Why Do General Practitioners Overdiagnose ADHD?

PostedOctober 10, 2025

UpdatedOctober 14, 2025

ByMy Patient Advice

Author: Victoria Rowe, MSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

GP overdiagnosis of ADHD is a growing concern, as general practitioners (GPs) may sometimes mistakenly diagnose ADHD, leading to inappropriate treatment. ADHD is a complex neurodevelopmental disorder with overlapping symptoms, which can make an accurate diagnosis challenging. Several factors contribute to this issue, including primary care pressures and a lack of time for in-depth evaluations, which can result in diagnostic error.

GPs are often the first point of contact for parents or individuals seeking help for attention or behavioural issues. While they are well-placed to identify potential signs of ADHD, the demands of a busy practice can make it difficult to conduct the thorough, multi-faceted assessments required for an accurate diagnosis. As a result, symptoms of ADHD may be misinterpreted or attributed to other conditions, leading to overdiagnosis.

Reasons GPs May Overdiagnose ADHD

Time Constraints and Limited Resources

GPs often have limited time to spend with each patient, especially in busy practices. With the pressures of diagnosing and treating multiple conditions within short consultation periods, there may be insufficient time to perform a comprehensive assessment for ADHD. Without a detailed history, behavioural rating scales, or input from teachers or caregivers, GPs might diagnose ADHD based on limited information.

Rising Demand for ADHD Treatment

There has been increasing awareness of ADHD in recent years, which may create a demand for medication or interventions. This rising demand can sometimes pressure GPs into making a quick diagnosis to address patient concerns, even when a more thorough evaluation is needed.

Symptom Overlap with Other Conditions

Many conditions, such as anxiety, depression, or sleep disorders, share symptoms with ADHD. Without a detailed assessment, GPs may misdiagnose these conditions as ADHD, as they might appear similar on the surface.

To avoid diagnostic error, a comprehensive evaluation involving specialists in ADHD diagnosis, such as psychologists or paediatricians, is recommended. This ensures an accurate diagnosis and appropriate treatment.

For a deeper dive into ADHD diagnosis and treatment, read our complete guide to Mislabelling Behavioral Issues as ADHD

Victoria Rowe, MSc

Author

Victoria Rowe is a health psychologist with a Master’s in Health Psychology and a BS in Applied Psychology. She has experience as a school psychologist, conducting behavioural assessments, developing individualized education plans (IEPs), and supporting children’s mental health. Dr. Rowe has contributed to peer-reviewed research on mental health, including studies on anxiety disorders and the impact of COVID-19 on healthcare systems. Skilled in SPSS, Minitab, and academic writing, she is committed to advancing psychological knowledge and promoting well-being through evidence-based practice.

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.