD” to explain what just happened, what are you reaching for underneath it: the acute, in-the-moment spike, or something longer that’s been building for years? I don’t think most of us have had to separate those out before. I’d genuinely like to know what you find when you try.

Tell me where I’ve got this wrong. I mean that.

References

Dodson, W. W., Modestino, E. J., Ceritoğlu, H. T., & Zayed, B. (2024). Rejection sensitivity dysphoria in attention-deficit/hyperactivity disorder: A case series. Acta Scientific Neurology, 7(8), 23–30.

Kahn, G. (2026, April 29). Rejection sensitivity dysphoria: The actual research. Psychology Today.

Rowney-Smith, A., Sutton, B., Quadt, L., & Eccles, J. A. (2026). The lived experience of rejection sensitivity in ADHD: A qualitative exploration. PLOS ONE, 21(1).

Sandland, B. (2025). Neurodivergent experiences of rejection sensitive dysphoria expose the environmental factors too often overlooked. Neurodiversity, 3.

Shaw, P., Stringaris, A., Nigg, J., & Leibenluft, E. (2014). Emotional dysregulation in attention-deficit/hyperactivity disorder. American Journal of Psychiatry, 171(3), 276–293.

Soler-Gutiérrez, A.-M., Pérez-González, J.-C., & Mayas, J. (2023). Evidence of emotion dysregulation as a core symptom of adult ADHD: A systematic review. PLOS ONE, 18(1), e0280131.