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How can you differentiate between ADHD and depression in adults? 

ADHD vs depression in adults can be difficult to distinguish, as the symptoms of both conditions overlap in several ways. Adult ADHD and depression may be manifested in signs like having trouble in concentrating, poor motivation, and irritability.  

ADHD vs Depression: Key Differences 

 Understanding the key differences in symptoms and how they affect daily life can help in differentiating between these two conditions. 

ADHD Symptoms 

ADHD in adults is primarily characterised by inattention, impulsivity, and restlessness. Individuals with ADHD often have chronic difficulties with time management, staying organised, and maintaining focus on tasks. They may become easily distracted, forgetful, and struggle with prioritising responsibilities. These symptoms are typically present from childhood and persist throughout adulthood, regardless of mood. 

People with ADHD may also experience a constant sense of being “on the go,” feeling restless even during calm situations. The impulsivity associated with ADHD may lead to spontaneous decisions or actions without considering the consequences. 

Depression Symptoms 

Depression, on the other hand, belongs to the category of mood disorders and involves more profound mood changes, including persistent sadness, loss of interest in activities, and a lack of energy. Adults with depression often experience feelings of hopelessness or worthlessness, which can make them disengage from tasks or social activities. Unlike ADHD, depression can significantly affect motivation and make even simple tasks feel overwhelming. 

One key differentiation is that depression is often accompanied by physical symptoms such as sleep disturbances and changes in appetite, whereas ADHD-related difficulties tend to be more related to attention and organisational challenges. 

In conclusion, while ADHD vs depression shares some overlapping symptoms like concentration issues and irritability, the primary difference lies in mood and behavioural patterns. ADHD is marked by chronic attention issues and impulsivity, while depression is more about persistent sadness and lack of motivation. Recognising these distinctions is essential for effective treatment. 

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 Differential Diagnosis of 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.