Can Alcohol Misuse Present ADHD-Like Behaviour?

PostedSeptember 11, 2025

UpdatedSeptember 11, 2025

ByMy Patient Advice

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

Alcohol misuse vs ADHD behaviour is a distinction that can often be difficult to make, as both can result in similar symptoms such as executive function issues, memory lapses, and behavioural overlap. However, the causes and long-term effects of these behaviours are quite different. It is important to understand how alcohol misuse can sometimes mimic ADHD-like behaviour.

Alcohol misuse can impair cognitive functions, particularly memory, attention, and decision-making. Executive function issues are common in both alcohol misuse and ADHD, as both conditions can lead to difficulties with planning, organising, and self-control. However, while ADHD is a neurodevelopmental disorder, alcohol misuse vs ADHD behaviour is primarily caused by the negative impact of alcohol on the brain’s function. Over time, alcohol misuse can also lead to memory problems and difficulties with concentration, which may resemble ADHD.

Common Symptoms: Alcohol Misuse vs ADHD Behaviour

Executive Function Issues

Both alcohol misuse vs ADHD behaviour can result in executive function issues such as poor impulse control and difficulty organising thoughts. In alcohol misuse, these problems are directly related to the effects of alcohol on the brain, while in ADHD, they are part of a long-standing pattern of inattention and impulsivity.

Memory Lapses

Memory lapses are common in both alcohol misuse and ADHD. However, in alcohol misuse, these lapses are typically due to the effects of intoxication or long-term alcohol-related brain changes, whereas ADHD-related memory issues are more consistent and linked to attention difficulties.

Behavioural Overlap

Behavioural overlap such as impulsivity, irritability, and difficulty concentrating can occur in both alcohol misuse and ADHD. However, in alcohol misuse, these behaviours are often triggered or worsened by alcohol consumption, whereas in ADHD, they are persistent regardless of external factors.

Recognising the differences between alcohol misuse vs ADHD behaviour is crucial for ensuring proper diagnosis and 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

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.