ADHD Awareness Month 2026
ADHD Awareness Month: understand ADHD, challenge stigma and find support
Every October, ADHD Awareness Month is a chance to understand ADHD properly, question the stereotypes, and make it easier for people to get help.
This page explains what ADHD is, how it shows up at different ages, how assessment works in the UK, what treatment and support actually involve, and what you can do next. Take it at whatever pace suits you. Nothing here needs to be read in one go.
Written in plain English. Skimmable. Nothing you need to finish today.
On this page
Read this in two minutes
ADHD is a neurodevelopmental condition. It affects how a person regulates attention, activity and impulses.
It starts in childhood. Some people are not recognised until their teens or later in life. A late diagnosis does not mean late onset.
It does not look the same in everyone. Some people are visibly restless. Others are quietly distracted, or holding everything together with enormous effort.
Screening is not diagnosis. Online tools can tell you whether a full assessment might be worth pursuing. Only a trained specialist can diagnose ADHD.
Support does not have to wait for a diagnosis. Adjustments at school and work are based on what someone struggles with, not on paperwork.
It is not laziness, bad parenting or low intelligence. None of those are supported by the evidence.
What is ADHD?
ADHD, or attention deficit hyperactivity disorder, is a neurodevelopmental condition that affects how a person regulates attention, activity and impulses.
It begins in childhood, although it may not be recognised until much later. For a clinical diagnosis, the pattern needs to be persistent, more pronounced than expected for the person's stage of development, present across more than one part of life, and causing real difficulty.
That last part matters. ADHD is not diagnosed on traits alone. It is diagnosed on traits and the impact they have.
One common misunderstanding is worth clearing up early. ADHD does not mean you cannot pay attention. It means attention is harder to steer and harder to hold steady. Many people with ADHD can focus intensely on something interesting or urgent, and then find an ordinary admin task almost impossible to start. Both things are part of the same picture.
Is ADHD a condition or a difference?
Both descriptions are in use, and they do not have to compete.
Clinically, ADHD is classified as a neurodevelopmental disorder in both DSM-5-TR and ICD-11, because diagnosis depends on difficulties that cause meaningful impairment.
Personally, many people with ADHD describe themselves as neurodivergent. That word points to something true: brains vary, and environments can make some differences much more disabling than others.
The NHS itself notes that some people with ADHD use the term neurodivergent.
Holding both avoids two opposite mistakes. One is treating ADHD as a broken brain. The other is romanticising it so much that real difficulty and real support needs disappear.
"ADHD is recognised clinically because its traits can cause substantial difficulty. It is also, for many people, simply how their brain works. Both of those are true at once."
Sources for this section: NHS: ADHD in adults, NICE guideline NG87, WHO ICD-11
What are the signs of ADHD?
The signs of ADHD fall into two groups: inattention, and hyperactivity or impulsivity. Most people with ADHD have signs from both groups. Some have mainly one.
What they look like changes a lot with age. Visible physical restlessness often reduces as people get older, while the demands on organisation, planning and self management go up. That is one reason ADHD is sometimes missed until adulthood.
Childhood
Inattention can look like: missing instructions, losing things, forgetting routines, drifting away from tasks, struggling to finish work.
Hyperactivity and impulsivity can look like: fidgeting, getting up often, talking a lot or loudly, finding it hard to wait, interrupting.
Worth remembering: plenty of young children do some of these things. ADHD involves a more persistent pattern that is unusual for the child's age and is genuinely getting in the way.
Adolescence
Inattention can look like: losing track of homework and deadlines, inconsistent results, forgotten equipment, difficulty juggling several subjects and teachers.
Hyperactivity and impulsivity can look like: restlessness, quick decisions, jumping into conversations, difficulty waiting or holding back a reaction.
Worth remembering: more independence often reveals difficulties that were previously being absorbed by family or school routines.
Adulthood
Inattention can look like: trouble organising time and tasks, unfinished projects, losing keys and phones, forgetting things you fully intended to do, struggling with long routine work.
Hyperactivity and impulsivity can look like: internal restlessness rather than visible movement, fidgeting, interrupting, impatience, acting before thinking it through.
Worth remembering: work, relationships, parenting, money and running a home can expose difficulties that were previously being covered by other people or by sheer effort.
What ADHD can feel like from the inside
ADHD is often described through what other people can see: the forgotten homework, the interruptions, the missed deadline.
The person living it may notice something different. Needing far more effort than everyone else seems to need for ordinary tasks. Losing whole hours without meaning to. Feeling restless in a way that is hard to explain. Knowing exactly what needs doing and still not being able to start.
None of these experiences are unique to ADHD. Everybody is distracted sometimes. What a diagnosis looks for is a long term pattern that started in childhood, sits outside what would be expected, and has a real effect on daily life.
Recognising yourself in a list is not a diagnosis. It is just a reason to look into it properly. There is a section on how to do that further down.
The three presentations of ADHD
ADHD is described in three presentations, depending on which symptoms are most prominent.
Predominantly inattentive
Significant inattentive symptoms without currently meeting the threshold for hyperactivity and impulsivity.
Predominantly hyperactive-impulsive
Significant hyperactive and impulsive symptoms without currently meeting the inattentive threshold.
Combined
Both sets of criteria are met.
Presentation can change over time. That is one reason the older label "ADD" causes confusion. Inattentive ADHD now sits inside the ADHD diagnosis rather than being a separate condition.
How is ADHD diagnosed?
ADHD is diagnosed by a trained specialist through a clinical assessment. There is no blood test, genetic test or brain scan that can diagnose it.
In the UK, NICE guidance sets out what a proper assessment involves. Diagnosis should be made by a specialist psychiatrist, paediatrician or another appropriately qualified professional with ADHD expertise. Symptoms need to be causing at least moderate difficulty, be present in at least two important settings, and not be explained better by something else. Rating scales and questionnaires can inform an assessment, but NICE is clear that they must not be the sole basis for a diagnosis.
What a diagnosis looks for
Persistence. A pattern lasting at least six months, not a difficult few weeks.
Childhood onset. Evidence that symptoms were present before around age 12, even if nobody named them at the time.
More than one setting. Home, school, work, relationships. Not only one place.
Meaningful impact. The difficulties get in the way of real life.
Professional assessment. A specialist considers developmental history, current symptoms, impact, and other possible explanations.
DSM-5-TR and ICD-11: what is the difference?
Two diagnostic systems are used internationally. NICE allows either.
| DSM-5-TR (American Psychiatric Association) | ICD-11 (World Health Organization) | |
|---|---|---|
| Core pattern | Inattention and/or hyperactivity-impulsivity | Inattention and/or hyperactivity-impulsivity |
| Duration | At least six months | Persistent, usually at least six months |
| Onset | Several symptoms before age 12 | Significant symptoms before age 12 |
| Thresholds | Under 17: six or more symptoms in a domain. Age 17 and over: five or more | More reliance on clinical judgement than fixed counts |
| Settings | Two or more settings | Across multiple situations |
| Impact | Symptoms interfere with functioning | Direct negative impact on daily functioning |
| Test available | Clinical assessment only | Clinical assessment only |
Screening is a doorway, not a verdict. A validated screening tool can tell you whether a full assessment might be worth asking for. It cannot tell you whether you have ADHD.
How common is ADHD?
ADHD affects a substantial minority of children and adults. In the UK, it remains under recognised in many groups.
Beyond that, the honest answer is that different studies measure different things. You will see very different numbers quoted, and most of the time they are not contradicting each other. They are answering different questions.
Estimated prevalence
What research suggests the true rate is
8.0%
of children and adolescents globally (2023 umbrella review, 95% CI 6 to 10%)
About 2.6%
of adults globally, where ADHD is defined as persisting from childhood
About 6.8%
of adults globally, using a broader current symptom definition
Around 3 to 4%
of UK adults, the planning estimate commonly used here
Screening positive
What happens when you ask a population to fill in a screener
13.9%
of adults in England screened positive on the ASRS screening tool (Adult Psychiatric Morbidity Survey 2023/24)
This is not a diagnosis rate. It is the proportion of people whose answers suggest a full assessment could be worthwhile.
Recorded diagnosis
What is actually written in health records
1.8%
of adults in England reported having been diagnosed by a professional (APMS 2023/24)
1.19%
of people in England had ADHD recorded in primary care records at 30 June 2025 (study published 2026)
2,498,000 people
in England were estimated by NHS England to have ADHD in May 2025, including those not yet diagnosed
Up to 549,000
people may have been waiting for an assessment in March 2025
Why do ADHD statistics vary so much?
Three reasons, mostly.
Different definitions. Requiring evidence of childhood onset produces a lower figure than counting current symptoms alone.
Different measures. A screening questionnaire, a clinical diagnosis and a GP record are three different things.
Different populations. Age, country and setting all change the result.
One thing the numbers do agree on. Far more people appear to have ADHD than currently have it recorded, and the gap is widest in older adults.
It is worth being careful with the phrase "ADHD is exploding". Rising referrals, prescriptions and online conversation tell you that recognition is changing. They do not tell you that the underlying rate of ADHD has changed. NHS England's own taskforce describes significant historical under recognition and under treatment.
Sources: NHS England ADHD taskforce, Adult Psychiatric Morbidity Survey 2023/24, chapter 9
What causes ADHD?
ADHD does not have one cause. The evidence supports a model where many genetic influences combine with developmental and environmental factors.
Genetics is the strongest established contributor. A major 2023 genome wide study involving 38,691 people with ADHD identified 27 significant genetic locations, none of which is "the ADHD gene". A 2025 study added evidence that rarer, more damaging variants play a role in a minority of cases. Twin studies estimate heritability at roughly 77 to 88%.
That heritability figure needs one plain English warning.
A heritability estimate describes variation across a whole population. It does not mean 80% of one person's ADHD is genetic, and it does not mean anyone's outcome is fixed.
Brain research shows average group differences, not two types of brain. Large international imaging studies have found small average differences in some brain structures between groups, particularly in children. The effect sizes are small and individual brains overlap enormously. This research helps scientists understand mechanisms. It cannot tell you whether one particular person "has an ADHD brain".
Development and environment are studied, carefully. Factors such as premature birth and brain injury are associated with higher ADHD risk. Association is not the same as cause. Some associations that were once assumed to be causal have not held up under more rigorous genetic research. This matters, because loose causal claims turn quickly into blame, usually aimed at parents.
What we can say clearly
ADHD is not caused by laziness or bad parenting.
Genes play a large role, but there is no single ADHD gene.
Researchers also study early development and environmental factors.
No brain scan or genetic test can currently diagnose ADHD in an individual.
ADHD in girls, women and people who get missed
ADHD is recognised less often in girls and women. That is a recognition gap, not a difference in who can have ADHD.
The NHS notes that women with ADHD more commonly have inattentive symptoms, which can be harder to spot than hyperactive ones. Research also describes masking, compensating through extra effort, and symptoms being interpreted as anxiety, disorganisation or lack of effort rather than ADHD.
It would be easy to replace one stereotype with another here, so it is worth being precise. It is not that girls are inattentive and boys are hyperactive. The patterns overlap a great deal. The more accurate statement is this: referral systems have historically been very good at noticing disruptive, visible difficulty, and much less reliable at noticing difficulty that is quiet, masked, or already being explained by another label.
The same applies beyond gender. Research has found demographic inequalities in who receives an ADHD diagnosis in the UK, and NHS England's taskforce identifies inequities in recognition and care as a real problem. The responsible conclusion is that access to diagnosis can be unequal, not that ADHD itself is unevenly distributed between communities.
Being diagnosed later in life
A late diagnosis is not the same as late onset ADHD.
Diagnostic systems require evidence of childhood symptoms, but plenty of people reach adulthood without being identified. Supportive schools, high ability, structured family life, masking, or simply having lower demands can all hide the impact for years. As responsibilities build up, the coping systems that used to work may stop being enough.
People describe very different feelings after a later diagnosis. Relief is common. So is grief, and frustration about the years spent assuming it was a personal failing. There is no single correct reaction.
Illustrative examples, not testimonials. The three stories below are composites written to show what a later recognition can look like.
Maya, 16
"People thought I was coping because my marks were good."
Maya rarely disrupted a lesson. She rebuilt forgotten homework late at night and stayed on top of things through sheer effort. As school got more complex, holding it all together became exhausting. Learning about inattentive ADHD did not give her an answer. It gave her family a better question to take to school and to the GP, and the school started practical support without waiting for the assessment to finish.
Alex, 38
"The diagnosis did not change my past. It changed the explanation."
Alex had always been told they were capable but inconsistent. A promotion brought more unstructured work and admin, and the old systems stopped working. Assessment looked at far more than current productivity: childhood, education, relationships, mental health, other possible explanations. The diagnosis brought relief and also some grief. Support ended up being medication, new planning systems and changes at work, not one single fix.
Jordan, 27
"Support mattered before I had the paperwork."
Jordan was on a waiting list and worried that asking for help would look like making excuses. Their manager simply asked which situations were hardest. Written priorities, fewer last minute switches and a quieter place to concentrate made an immediate difference. The adjustments did not decide whether Jordan had ADHD. They removed barriers that already existed.
ADHD and other conditions
ADHD often occurs alongside other conditions. A person can have more than one valid diagnosis.
ADHD can overlap with other conditions
Depending on age and circumstances, ADHD commonly co-occurs with autism, dyslexia and other learning difficulties, anxiety, depression, tic disorders, sleep difficulties, and in some adults, substance use problems. In children, oppositional or conduct difficulties are also common.
It also works the other way round. Poor sleep, anxiety, depression and several other conditions can produce concentration difficulties that look a lot like ADHD. That is exactly why a proper assessment considers alternatives rather than jumping to the most obvious label.
Rates vary enormously depending on age, setting and how a study was done, so a single headline percentage would be misleading. What matters practically is simpler: if a clinician asks a lot of questions about sleep, mood, alcohol or your childhood reading, they are not doubting you. They are doing the job properly.
ADHD treatment and support: what the evidence says
Treatment for ADHD is usually a combination of things: reducing symptoms, building practical skills, and changing the environment around the person.
Two things are true at the same time here, and both get lost in most online arguments.
Medication has the strongest evidence for reducing core ADHD symptoms. And evidence based treatment is not only medication. Not everyone wants it. Not everyone needs it. NICE guidance explicitly includes environmental changes, education and psychological support alongside medicines.
| Approach | What the evidence says | UK position | Worth knowing |
|---|---|---|---|
| Methylphenidate | Stimulant with strong evidence for reducing core symptoms, particularly in children and young people | NICE first line medication for children aged 5 and over when medication is indicated, and one of two first line adult options | Must be started and monitored by an ADHD specialist |
| Lisdexamfetamine and dexamfetamine | Stimulants with strong evidence, particularly in adults | Lisdexamfetamine is a first line adult option | Choice depends on response, side effects, physical health and circumstances, not on a website quiz |
| Atomoxetine | Non stimulant with evidence for core symptoms | A NICE option where stimulants are unsuitable, not tolerated or not effective enough | Works differently from stimulants. Non stimulant does not mean risk free |
| Guanfacine | Non stimulant used particularly in children and young people | A NICE option in specified circumstances for children and young people | Needs clinical monitoring |
| Parent focused programmes | Can improve routines, strategies and family functioning | Recommended within NICE's approach for relevant children and families | These change the environment and the tools available. They do not imply ADHD was caused by parenting |
| ADHD focused CBT | Adult meta-analysis supports improvements in core symptoms, emotional symptoms and quality of life | NICE recommends structured psychological support for adults where non-medication treatment is indicated | Not "think positively". Usually covers planning, behaviour, beliefs and emotional regulation |
| ADHD coaching | May help with goal setting, routines, accountability and practical strategies. The research base is much smaller than for medication or CBT | Sits alongside clinical care, work or study support | Accurately described as support, not as a replacement for diagnosis or treatment |
| Reasonable adjustments | Reduce the mismatch between a person's needs and their environment | Employers have duties under equality law where the tests are met. Access to Work can fund some support beyond that | Should be based on individual barriers, not a generic ADHD package |
| Sleep, movement and general health | Support overall wellbeing and can ease things that make ADHD harder | Useful alongside other treatment | No diet, supplement or exercise plan cures ADHD |
On medication: ADHD medicines can substantially reduce symptoms for many people, but response and side effects vary. A specialist should talk you through the benefits, the risks, the alternatives and how you will be monitored.
On shared care: a GP may prescribe ADHD medication after a specialist has started it, under an agreed shared care arrangement. This is not automatic. It depends on an agreement between the specialist and the GP.
Sources: NICE NG87, NHS: ADHD in adults, NHS: ADHD in children and young people
How to get an ADHD assessment in the UK
The usual starting point is your GP for adults, and school plus your GP for children and young people.
Where are you?
Referral routes differ across the UK. Choose your nation to see what applies to you.
The steps below apply across the UK. One thing does not: Right to Choose, which lets you pick a different NHS funded provider, is England only. Pick your nation above and this box will tell you what applies where you live.
If you are an adult
- Write things down first. A few concrete examples help more than a list of adjectives. What is hard, how long it has been hard, where it happens, and what it has cost you.
- Consider a screening tool. The ASRS is a short, validated adult screener. ADHD UK hosts a free version. It indicates whether an assessment may be worthwhile. It is not a diagnosis.
- Speak to your GP. The NHS suggests doing this when possible ADHD symptoms are affecting work, study or relationships. Your GP will look at your history and consider other or additional explanations.
- Ask about referral. If a referral is appropriate, your GP can refer you to a specialist ADHD service.
- Ask about your options. In England, you may be able to use Right to Choose to pick a different NHS funded provider. Ask your GP whether you are eligible.
- The assessment itself usually covers childhood history, education, work, relationships, physical and mental health, and where useful, information from someone who knows you well.
If you are a parent or carer
- Talk to the school. A teacher or the SENCO can discuss support and may contribute to a referral.
- Talk to your GP. Depending on your local pathway, this may be the main referral route.
- Ask what can start now. This is the important one. Support at home and school should continue while a child waits. A diagnosis is not permission to start meeting obvious needs.
Waiting is common and it is not your fault. NHS pages are open about waits that can run into months or years. NHS England estimated that up to 549,000 people in England may have been waiting for an assessment in March 2025. Please do not read a long wait as a sign that your difficulties are not real or not serious enough.
NHS or private assessment?
| Route | How it starts | Worth knowing |
|---|---|---|
| NHS local pathway | Adults: GP. Children: school and/or GP | No assessment fee. Connects into local NHS care. Waits vary widely |
| Right to Choose (England only) | Discuss an eligible NHS referral with your GP | You may be able to choose another NHS contracted provider. Eligibility and capacity change, so check current NHS information |
| Private assessment | You approach a provider directly | An alternative route if you can pay. Check what is included, and note that a private diagnosis does not guarantee a GP will agree to shared care prescribing |
| Scotland, Wales, Northern Ireland | GP, school and local Health Board or Trust routes | Do not assume England's Right to Choose applies. Check your nation's route |
Questions worth asking a private provider
- Who makes the diagnosis, and what are their qualifications and ADHD training?
- Is a full developmental history collected?
- Is information gathered from more than one setting?
- Are other and co-occurring conditions considered?
- If medication is an option, who does the baseline physical checks, prescribing and titration?
- What follow up is included, and for how long?
- What happens if my GP does not agree to shared care?
Quality standards such as the Adult ADHD Assessment Quality Assurance Standard set out what a thorough assessment should contain. They are a useful benchmark, though a standard is not a personal guarantee about any individual provider.
ADHD support at school, university and work
Support should be based on what someone actually finds difficult, not on whether they have finished a diagnostic process.
That is not wishful thinking. Reasonable adjustment duties under UK equality law depend on disability and disadvantage, not on possession of a diagnosis certificate. NHS guidance tells schools to keep supporting children while they wait. NHS England's taskforce recommends expanding needs led support rather than making everyone wait for a label.
At school or university
- Instructions given in writing as well as out loud
- Work broken into smaller stages with clear checkpoints
- A quieter place to concentrate, or permission to use headphones
- Extra time, or different ways to demonstrate learning
- Help with planning, deadlines and equipment
- Predictable routines and clear priorities
Start with the SENCO in schools, or the disability and student support service at university.
At work
- Written summaries after verbal briefings
- Clear priorities and realistic, explicit deadlines
- Fewer last minute task switches where possible
- A reduced distraction workspace, or flexibility about where you work
- Regular short check ins instead of long unstructured periods
- Assistive technology for planning, note taking or focus
You do not have to disclose a diagnosis to ask for something that would help. Many useful adjustments are simply good management practice.
ADHD myths and stigma
Stigma is not just about rude language. It affects whether people ask for help at all.
A 2026 systematic review found adult ADHD stigma associated with reduced help seeking, poorer engagement with treatment, social exclusion and lower quality of life. Internalised stigma, the version people turn on themselves, has been linked with worse self esteem and functioning. NHS England's taskforce identifies stigma and misinformation as material problems in ADHD care.
So myth busting is not a bit of fun. It is part of the health information.
"ADHD is just bad behaviour."
ADHD is an internationally recognised neurodevelopmental condition. Diagnosis requires a persistent pattern of inattention and/or hyperactivity and impulsivity with meaningful impact. The symptoms are not defined as deliberate defiance.
"Everyone is a little bit ADHD."
Most people lose focus, forget things or act impulsively sometimes. ADHD is different because the pattern is persistent, began in childhood, is unusual for the person's stage of development, and causes real difficulty across important parts of life.
"ADHD only affects boys."
People of any gender can have ADHD. Girls and women are recognised less often, partly because quieter, inattentive presentations are easier to miss.
"Children grow out of it."
Symptoms often change with age, and visible hyperactivity may reduce. ADHD can persist into adulthood, where difficulties with attention, organisation, restlessness and impulsivity continue.
"Bad parenting causes ADHD."
ADHD has a strong genetic contribution and complex developmental biology. Parenting affects how well a child is supported. It is not an evidence based explanation for the condition.
"A brain scan can prove it."
Research finds small average differences between groups, with extensive overlap between individuals. ADHD is a clinical diagnosis. Routine brain imaging is not a diagnostic test for it.
"If medication helps, it was not really ADHD."
Medication response is not a diagnostic test. Diagnosis is based on developmental history, symptoms, impact and clinical assessment.
"ADHD is a superpower."
This one deserves a gentler answer. Many people connect ADHD with genuine strengths, and that is worth celebrating. But framing it only as a superpower can quietly invalidate people who are struggling badly, or who need treatment. Both experiences are real, often in the same person, on different days.
Words that help
| Try | Rather than |
|---|---|
| Person with ADHD, or ADHD person, depending on what they prefer | Insisting there is one correct term |
| ADHD traits, symptoms, support needs | Naughty, lazy, undisciplined |
| Has ADHD, is diagnosed with ADHD | Suffers from ADHD, as a blanket description |
| ADHD medication | ADHD drugs |
| Non-ADHD people, or neurotypical people | Normal people |
| Needs more support with | High functioning, low functioning |
| Some people with ADHD describe strengths such as | ADHD is a superpower |
| Screened positive for ADHD traits | Tested positive for ADHD |
Language preferences differ between people. The most useful thing you can do is ask someone how they describe themselves, and then use that.
What you can do this ADHD Awareness Month
Awareness is only useful if it changes what happens next.
Learn enough to see past the stereotype.
ADHD is not one restless child at the back of a classroom.
Swap the label for a question.
Instead of lazy or careless, try asking what is actually making this task hard.
Make support available because someone needs it.
Not only once they have finished a long diagnostic journey.
Share good information.
A viral checklist is not the same as a proper explanation.
Listen to people with ADHD.
They are the experts on their own lives.
ADHD Awareness Month runs from 1 to 31 October
It is an international campaign supported by organisations including ADHD Europe, ADDA and CHADD. Official campaign graphics and resources are available at adhdawarenessmonth.org, subject to their usage terms. The coalition confirms each year's theme ahead of October. The 2025 theme was "Know. Support. Thrive."
See ADHD events happening in OctoberIf the hard part is doing it consistently
Understanding ADHD is one thing. Building a routine that survives a bad week is another.
Loops is a daily coaching system built for how ADHD brains actually work. Small daily actions. Gentle accountability. Rewards that make momentum feel possible. And a system that expects you to fall off and helps you start again, without any of the guilt.
To be clear about what it is: Loops is practical support, not a medical treatment or a substitute for assessment or care. If you think you may have ADHD, the section on getting an assessment is the right place to start.
Try LoopsNeed help now?
ADHD can sit alongside depression, anxiety and suicidal thoughts. You do not need an ADHD diagnosis, a referral or a completed assessment before getting urgent support.
If you or someone else is in immediate danger: call 999 or go to A&E.
For urgent mental health help in England: use NHS 111 online or call 111 and select the mental health option. Scotland, Wales and Northern Ireland have their own urgent routes.
To talk to someone anywhere in the UK, day or night: call Samaritans free on 116 123, or visit samaritans.org.
More information: NHS help for suicidal thoughts
Frequently asked questions
What is ADHD in simple terms?
ADHD is a neurodevelopmental condition that affects how a person regulates attention, activity and impulses. It starts in childhood, though it is sometimes not recognised until much later. For a diagnosis, the pattern must be persistent, unusual for the person's stage of development, present in more than one setting, and causing real difficulty.
Can you have ADHD without being hyperactive?
Yes. ADHD has inattentive, hyperactive-impulsive and combined presentations. Some people have mainly inattentive symptoms and never fit the stereotype of a visibly hyperactive child. This is one reason ADHD is missed in some people for years.
Can ADHD be diagnosed for the first time in adulthood?
Yes. Adults can receive a first diagnosis. Current diagnostic systems still require evidence that symptoms were present in childhood. People are often missed earlier because their symptoms were less visible, because they had good support or coping strategies, or because life had not yet demanded much of their organisation and self management.
Does being able to focus on things I enjoy mean I do not have ADHD?
No. ADHD does not mean a complete inability to pay attention. It involves difficulty regulating attention, activity and impulses. Interest, novelty, urgency and structure all change how well someone performs, which is why clinicians look at the long term pattern rather than one task.
Can an online test diagnose ADHD?
No. A validated screener such as the ASRS can indicate whether a fuller assessment may be worthwhile. NICE is explicit that ADHD should not be diagnosed on rating scales alone. Diagnosis requires a clinical assessment covering developmental history, current symptoms, impact across settings, and other possible explanations.
How do I get an ADHD assessment on the NHS?
For adults, start with your GP, particularly if possible symptoms are affecting work, study or relationships. Your GP will consider your history and other explanations, and can refer you to a specialist ADHD service. For children and young people, speak to the school or SENCO and your GP. In England you may be able to use Right to Choose to select a different NHS funded provider, so it is worth asking your GP whether you are eligible.
How long is the ADHD waiting list in the UK?
Waits vary a great deal by area and change quickly, so any specific figure goes out of date fast. NHS pages are open that waits can extend to months or years. NHS England estimated that up to 549,000 people in England may have been waiting for an assessment in March 2025. Ask your local service for its current position, and ask what support can begin while you wait.
Is medication the only treatment for ADHD?
No. Medication has the strongest evidence for reducing core symptoms and is recommended by NICE when appropriate. Support can also include environmental changes, education about ADHD, parent focused programmes, structured psychological treatment such as ADHD focused CBT, and adjustments at school, university or work. Not everyone needs or wants medication.
Can I get support before I have a diagnosis?
Yes. A diagnosis should not be the starting gun for every kind of help. NHS guidance tells schools and families to keep supporting children while they wait, and NHS England's taskforce recommends expanding needs led support. At work, reasonable adjustment duties depend on disability and disadvantage under equality law, not on holding a diagnosis certificate.
Is ADHD a mental health condition or neurodivergence?
Clinically, DSM-5-TR and ICD-11 classify ADHD as a neurodevelopmental condition. Many people also describe themselves as neurodivergent, which is a personal and social description rather than a clinical one. ADHD can occur alongside mental health conditions such as anxiety or depression, but the terms are not interchangeable.
What causes ADHD?
ADHD does not have one cause. Genetics is the strongest established contributor, with many genetic variants each adding a small amount of risk rather than a single ADHD gene. Researchers also study developmental and environmental factors. ADHD is not caused by laziness, screen time or poor parenting, and no brain scan or genetic test can currently diagnose it in an individual.
Is ADHD more common in boys than girls?
ADHD is diagnosed more often in boys, but that reflects recognition rather than who can have ADHD. Girls and women are recognised less often, partly because inattentive presentations are quieter and easier to miss, and partly because difficulties are sometimes attributed to anxiety or lack of effort instead.
When is ADHD Awareness Month?
ADHD Awareness Month runs throughout October each year. It is an international campaign supported by organisations including ADHD Europe, ADDA and CHADD, with free resources and graphics available for community use.
Where to find more support
Clinical information
Charities and peer support
- ADHD UK and its adult self screening tool
- ADDISS, information and support for families and professionals
- AADD-UK, by and for adults with ADHD
- ADHD Adult UK
- ADHD Foundation, neurodiversity charity
- YoungMinds, mental health support for young people and parents
Work, education and rights
How we created this page
This information was developed using NHS and NICE guidance, WHO and DSM diagnostic frameworks, and peer reviewed research.
Screening tools do not diagnose ADHD. This page is general information and does not replace individual medical advice.
Written by the ADHD Events editorial team. Clinical review pending: this page has not yet been reviewed by a registered clinician, and we will name the reviewer and their registration here once it has.
Evidence last checked: August 2026. Next review due: no later than August 2027, or sooner if NICE guidance, NHS pathways, medication advice or urgent care information changes.