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Can Untreated ADHD Lead to Depression? 

PostedOctober 16, 2025
UpdatedOctober 16, 2025
ByMy Patient Advice
Author: Phoebe Carter, MSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

Yes, untreated ADHD depression is a well-documented risk. When ADHD goes unrecognised or unmanaged, its daily consequences can pile up: missed deadlines, strained relationships, constant self-criticism. Over time, this chronic frustration can wear down self-esteem and lead to depression. 

Discover if you have ADHD

How Untreated ADHD Impacts Mental Health 

Living with ADHD without support means facing frequent setbacks despite genuine effort. The mismatch between potential and performance, often misunderstood as laziness, can lead to isolation, shame, and a persistent sense of failure. These are more than just bad days; they’re warning signs of deeper mental health risks ADHD poses if left unaddressed. 

Here are a few key ADHD consequences that may contribute to depression: 

Chronic underachievement:  

Despite intelligence or creativity, tasks feel harder than they should, leading to a sense of falling behind. 

Relationship strain: 

Missed cues, forgetfulness, or emotional reactivity can damage personal and professional relationships. 

Burnout and exhaustion:  

Constantly trying to “mask” or catch up is mentally draining and unsustainable. 

Low self-worth:  

Years of being mislabelled or misunderstood can erode confidence and create a negative self-image. 

The good news? With proper diagnosis and tailored interventions, like medication, therapy, or coaching, both ADHD and its emotional fallout can be managed. Addressing untreated ADHD depression early is not just about symptom relief; it’s about reclaiming quality of life. 

Visit providers like ADHD Certify for personal consultations to better understand how brain imaging can inform ADHD treatment.  

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to ADHD misconceptions.  

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Phoebe Carter, MSc
Author

Phoebe Carter is a clinical psychologist with a Master’s in Clinical Psychology and a Bachelor’s in Applied Psychology. She has experience working with both children and adults, conducting psychological assessments, developing individualized treatment plans, and delivering evidence-based therapies. Phoebe specialises in neurodevelopmental conditions such as autism spectrum disorder (ASD), ADHD, and learning disabilities, as well as mood, anxiety, psychotic, and personality disorders. She is skilled in CBT, behaviour modification, ABA, and motivational interviewing, and is dedicated to providing compassionate, evidence-based mental health care to individuals of all ages.

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.