Can Untreated ADHD Lead to Depression Over Time?

PostedSeptember 2, 2025

UpdatedSeptember 8, 2025

ByMy Patient Advice

Author: Harriet Winslow, BSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

Untreated ADHD can significantly increase the risk of untreated ADHD leading to depression over time. The challenges of managing symptoms without proper treatment can lead to frustration, low self-esteem and chronic stress, all of which can contribute to depressive feelings. As the symptoms of ADHD worsen without intervention, they may further disrupt daily life, relationships and work, making individuals more vulnerable to developing mental health issues like depression.

The symptom progression of ADHD, if left unmanaged, can worsen over time. Individuals may experience increasing difficulties with concentration, organisation and impulse control. These issues can cause feelings of failure, social rejection and isolation, which are strong risk factors for depression. The emotional toll of constantly struggling to meet expectations without proper support can also have a negative impact on mental health outcomes.

How Untreated ADHD Affects Mental Health

Escalating frustration

Ongoing challenges without relief may cause mounting frustration, which can lead to feelings of hopelessness and depression.

Low self-esteem

Persistent difficulties with focus and organisation can erode self-confidence, contributing to a negative self-image and depression.

Chronic stress

The inability to cope with ADHD symptoms can result in long-term stress, a key factor in developing depression.

Untreated ADHD leading to depression highlights the importance of early diagnosis and treatment. Addressing ADHD symptoms through therapy, medication or lifestyle changes can significantly improve mental health and prevent further complications.

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 Depression.

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

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.