Why do I worry more when I have ADHD?

PostedNovember 19, 2025

UpdatedNovember 21, 2025

ByMy Patient Advice

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

People with attention deficit hyperactivity disorder (ADHD) often report higher levels of worry, overthinking, and emotional tension. This isn’t simply a personality trait. It’s connected to how ADHD affects the brain’s ability to manage thoughts, emotions, and attention. According to NICE guidance and NHS advice, difficulties with executive functioning and emotional regulation make it harder for people with ADHD to switch off from anxious or self-critical thoughts.

Understanding why worry feels stronger in ADHD

Research shows that anxiety and chronic worry affect up to half of people diagnosed with ADHD (PubMed, 2025). For many, this worry develops as a response to daily challenges such as missed deadlines, forgetfulness, or social misunderstandings. Over time, this can lead to what experts call secondary anxiety that grows out of the real-world consequences of ADHD symptoms. Studies from the Royal College of Psychiatrists also highlight that people with ADHD often experience heightened sensitivity to criticism or rejection, which can fuel cycles of rumination and worry.

The role of executive dysfunction and emotional regulation

Executive dysfunction makes it difficult for individuals with ADHD to prioritise, plan, or let go of small mistakes. This leads to ongoing mental “replays” and over-analysis. Emotional dysregulation, another core ADHD feature, amplifies stress responses, making it harder to calm down once worry starts. Research from The Lancet Psychiatry and BMJ Best Practice links this pattern to differences in how brain regions responsible for self-control and emotional processing communicate.

Medication and coexisting anxiety

For some, stimulant medication can temporarily increase physical feelings of anxiety, such as restlessness or a racing heart. However, when dosed correctly and reviewed regularly, medication can improve attention and reduce worry by strengthening cognitive control. NICE recommends ongoing reviews to ensure medication and therapy remain balanced and supportive of emotional wellbeing (NICE NG87 recommendations).

Managing ADHD-related worry

NICE and NHS guidance suggest a combination of approaches for managing excessive worry in ADHD. Cognitive behavioural therapy (CBT) tailored for ADHD helps individuals build emotional regulation and executive functioning skills. Mindfulness and organisational strategies also reduce the mental load that fuels rumination. Psychoeducation, sleep support, and regular medication reviews further help to manage ongoing worry and prevent burnout.

Key takeaway

Worry is common in ADHD because of how the condition affects focus, memory, and emotional control. Recognising that these anxious thoughts often stem from ADHD’s cognitive features, rather than weakness or personality – can be empowering. With structured therapy, supportive medication plans, and compassionate self-management, most people find their worry becomes far more manageable over time.

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.