Adult ADHD: Signs, Misunderstandings and When to Seek Support

Have you ever avoided a five-minute task for most of the day, then spent hours completely absorbed in something that interested you? Perhaps you know what needs doing but cannot reliably make yourself begin. You may lose objects you were holding moments ago, arrive late despite trying hard to be on time, or depend on the sudden pressure of a deadline before your mind seems able to engage.

Experiences like these do not automatically mean that somebody has ADHD.

Most people become distracted, forget things or procrastinate sometimes.

What they do show is why adult ADHD can be misunderstood when we reduce it to the idea that a person simply cannot pay attention.

I am Paige Bronson, a BACP-registered integrative counsellor and coach working with Horizon Connect.

I was diagnosed with ADHD at 30, and I support adults who are making sense of ADHD, possible ADHD, late diagnosis, masking, overwhelm and self-criticism.

This article offers education and reflection. It cannot diagnose ADHD, and it is not a substitute for an assessment by an appropriately qualified ADHD

specialist.

The central idea: ADHD is not identified by one relatable trait. What matters is a persistent pattern, beginning in childhood, that creates meaningful difficulty across everyday life.

Adult ADHD is more than an inability to pay attention.

NHS guidance describes the core areas of ADHD as inattention, hyperactivity and impulsivity. In adulthood, those words can look different from the childhood stereotype many people still carry.

Inattention may appear as difficulty organising time, following multi-step instructions, finishing tasks, keeping track of belongings or holding an intention in mind long enough to act on it. The person may care deeply about the task and still struggle to begin or complete it consistently.

Hyperactivity does not always mean visibly running around. An adult may experience internal restlessness, a mind that rarely feels quiet, a need to keep moving, rapid speech, difficulty relaxing or a tendency to take on several things at once.

Impulsivity may show up as interrupting, reacting before there has been time to think, making quick purchases, agreeing to commitments without checking capacity, or changing direction suddenly.

None of these examples confirms ADHD on its own. They are possible expressions of a much broader pattern.

How can someone with ADHD concentrate for hours?

One of the most confusing aspects of ADHD is inconsistency. A person may become deeply absorbed in something interesting, urgent, new or rewarding, then struggle to start a routine task that matters just as much.

From the outside, this can look selective: "You focused on that, so why could you not focus on this?"

From the inside, it can feel like having attention but not always being able to direct, shift or sustain it where it is needed. Becoming absorbed can bring genuine strengths and enjoyment, but it may also mean losing track of time, missing meals, overlooking other responsibilities or finding it difficult to stop.

This is why the question is not simply, "Can this person concentrate?" A more useful question is, "How consistently can they regulate their attention across different demands and settings?"

An executive-function lens can reduce inaccurate blame.

Executive functions are the mental processes involved in planning, starting, sequencing, remembering and completing actions. They help us pause, prioritise, estimate time, move between tasks and manage competing demands.

Looking through this lens does not remove personal responsibility. It makes responsibility more practical. If an intention repeatedly disappears from working memory, another promise to 'try harder' may not solve the problem. A visible reminder, written instruction or shared calendar may be more effective. If 'sort out the house' feels impossible to begin, defining the first visible action - such as putting all unopened post in one place - may reduce the number of decisions required to start.

Accurate description is more useful than a moral label. "I struggle to begin when the first step is unclear." gives you something to work with. "I am lazy" does not.

Why might ADHD not be recognised until adulthood?

For a formal ADHD diagnosis, the underlying pattern begins in childhood, even when nobody recognised it at the time.

Some adults had a strong external structure from school or family. Some were bright

enough to compensate academically but used anxiety, perfectionism, over-preparation or last-minute pressure to keep up. Others had less visible inattentive difficulties that did not match the familiar image of a disruptive child.

The NHS notes that ADHD may be recognised less often in women, in part because inattentive presentations can be harder to spot. Culture, expectations, access to support and the reactions of adults around a child can also affect how behaviour is interpreted.

The pattern may become more obvious when the environment changes. University, employment, parenthood, managing a home, relationship responsibilities, hormonal changes, illness or burnout can remove old structure and increase the number of demands. ADHD has not necessarily appeared suddenly; the strategies that previously held life together may no longer be enough.

ADHD or ordinary forgetfulness?

Look at the pattern and impact.

Everyone forgets an appointment occasionally, becomes distracted when tired or delays a task they dislike.

ADHD assessment considers more than the presence of familiar experiences.

Clinicians look at whether the pattern was present during childhood, whether it appears across more than one area of life and whether it causes significant difficulty in functioning. Work and education, relationships, household responsibilities, finances, emotional well-being and daily organisation may all be relevant.

Context matters too. Anxiety, depression, trauma, sleep difficulties, autism, substance use, physical health conditions and major stress can create overlapping experiences or coexist with ADHD. A careful assessment considers the whole picture rather than treating a checklist score as a diagnosis.

What happens during an adult ADHD assessment?

An adult ADHD assessment should be carried out by a suitably trained specialist. NHS and NICE guidance describe a process that considers developmental history, current symptoms, the effect across different ,areas of life, mental and physical health, and information from someone who knows the person well when appropriate.

It can help to prepare examples rather than only general conclusions. School reports, memories from childhood, patterns at work, repeated relationship difficulties, unfinished tasks, time-management problems and the strategies used to compensate may all add useful context. You do not have to prove that every difficulty is caused by ADHD. The purpose is to help the clinician reach a balanced understanding, including other possible explanations.

An online screening questionnaire may help organise your thoughts, but it cannot confirm a diagnosis. If you want a formal assessment, speak to your GP or an appropriately qualified ADHD assessment provider.

Support does not have to wait for certainty

You can respond to genuine difficulties while you are considering assessment or waiting for an appointment. Helpful experiments might include keeping commitments in one visible place, asking for important instructions in writing, reducing avoidable distractions, using alarms that describe the required action and breaking vague projects into smaller starting points.

Sleep, regular meals, enjoyable movement and recovery time are not cures for ADHD. They are foundations that can influence anybody's ability to concentrate, regulate emotion and handle stress. At work or in education, reasonable adjustments may include a quieter workspace, written as well as spoken instructions, or help planning and structuring tasks.

The aim is not to build a perfect system overnight. It is to notice what reduces friction and makes important responsibilities more achievable.

Where counselling and coaching-informed support fit

An ADHD assessment answers a diagnostic question. Counselling has a different role. It can help with the shame, self-doubt, anxiety, relationship patterns and emotional exhaustion that may have grown around years of feeling misunderstood.

Coaching-informed work can also help translate insight into realistic daily support. That might mean observing when tasks become blocked, developing clearer communication, creating external structure or learning to review a failed strategy without turning it into evidence of personal failure.

Understanding ADHD is not about collecting an excuse or reducing your whole identity to a diagnosis. It is about replacing inaccurate blame with clearer information, appropriate accountability and support that fits the person in front of us.

Frequently asked questions

Can adults with ADHD still concentrate deeply?

Yes. Some adults with ADHD can become intensely absorbed in interesting, urgent or rewarding activities. The difficulty may be regulating attention consistently - including starting, shifting and sustaining it across less engaging tasks - rather than having no capacity to focus.

How is adult ADHD different from ordinary forgetfulness?

Occasional forgetfulness is part of ordinary life. ADHD involves a persistent pattern that began in childhood, occurs across settings and creates significant difficulty in areas such as work, education, relationships or daily living. Only a qualified specialist can diagnose it.

Do I need a diagnosis before asking for support?

No. You can use practical strategies and discuss genuine needs before diagnosis. At work, the most appropriate route depends on your circumstances; Acas advises that employers and workers should discuss useful support and review adjustments rather than assuming one approach fits everyone.

How Horizon Connect can help

If ADHD, possible ADHD or the emotional impact of living with these patterns is affecting you, contact Horizon Connect to arrange a counselling or coaching session with me, Paige Bronson.

Sessions are available in person in Tavistock and online across the UK.

Sources and further reading

NHS: ADHD in adults. Adult symptoms, assessment, management, reasonable adjustments, medication and talking therapies.

NICE NG87: Attention deficit hyperactivity disorder - diagnosis and management. Specialist diagnosis, treatment planning and support for adults with ADHD.

Horizon Connect: ADHD counselling and coaching for adults. Information about adult ADHD support available through Horizon Connect.

Publication safety note: This article is educational and does not provide a diagnosis or individual medical advice. For a formal ADHD assessment, speak to a GP or an appropriately qualified ADHD assessment provider.