Adult ADHD: symptoms, diagnosis and treatment

"I always leave things to the last minute." "I keep interrupting people." "I start ten things at once and finish none of them." Most of us have said something like this about ourselves at some point. For some people, though, these are not passing moments. They are a pattern that has been with them since childhood and that costs them at work, in their studies and in their relationships. That pattern can be a sign of adult attention-deficit/hyperactivity disorder, or ADHD.

This article explains what adult ADHD is, what its signs are, how it is diagnosed and what treatments are available.

What is adult ADHD?

ADHD is a neurodevelopmental condition: it concerns how the brain develops and works, not laziness, lack of discipline or poor upbringing. It begins in childhood, but in many people it continues into adulthood. International estimates suggest that around 2 to 3 percent of adults have ADHD symptoms.

Many adults who are diagnosed with ADHD today were never assessed as children. Especially in families and schools with little awareness of the condition, these children were often called "absent-minded", "a handful" or "bright but lazy".

Signs of ADHD in adults

ADHD symptoms fall into two main groups. Some people mainly have signs from the first group, some from the second, and some from both.

1. Inattention

• Difficulty finishing tasks, especially the final parts and the details
• Forgetting appointments, bills, messages and commitments
• Constantly misplacing things such as keys, wallet or phone
• Being distracted by the smallest sound or thought
• Putting off tasks that need sustained concentration
• Difficulty organising, planning and estimating time

2. Hyperactivity and impulsivity

In adults, hyperactivity rarely looks like running around and climbing on things. It more often shows up as:

• Inner restlessness and difficulty sitting still in meetings
• Constant fidgeting with hands or feet
• Interrupting others or finishing their sentences
• Sudden decisions or purchases that are regretted later
• Impatience in queues, traffic or while waiting

Signs that are talked about less

Many adults with ADHD also report other experiences: quickly shifting emotions, strong sensitivity to criticism, a feeling of being "behind" others despite being capable, and sometimes "hyperfocus" on something they find interesting, to the point of losing track of time. These are not part of the formal diagnostic criteria, but they matter a great deal in daily life.

How is ADHD different from ordinary distraction?

We all get distracted sometimes, especially when tired, stressed or short of sleep. ADHD differs in three ways:

• It starts in childhood: several symptoms must have been present before age 12, even if nobody noticed them.
• It is persistent: the symptoms do not just appear during a difficult period; they have been with you for years.
• It affects several areas of life: the difficulty is not only at work or only at home, but shows up at work, in studies, in relationships and in managing everyday life.

ADHD and migration

For many Iranians living abroad, ADHD symptoms become more noticeable after migration. Life in a new country is full of paperwork, forms, deadlines, appointments and language learning, which are exactly the tasks that need planning and focus. Earlier support structures, such as family members who reminded you of things or a familiar workplace, are no longer there.

At the same time, the stress of migration, anxiety, depression and lack of sleep can all cause ADHD-like symptoms. So if these difficulties only began after you moved, they may have another cause, and a professional assessment becomes even more important.

How is adult ADHD diagnosed?

No blood test, brain scan or online test can diagnose ADHD on its own. A diagnosis is made by a psychiatrist or clinical psychologist after a full assessment, which usually includes:

• A clinical interview about current symptoms and their effect on your life
• A look at your history since childhood, sometimes with school reports or input from parents
• Standard questionnaires, such as the Adult ADHD Self-Report Scale (ASRS)
• Checking for other conditions that can cause similar symptoms or occur alongside ADHD, such as anxiety, depression, bipolar disorder, sleep problems and substance use

If you would like a first impression, you can take the free adult ADHD test. It is based on Part A of the World Health Organization's ASRS and takes about two minutes. The result is not a diagnosis, but it shows whether a professional assessment could be useful for you.

Treatment for adult ADHD

ADHD can be managed, and many adults notice a real difference in their quality of life after diagnosis and treatment. Treatment usually combines several approaches:

Medication

Stimulant and non-stimulant medications are among the main treatments for adult ADHD and have shown good effects on symptoms in research. Prescribing, dosing and monitoring these medications must only be done by a doctor or psychiatrist after a full assessment.

Psychotherapy

Cognitive behavioural therapy (CBT) adapted for adult ADHD helps people learn practical skills such as planning, prioritising and time management, and work on the shame, self-blame and negative thinking patterns that often build up after years of living with undiagnosed ADHD. To learn more, read What is cognitive behavioural therapy?

Education and everyday strategies

Understanding ADHD, both for the person and for their partner and family, can by itself remove a lot of misunderstanding and guilt.

Practical strategies for everyday life

• Get it out of your head: put appointments, tasks and ideas straight into a calendar or notes app, not into memory.
• Break big tasks down: instead of "prepare my tax return", write "put my payslips in one folder".
• Use a timer: working in short blocks, for example 25 minutes with a 5-minute break, makes it easier to start.
• A fixed place for things: one bowl by the door for keys, wallet and cards.
• External reminders: phone alerts for bills and official deadlines.
• Look after the basics: enough sleep, regular physical activity and less alcohol make symptoms easier to manage.

When should you talk to a professional?

If these signs sound familiar, have been with you since childhood and affect your work, studies, relationships or finances, talking to a mental health professional can be a good step. If you also have long-lasting low mood, hopelessness or severe anxiety, these should be part of the assessment too.

At Emotral you can talk about your experience with Persian-speaking therapists. If you are in immediate danger, please call your local emergency number or visit the urgent help page.

References

• American Psychiatric Association. (2022). Diagnostic and Statistical Manual of Mental Disorders (5th ed., text rev.; DSM-5-TR).
• Faraone, S. V., Banaschewski, T., Coghill, D., et al. (2021). The World Federation of ADHD International Consensus Statement: 208 evidence-based conclusions about the disorder. Neuroscience & Biobehavioral Reviews, 128, 789-818.
• Kessler, R. C., Adler, L., Ames, M., et al. (2005). The World Health Organization Adult ADHD Self-Report Scale (ASRS). Psychological Medicine, 35(2), 245-256.
• National Institute for Health and Care Excellence. (2018, updated 2019). Attention deficit hyperactivity disorder: diagnosis and management (NICE guideline NG87).
• Simon, V., Czobor, P., Bálint, S., Mészáros, Á., & Bitter, I. (2009). Prevalence and correlates of adult attention-deficit hyperactivity disorder: meta-analysis. British Journal of Psychiatry, 194(3), 204-211.