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What Role Does Family History Play in ADHD Risk Per DSM-5? 

According to the DSM-5, ADHD family history plays a significant role in the risk of developing ADHD. The presence of ADHD in family members, especially parents or siblings, increases the likelihood that a child will be diagnosed with the disorder. Genetic influence is a key factor in understanding ADHD, as research has shown that ADHD tends to run in families, suggesting an inherited predisposition. 

The DSM-5 highlights that certain inherited traits contribute to ADHD. Variations in genes that affect neurotransmitter systems, particularly dopamine, have been identified as factors that may increase ADHD risk. A family history of ADHD may indicate similar genetic pathways or brain structure abnormalities, which can influence attention, impulse control, and executive function in the individual. 

Additionally, a family ADHD diagnosis often means that relatives may also exhibit signs of ADHD, whether formally diagnosed or not. This reinforces the genetic connection to the disorder, and clinicians take this into account when evaluating patients. 

How It Helps 

Recognising the influence of ADHD family history allows clinicians to better assess the risk of ADHD in patients, especially when there is a known familial pattern. Understanding genetic influence helps guide the diagnostic process and ensures that family history is considered when creating an appropriate treatment plan. 

Visit providers like ADHD Certify for personal consultations and expert advice tailored to your needs.   

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to DSM-5 Diagnostic Guidelines.  

Harriet Winslow, BSc - My patient advice author - mypatientadvice.co.uk

Harriet Winslow, BSc

Author

Harriet Winslow is a clinical psychologist with a Bachelor’s in Clinical Psychology and extensive experience in behaviour therapy and developmental disorders. She has worked with children and adolescents with ADHD, autism spectrum disorder (ASD), learning disabilities, and behavioural challenges, providing individual and group therapy using evidence-based approaches such as CBT and DBT. Dr. Winslow has developed and implemented personalised treatment plans, conducted formal and informal assessments, and delivered crisis intervention for clients in need of urgent mental health care. Her expertise spans assessment, treatment planning, and behavioural intervention for both neurodevelopmental and mental health conditions.

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.