Adult ADHD
Adult ADHD — Attention-Deficit / Hyperactivity Disorder — is one of the most common, yet still underdiagnosed, neurodevelopmental conditions in adults. ADHD does not only affect children. Research suggests that a significant number of adults meet the diagnostic criteria, yet many remain undiagnosed for years.
In adulthood, ADHD often presents differently than it does in childhood. It is usually less about visible physical hyperactivity and more about difficulties with organisation, time management, concentration, emotional regulation and day-to-day functioning. A proper diagnosis can make a meaningful difference to everyday life, professional performance and overall quality of life.
What is ADHD?
ADHD is a neurodevelopmental disorder that affects key executive functions of the brain, including:
attention
planning
time management
organisation
self-control
emotional regulation
It is not a matter of laziness or “personality”. ADHD has a clear neurobiological basis.
The 3 clinical presentations according to DSM-5
Predominantly inattentive presentation
Difficulty concentrating, distractibility, forgetfulness, poor organisation and difficulty completing tasks.Predominantly hyperactive / impulsive presentation
Physical or inner restlessness, difficulty waiting, impulsive decisions and interrupting others during conversation.Combined presentation
Clinically significant symptoms of both inattention and hyperactivity / impulsivity.
In adults, hyperactivity is often internalised and may feel like constant mental restlessness or a need for frequent stimulation and novelty.
How ADHD presents in adults
Executive functioning
Difficulty planning and organising
Chronic procrastination
Difficulty starting tasks that are not immediately rewarding
Poor sense of time — overestimating or underestimating how long things take
Difficulty completing multiple pending tasks
Attention
Easily distracted by external stimuli
Mentally “checking out” during conversations
Frequent careless mistakes at work
Difficulty maintaining focus on repetitive or monotonous tasks
Hyperfocus on highly interesting activities, often with loss of sense of time
Emotional regulation
Low tolerance for frustration
Irritability and intense emotional reactions
Increased sensitivity to criticism or rejection
A chronic sense of underachievement
Functional impact
Changing studies or jobs without completing them
Difficulty meeting deadlines
Financial difficulties, such as forgotten bills or impulsive purchases
Relationship difficulties and low self-esteem
The underdiagnosis of adult ADHD in Greece
In Greece, adult ADHD often remains under-recognised because:
for many years it was considered mainly a childhood disorder;
adult symptoms are often less obvious or “disruptive”;
specialist knowledge around adult ADHD has developed relatively recently.
An accurate diagnosis can radically change the treatment plan.
How ADHD is diagnosed
ADHD is a clinical diagnosis. There is no blood test or brain scan that can confirm it on its own.
A proper assessment includes:
a detailed clinical interview, covering developmental history and daily functioning;
exploration of symptoms from childhood;
validated tools, such as ASRS-v1.1 and DIVA-5;
assessment of executive functioning difficulties;
differential diagnosis and evaluation of comorbid conditions.
Differential diagnosis — What ADHD is not
Anxiety disorders, depressive disorders, bipolar disorder, sleep disorders, autism spectrum conditions, substance use disorders and medical conditions, such as hypothyroidism, can mimic or coexist with ADHD. Accurate differential diagnosis is essential.
Comorbidity
Adult ADHD often coexists with:
anxiety disorders
depressive disorders
sleep disorders, including insomnia and sleep apnoea
substance use disorders
learning difficulties
Treatment priorities require careful clinical evaluation of all coexisting conditions.
Treatment for adult ADHD
Treatment is personalised and may include:
Medication
Gradual initiation, dose adjustment and regular follow-up.Specialised CBT
Time-management techniques, procrastination management and emotional self-regulation strategies.Psychoeducation and practical strategies
Understanding ADHD and applying realistic tools for everyday life.Complementary interventions
Quality sleep, physical exercise, stable routines and reducing digital distractions.
Medication treatment
The choice of medication is personalised based on:
symptom profile and comorbidities;
medical history and tolerability;
the current regulatory framework.
Medication is started and adjusted gradually, with regular clinical review.
Cognitive Behavioural Therapy for adult ADHD
CBT for adult ADHD focuses on:
time-management and prioritisation techniques;
managing procrastination;
restructuring unhelpful beliefs;
strengthening daily routines;
emotional self-regulation strategies.
Complementary interventions
Sleep, physical exercise, a stable daily routine, management of digital distractions and general health care can significantly support the overall treatment outcome.
The process at my practice
Initial assessment session
A detailed clinical interview and full history-taking.
Completion of validated tools
ASRS-v1.1, DIVA-5 and additional questionnaires where needed.
Second appointment
Presentation of the diagnostic assessment, discussion of the treatment plan and informed consent.
Start of treatment
Medication and/or CBT, based on a personalised treatment plan.
Follow-up
Regular reviews, treatment adjustments and assessment of response.
Appointments are available in person in Trikala or online for patients outside the area or abroad.
Frequently Asked Questions
Can ADHD appear for the first time in adulthood?
No. ADHD symptoms are present from childhood, although they may only be recognised later in life.
Are ADHD medications safe?
Yes, when prescribed after a complete assessment and monitored regularly.
Will I have to take medication forever?
Not necessarily. The duration of treatment is personalised and reviewed over time.
How long does treatment take?
The initial phase requires regular follow-ups. Long-term monitoring is adjusted according to your needs.
Does EOPYY cover ADHD treatment?
Medication coverage depends on the prescribed treatment. Private appointments are not covered.
Can I have an online assessment?
Yes, provided that the clinical context allows it.
I am over 35. Is it too late?
It is never too late. Treatment can significantly improve functioning at any age.
When to seek an assessment
If you recognise persistent difficulties with attention, organisation, time management or emotional regulation since childhood, and these difficulties affect your studies, work or relationships, a structured psychiatric assessment can provide clarity and practical solutions.
Book an Initial Assessment with Dr. Mylonas Georgios
