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Has ADHD Overdiagnosis Increased Recently? 

Posted
Updated
ByMy Patient Advice
Author: Avery Lombardi, MSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

With growing public interest in neurodiversity and mental health, it’s natural to wonder: has ADHD overdiagnosis increased recently? While there has been a clear rise in ADHD diagnosis rates, especially among adults, this trend doesn’t automatically point to overdiagnosis. In fact, experts argue that what we’re seeing may be more about rising ADHD awareness than clinical error. 

Historically, many people particularly women and non-binary individuals went undiagnosed due to outdated stereotypes. The recent surge in self-advocacy, social media discussions, and improved clinical tools has led more people to seek answers. Some critics point to this visibility and argue it reflects ADHD overdiagnosis, but the broader view suggests a long-overdue correction. 

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What’s Driving the Numbers? 

Several key factors are contributing to recent ADHD trends here’s what’s changing: 

Increased self-referral  

More adults are recognising symptoms in themselves, thanks to online content and broader ADHD awareness. 

Shifting diagnostic criteria  

Clinicians are better equipped to spot the less “typical” signs of ADHD, especially in adults. 

Cultural spotlight  

TikTok, podcasts, and articles have brought ADHD into everyday conversations, pushing more people to explore a potential diagnosis. 

So, while ADHD diagnosis rates have gone up, that doesn’t necessarily mean more people are being misdiagnosed. It could mean we’re finally catching up to reality. Understanding the difference between visibility and overdiagnosis is key to interpreting current ADHD trends. 

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

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
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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