ADHD or Anxiety? Understanding the Differences, Similarities, and the "Comorbidity Connection"

Distinguishing between ADHD and Anxiety can be challenging due to overlapping symptoms like restlessness and lack of focus. Learn the key clinical differences.

By: AXL Media

Published: Feb 26, 2026, 6:48 AM EST

Source: Health

The Overlap: Why They Are Frequently Confused

The confusion between ADHD and Anxiety often stems from shared behavioral markers. A person with ADHD might struggle to focus because their brain is constantly seeking new stimulation, while a person with anxiety may struggle to focus because they are preoccupied with "what-if" scenarios or intrusive worries.

Restlessness: In ADHD, this is often physical hyperactivity or a "driven by a motor" feeling. In Anxiety, it is more often a result of nervous tension.

Executive Dysfunction: Both conditions can make it hard to start tasks, organize thoughts, or manage time effectively.

Social Challenges: ADHD may lead to social slip-ups due to impulsivity, while Anxiety may lead to social avoidance due to fear of judgment.

Key Clinical Differences