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How Do Doctors Differentiate Between ADHD and Anxiety? 

Differentiating between ADHD vs anxiety diagnosis can be challenging because both conditions share similar symptoms, such as difficulty concentrating, restlessness, and irritability. However, doctors use a combination of clinical assessments, patient history, and symptom patterns to distinguish between these two conditions. 

Symptom overlap is common between ADHD and anxiety, as both can cause issues with focus and increased tension. However, the root causes of these symptoms differ. ADHD typically involves a chronic pattern of inattention, impulsivity, and hyperactivity that appears early in life, while anxiety symptoms are often linked to specific triggers or heightened worry. Doctors look for these patterns to make a clear diagnostic differentiation. 

For example, a person with ADHD may struggle with focus due to an inability to sustain attention, while someone with anxiety may have difficulty concentrating because of constant worry. Co-occurring anxiety with ADHD is also common, where both disorders are present. In these cases, treatment plans are adapted to address both conditions. 

Common Symptoms 

Inattention 

Both ADHD and anxiety can cause inattention, but ADHD vs anxiety diagnosis hinges on whether the focus issues stem from restlessness and impulsivity (ADHD) or constant worry (anxiety). 

Restlessness 

Hyperactivity in ADHD is often consistent, while in anxiety, restlessness tends to arise from nervous energy. 

Irritability 

While irritability can be seen in both, it’s often linked to impulsivity in ADHD and excessive worry in anxiety. 

By carefully assessing these nuances, doctors can make a more accurate ADHD vs anxiety diagnosis and provide the appropriate treatment. 

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 Rule-outs for other conditions.

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.