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What Screening Tools Check for Both ADHD and Autism? 

When it comes to diagnosing ADHD and autism, using the right ADHD autism screening tools is crucial for obtaining an accurate diagnosis. Since both ADHD and autism share overlapping symptoms, like inattention, impulsivity, and social difficulties, using specialised Autism assessment and ADHD tools together ensures that both conditions are properly evaluated. These screening tools help clinicians identify the full range of behaviours that may indicate ADHD, autism, or both. 

Screening for ADHD and autism together requires a multi-faceted approach that takes into account the different aspects of each disorder. By using both standardised questionnaires and observational assessments, clinicians can distinguish between ADHD, autism, or a combination of both. 

Key Screening Tools for ADHD and Autism 

Here are some commonly used ADHD autism screening tools that help clinicians assess both conditions: 

The Autism Diagnostic Observation Schedule (ADOS):  

ADOS is a structured observational tool used to assess social communication and behaviours associated with autism. It helps clinicians evaluate whether an individual shows signs of autism and assists in distinguishing between autism and ADHD symptoms. 

The Conners Comprehensive Behavior Rating Scales: 

The Conners scales are widely used ADHD tools that assess a range of ADHD symptoms, such as inattention, hyperactivity, and impulsivity. These rating scales can also help identify behavioural patterns related to autism, allowing for a comprehensive assessment of both conditions. 

The Childhood Autism Rating Scale (CARS):  

This scale helps clinicians identify autism-specific behaviours in children. Although not specific to ADHD, CARS can be used alongside ADHD tools to assess symptoms that overlap with both ADHD and autism. 

The Social Responsiveness Scale (SRS):  

The SRS is another useful tool for assessing social communication difficulties common in autism. When combined with ADHD-specific assessments, it provides a clearer picture of whether ADHD symptoms are contributing to social challenges or whether autism is the primary cause. 

Parent and Teacher Questionnaires:  

Questionnaires like the Vanderbilt ADHD Rating Scale and Autism Spectrum Quotient (AQ) are often filled out by parents, teachers, or caregivers. These tools assess both ADHD and autism symptoms across different settings, ensuring a holistic evaluation. 

By using these ADHD autism screening tools, clinicians can ensure that both ADHD and autism are identified and managed appropriately, leading to more effective treatment plans. 

Visit providers like ADHD Certify for personal consultations to ensure you get a comprehensive, accurate evaluation for ADHD and autism.

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to Autism Spectrum Disorder.

Victoria Rowe, MSc, author for my patient advice - mypatientadvice.co.uk

Victoria Rowe, MSc

Author

Victoria Rowe is a health psychologist with a Master’s in Health Psychology and a BS in Applied Psychology. She has experience as a school psychologist, conducting behavioural assessments, developing individualized education plans (IEPs), and supporting children’s mental health. Dr. Rowe has contributed to peer-reviewed research on mental health, including studies on anxiety disorders and the impact of COVID-19 on healthcare systems. Skilled in SPSS, Minitab, and academic writing, she is committed to advancing psychological knowledge and promoting well-being through evidence-based practice.

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.