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Is There Consensus on ADHD Over vs Underdiagnosis? 

PostedOctober 9, 2025
UpdatedOctober 9, 2025
ByMy Patient Advice

The debate over consensus on ADHD diagnosis remains divided among professionals, with experts offering differing views on whether ADHD is more commonly overdiagnosed or underdiagnosed. While some argue that ADHD is overdiagnosed due to widening diagnostic criteria and increased prescription rates, others contend that ADHD is still underdiagnosed, particularly in adults, women, and certain minority groups. 

Clinical guidelines vary, but most encourage a comprehensive evaluation of ADHD symptoms to ensure accurate diagnosis. However, the growing awareness and pressure from schools, parents, and media can sometimes lead to misdiagnosis or rushed decisions. On the other hand, many adults with ADHD remain undiagnosed, despite experiencing significant challenges in daily life. This disparity fuels ongoing expert opinion about the true prevalence of ADHD and whether the condition is being missed in certain populations. 

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Why There’s No Clear Consensus 

Here are some reasons for the lack of consensus on ADHD diagnosis: 

Varying diagnostic practices  

Different clinicians and healthcare systems may have different thresholds for diagnosing ADHD, leading to inconsistencies in diagnosis rates. 

Cultural factors  

Societal pressures, educational expectations, and cultural views on behaviour can influence how ADHD is recognised and diagnosed. 

Focus on extremes  

The debate often centres on either the overdiagnosis or underdiagnosis extremes, without considering the possibility of both occurring in different populations. 

In conclusion, achieving a diagnostic balance requires a nuanced approach, incorporating accurate assessments and expert consensus to ensure that individuals who truly need support receive it. Accurate diagnosis is essential to ensuring the right care and treatment for all individuals. 

Visit providers like ADHD Certify for personal consultations and expert guidance tailored to your unique situation. 

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to Overdiagnosis vs. Underdiagnosis in ADHD.  

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Avery Lombardi, MSc, author for my patient advice - mypatientadvice.co.uk

Avery Lombardi, MSc

Author

Avery Lombardi is a clinical psychologist with a Master’s in Clinical Psychology and a Bachelor’s in Psychology. She has professional experience in psychological assessment, evidence-based therapy, and research, working with both child and adult populations. Avery has provided clinical services in hospital, educational, and community settings, delivering interventions such as CBT, DBT, and tailored treatment plans for conditions including anxiety, depression, and developmental disorders. She has also contributed to research on self-stigma, self-esteem, and medication adherence in psychotic patients, and has created educational content on ADHD, treatment options, and daily coping strategies.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the author's privacy. 

Dr. Rebecca Fernandez, MBBS, author and a reviewer for my patient advice - mypatientadvice.co.uk

Dr. Rebecca Fernandez, MBBS

Reviewer

Dr. Rebecca Fernandez is a UK-trained physician with an MBBS and experience in general surgery, cardiology, internal medicine, gynecology, intensive care, and emergency medicine. She has managed critically ill patients, stabilised acute trauma cases, and provided comprehensive inpatient and outpatient care. In psychiatry, Dr. Fernandez has worked with psychotic, mood, anxiety, and substance use disorders, applying evidence-based approaches such as CBT, ACT, and mindfulness-based therapies. Her skills span patient assessment, treatment planning, and the integration of digital health solutions to support mental well-being.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the reviewer's privacy. 

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