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Can Misdiagnosis Harm Children With ADHD? 

Yes, ADHD misdiagnosis leads to children harm is a serious and often underestimated issue. Whether a child is wrongly diagnosed with ADHD or has the condition but is misdiagnosed with something else, the consequences can be long-lasting and deeply damaging. 

When a child is misdiagnosed, they may receive the wrong treatment, including unnecessary medication or inappropriate behavioural interventions. On the other hand, children with undiagnosed ADHD may go without support altogether, struggling silently with school, friendships, and self-esteem. 

How Misdiagnosis Affects Children With ADHD 

Here’s how ADHD misdiagnosis leads to children harm: 

Wrong treatment  

Inaccurate diagnoses can result in medications that do not address the real issue, or cause side effects without benefits. 

Stigma and confusion  

Being labelled incorrectly can affect how children see themselves and how others treat them, reinforcing negative self-beliefs. 

Academic effects  

Without proper support, children may fall behind in school, leading to frustration, anxiety, and long-term learning gaps. 

In conclusion, the goal of diagnosis is not just to name a condition, but to unlock access to tools, understanding, and tailored care. Getting it right matters because misdiagnosis does not just miss the mark, it can set a child back. 

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.  

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.