
Health Dictionary
Reliable, easy-to-read patient information on common medical conditions β written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Attention-deficit hyperactivity disorder differential diagnosis
Introduction

Overview
Overview
ADHD must be differentiated from other diseases that cause behavioral issues and anxiety such as anxiety disorder, dissociative disorder, conduct disorder, and oppositional defiant disorder. ADHD must also be differentiated from the other psychiatric disorders with which it shares common genetic roots, including autism, bipolar disorder, major depression, and schizophrenia.[1]
Differential Diagnosis
Differential Diagnosis
ADHD must be differentiated from:[1][2]
- Anxiety disorders
- Autism spectrum disorder
- Childhood bipolar disorder
- Childhood depression
- Conduct disorder
- Disruptive mood dysregulation disorder
- Intellectual disability
- Intermittent explosive disorder
- Learning disorder
- Neurodevelopmental disorders (e.g., autism)
- Neuroendocrine abnormality (e.g., hyperthyroidism)
- Oppositional defiant disorder
- Physical abuse or neglect
- Reactive attachment disorder
- Schizophrenia
- Substance use disorder
References
References
- β 1.0 1.1 Cross-Disorder Group of the Psychiatric Genomics Consortium. (2013). Identification of risk loci with shared effects on five major psychiatric disorders: a genome-wide analysis. Lancet, 381(9875), 1371β1379. http://doi.org/10.1016/S0140-6736(12)62129-1.
- β Diagnostic and statistical manual of mental disordersΒ : DSM-5. Washington, D.C: American Psychiatric Association. 2013. ISBNΒ 0890425558.
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Charmaine Patel, M.D. [2], Kiran Singh, M.D. [3], Haleigh Williams, B.S.
