Reference

Anxiety and ADHD

Anxiety and ADHD often overlap and can influence each other in complex ways.
Some people experience both patterns at the same time, while others notice that one set of symptoms contributes to or amplifies the other.

Anxiety Explained note

ADHD and anxiety both affect attention, but in different ways.
On this site, anxiety is understood as a threat-response system, while ADHD relates more to regulation of attention, motivation, and executive function. When both are present, the system may alternate between distraction, overwhelm, and heightened alertness.

What anxiety and ADHD together can feel like

When ADHD and anxiety overlap, the experience may include both cognitive and emotional patterns.

  • Difficulty focusing combined with excessive worry
  • Feeling overwhelmed by tasks or responsibilities
  • Starting tasks but struggling to finish them
  • Racing thoughts or mental clutter
  • Avoidance due to overwhelm or fear of failure
  • Difficulty organizing or prioritizing tasks

How ADHD can contribute to anxiety

Task difficulty and overwhelm

Challenges with organization, planning, or follow-through may increase stress and create pressure over time.
This can contribute to anxiety, especially when expectations are high.

Inconsistent performance

Variability in attention or output may lead to uncertainty about outcomes, which can increase worry and anticipation.

External consequences

Missed deadlines, disorganization, or difficulty completing tasks can create real-world stressors that reinforce anxiety patterns.

How anxiety can affect ADHD symptoms

Increased mental noise

Anxiety often involves persistent thinking or worry, which can make it harder to focus or sustain attention.

Avoidance and task delay

Anxiety may lead to avoidance of tasks perceived as difficult or uncertain, which can overlap with ADHD-related procrastination.

Heightened alertness

Anxiety can increase vigilance and sensitivity, which may temporarily improve focus in some situations but can also lead to exhaustion.

Shared patterns between ADHD and anxiety

  • Difficulty sustaining attention
  • Feeling overwhelmed by multiple demands
  • Challenges with decision-making
  • Difficulty completing tasks efficiently

Despite these overlaps, the underlying mechanisms are different.

Differences between ADHD and anxiety

Primary driver

  • ADHD: regulation of attention and executive function
  • Anxiety: response to perceived threat or uncertainty

Attention patterns

  • ADHD: attention may shift or drift
  • Anxiety: attention may become locked on specific concerns

See body-based vs mind-based anxiety for related distinctions.

Anxiety Explained note

When ADHD and anxiety co-occur, the system may alternate between under-focus and over-focus.
Periods of distraction or low engagement may shift into periods of intense focus driven by anxiety, especially when deadlines or perceived risk increase.

When anxiety and ADHD become more significant

The combination of ADHD and anxiety may become more impactful when it interferes with daily functioning, work, relationships, or overall well-being.

When to consider additional support

It may be helpful to seek support when symptoms are persistent, difficult to manage, or significantly affect functioning.

See anxiety treatment and when to seek help for anxiety.

Related pages on this site

Read More

understanding anxiety,
stress,
uncertainty

Author


Gabrielle McMurphy, LCPC
Licensed Clinical Professional Counselor

Created: April 2026
Last reviewed: April 2026

References

  • American Psychiatric Association DSM-5-TR.
  • National Institute of Mental Health. ADHD and Anxiety.
  • Barkley RA. ADHD research.
  • Harvard Health Publishing. ADHD and Anxiety.