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Are Quiet Children Misdiagnosed with Inattentive ADHD? 

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

Inattentive ADHD is often characterised by distractibility, difficulty focusing, and forgetfulness. However, children with this subtype might not exhibit the hyperactive or disruptive behaviours typically associated with ADHD, which can make diagnosis more challenging. This can lead to the misdiagnosis of quiet children who may display internalising symptoms, such as daydreaming or withdrawn behaviour, rather than externalising hyperactivity. 

The Internalising Presentation of ADHD 

Quiet children often have an internalising presentation of ADHD, where symptoms are less outwardly visible but still significantly impact their ability to function. These children may struggle with attention regulation and executive function, but do not disrupt the classroom or social environment in obvious ways. Instead, they may appear to be daydreaming, disengaged, or “too quiet.” This can cause their symptoms to go unnoticed or be misunderstood as laziness, shyness, or a lack of motivation. 

Teachers and parents may not recognise the signs of inattentive ADHD because the child’s behaviour is quieter and less disruptive than more stereotypical ADHD symptoms. As a result, the child may be misdiagnosed with other issues like anxiety or depression or simply overlooked altogether. 

Hidden Symptoms and Misdiagnosis 

Since inattentive ADHD can involve hidden symptoms, such as difficulty retrieving data, organising tasks, or remembering instructions, quiet children often internalise their struggles. This internalisation can lead to emotional distress, which is sometimes mistaken for other conditions, such as anxiety or learning disabilities. Without proper recognition of the ADHD symptoms, these children may receive incorrect or delayed treatment. 

Conclusion 

Quiet children with inattentive ADHD are at risk of misdiagnosis due to the subtle nature of their symptoms. Early intervention is key to ensuring accurate diagnosis and appropriate support for their unique challenges. 

Visit providers like ADHD Certify for personal consultations to understand the internalising presentation of inattentive ADHD.

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

Victoria Rowe, MSc, author for my patient advice - mypatientadvice.co.uk
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, 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.