ADHD Self-Assessment – Free Online ADHD Symptom Checker
Clinical Screening Tool
ADHD Self-Assessment

A structured symptom screening based on DSM‑5 criteria and the Adult ADHD Self-Report Scale. 21 questions — takes about 4 minutes.

Important: This tool is a screening aid only — it is not a clinical diagnosis. Only a qualified healthcare professional (psychiatrist, psychologist, or trained GP) can diagnose ADHD. Your results are for personal reflection and to help you have an informed conversation with a professional.
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Step 1 of 5 — About You
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Step 1 — About You
Tell us a little about yourself
This helps us contextualise your results accurately. ADHD presents differently across ages and genders.
⚠ Please fill in your age and select your gender to continue.
Step 2 — Inattention Symptoms
Attention & Focus
How often do you experience the following? Rate each based on your typical experience over the past 6 months.
⚠ Please answer all questions in this section before continuing.
Step 3 — Hyperactivity & Impulsivity
Energy, Restlessness & Impulse Control
Rate each based on your typical experience over the past 6 months.
⚠ Please answer all questions in this section before continuing.
Step 4 — Executive Function & Emotional Regulation
Daily Life & Emotional Impact
ADHD often affects emotional regulation and daily functioning. Rate each over the past 6 months.
⚠ Please answer all questions in this section before continuing.
Step 5 — Functional Impact
How Much Does This Affect Your Life?
DSM-5 requires that symptoms cause impairment in at least two settings. Rate how much your experiences affect you.
⚠ Please answer all questions before viewing your results.
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/ 84
Screening Result
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Inattention
out of 36
Hyperactivity
out of 36
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Executive Fn.
out of 36
📌 Recommended Next Steps
ⓘ Clinical Disclaimer: This screening tool is based on DSM-5 symptom criteria and the Adult ADHD Self-Report Scale (ASRS-v1.1). It is designed to help you recognise potential symptoms and facilitate a conversation with a healthcare professional — it is not a diagnostic tool. ADHD can only be formally diagnosed by a qualified clinician following a comprehensive evaluation. Many conditions share symptoms with ADHD; professional assessment is essential for accurate diagnosis and appropriate treatment.
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