Common Comorbidities in Comorbid Complex ADHD:
Prevalence, Age of Onset, Diagnosis, and Clinical Implications
Andrew J. Cutler, MD
Associate Clinical Professor
Department of Psychiatry
SUNY Upstate Medical University
Syracuse, New York
Majority of People With ADHD Have at Least One Comorbidity1
Potential Explanations for Comorbidities in ADHD2,3
Comorbidity Profiles Change With Age2,4-7
Overlapping Symptoms of ADHD and Comorbidities11
Differentiating Depression From ADHD2
To differentiate ADHD from depression, it is necessary to identify which symptoms of depression overlap with ADHD and which are distinct. Overlapping symptoms include loss of motivation, problems concentrating, and restlessness or irritability. If patients have any of these symptoms, it could be ADHD, depression, or both.2
Symptoms of depression that overlap with symptoms of ADHD
Characteristics of depression that are distinct from ADHD
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