Some people reach their fifties or sixties and finally hear a sentence that reorganises their whole life story: “You have ADHD.” Not a new problem, but an old one that never had a name. For a generation who went through Irish schools long before attention deficit hyperactivity disorder was recognised here, a late diagnosis can land as relief, grief and vindication all at once.
Adult ADHD assessment is one of the fastest growing areas of demand in Irish mental health services, and older adults are part of that wave.
TL;DR
- ADHD is lifelong, not new. Many people now in their 50s, 60s and 70s were never assessed because the diagnosis was not available in Irish schools when they were children.
- After 50 it often looks less like obvious restlessness and more like inattention and disorganisation, and it can surface sharply at retirement when work-imposed structure disappears.
- The key difference from dementia is the timeline: ADHD goes back to childhood, whereas dementia is a change from your own previous baseline.
- Public assessment runs from your GP to the local Adult Mental Health Team under the HSE National Clinical Programme for ADHD in Adults, but coverage is patchy and reported waits run from around 18 months to four years.
- Private assessments typically cost roughly €630 to €2,000 and qualify for 20% tax relief through Revenue’s Med 1 process. ADHD Ireland’s free six-week UMAAP programme needs no referral or diagnosis.
Why so many people were missed
If you were at school in Ireland in the 1960s, 70s or early 80s, ADHD was simply not on the map. Children who could not sit still were “bold”. Children who drifted out the window were “away with the fairies” or “not applying themselves”. Girls in particular were rarely spotted, because quiet inattention does not disrupt a classroom the way hyperactivity does. Plenty of bright people compensated their way through school and work, and paid for it in exhaustion.
Estimates put ADHD prevalence in older adults at around 2% to 3.5%, which suggests thousands of people in Ireland over 50 are living with an unrecognised, treatable condition and assuming they are simply scattered.
What ADHD looks like later in life
The picture shifts with age. Visible hyperactivity usually fades into an internal restlessness: an inability to sit through a film, a mind that will not settle at 3am, a compulsion to be doing something. What tends to persist, and often worsen, is the inattentive side. Losing the thread mid-conversation. Starting five jobs around the house and finishing none. Chronic lateness that has never once felt deliberate. Paperwork that quietly becomes a crisis.
Retirement is a common trigger for seeking answers. A job supplies deadlines, colleagues and a shape to the day, all of which act as external scaffolding. Take that away and the underlying difficulty with self-direction becomes visible very quickly.
ADHD or ageing? The question worth asking carefully
Understandably, many people in their 60s who notice forgetfulness and poor concentration worry about dementia rather than ADHD. The most useful distinction is the timeline. ADHD is lifelong: look back honestly at school reports, early jobs and old relationships and the pattern is there in your twenties, even if you managed it well. Dementia and mild cognitive impairment, by contrast, represent a change from your own previous level of functioning. Something that used to be easy has become hard.
These are not mutually exclusive, and the research is still developing. Some longitudinal work has found higher rates of later dementia among adults with ADHD, though the studies cannot prove cause and effect, and the raised risk was not seen among those treated with stimulant medication. The takeaway is not alarm; it is that a genuine new decline in memory or thinking deserves proper assessment. Start with your GP.
Getting assessed in Ireland
The HSE launched its Model of Care for the National Clinical Programme for ADHD in Adults in January 2021, creating a public pathway where essentially none existed. Your GP refers you to your local Adult Mental Health Team, and those who screen positive are referred on to a specialist ADHD adult clinic for detailed assessment.
The honest caveat is capacity. The programme was designed around twelve specialist teams nationally, and only around seven were reported to be operational in early 2026, so where you live matters enormously. Reported waiting times range from roughly 18 months to four years, and some services have restricted new referrals under the weight of demand.
One detail is worth knowing if you are over 65. The model of care is written primarily for adults aged 18 to 64, but it makes provision for people over 65 who are cognitively intact and under the care of a psychiatry of later life team to be assessed at the ADHD clinic if they screen positive. Age alone is not meant to be a barrier, so ask directly rather than assuming the door is closed.
The private route, and what to check first
Given the waits, most Irish adults who are assessed go privately. Fees generally sit between about €630 and €2,000 depending on the provider and the depth of the assessment, and you can claim 20% tax relief on qualifying medical expenses through Revenue’s Med 1 process. Some health insurance policies contribute, so check yours before booking.
Before you pay, ask three questions. Who is carrying out the assessment, and are they registered with an Irish regulator? Does it include a full clinical interview and developmental history, rather than a questionnaire and a short call? And if medication is recommended, who will prescribe it long term, and will your GP accept shared care? People are regularly caught out by a valid diagnosis that no local prescriber will act on.
Medication and an older body
Stimulant medication works well for many adults, but prescribing after 50 needs more care. Stimulants raise heart rate and blood pressure, which matters more if you already live with hypertension, atrial fibrillation or coronary disease. The evidence suggests low doses are generally well tolerated in older adults, including those with elevated cardiovascular risk, though one large study found a short-lived increase in cardiovascular events in the first month after starting.
In practice that means a baseline blood pressure and pulse check, starting low and going slow, and disclosing every other medicine you take. If you are on several prescriptions, a free medicines review with your community pharmacist is a sensible companion step. Non-stimulant options exist where stimulants are unsuitable.
What helps, medication aside
ADHD Ireland runs UMAAP, the Understanding and Managing Adult ADHD Programme: a free six-week course combining psychoeducation with acceptance and commitment therapy, open to everyone with no referral and no requirement to have a formal diagnosis. That makes it a genuinely useful step while you wait. ADHD Ireland also operates a support line and email service on weekdays, and INCADDS coordinates peer support groups around the country.
The everyday strategies are unglamorous and effective: externalise your memory into one calendar and one list rather than six; build a fixed skeleton into retirement days so structure does not depend on motivation; do dreaded admin alongside another person; protect sleep and daily movement, both of which measurably sharpen attention.
It is not too late
The most common reaction to a diagnosis at 62 is a version of “what was the point of finding out now?” The point is that a name changes the story. Decades of assumed personal failure become a recognised neurodevelopmental difference with real strategies attached. People describe sleeping better and being kinder to themselves for the first time in fifty years. That is not a small return.
At Críonna Health we write about ageing as something to navigate well rather than merely endure, and that includes the parts of your health that were overlooked when you were younger. If any of this reads like your own life, a conversation with your GP is a reasonable place to begin.
Where to find support
- Your GP: the gateway to public assessment and to investigating any new memory or concentration changes.
- ADHD Ireland: information, the free UMAAP programme, support line and adult peer groups (adhdireland.ie).
- INCADDS: the umbrella body for ADHD support groups across Ireland.
- HSE mental health services: contact your local service for waiting list queries and regional availability.
- Revenue Med 1: 20% tax relief on qualifying private assessment and treatment costs.
This article is general information, not medical advice. Always discuss diagnosis, medication and treatment decisions with your GP or a qualified clinician.
📷 Photo by Gantas Vaičiulėnas on Unsplash


