ADHD Testing

ADHD or Anxiety? How to Tell the Difference

"I can't focus, I can't sit still, and my mind won't stop racing." That single sentence could describe ADHD. It could describe anxiety. It could describe both at once. This overlap is one of the most common reasons people end up misdiagnosed, mistreated, or simply confused about what's actually going on — and it's one of the most frequent questions we get asked before an evaluation.

Why they look so similar

ADHD and anxiety share a surprising number of surface-level symptoms: restlessness, trouble concentrating, procrastination, difficulty completing tasks, and a mind that feels like it's constantly moving. From the outside, and often from the inside too, it can be genuinely hard to tell which one you're looking at — especially because they frequently occur together. It's estimated that a significant portion of people with ADHD also meet criteria for an anxiety disorder.

Where they actually differ

The distinctions are subtle but important, and they usually come down to what's driving the symptom rather than the symptom itself.

• The nature of the distraction. ADHD distraction often comes from difficulty regulating attention itself — the brain drifts toward whatever is more stimulating in the moment, without necessarily any worry attached. Anxious distraction usually comes from intrusive, worried thoughts pulling focus away from the task at hand.
• What happens when the pressure is off. Someone with anxiety alone often focuses fine on low-stakes tasks; the trouble shows up specifically around worry-triggering situations. Someone with ADHD alone can struggle to focus on both high- and low-stakes tasks, especially unstimulating ones, regardless of anxiety.
• The developmental history. ADHD symptoms have to trace back to childhood to meet full diagnostic criteria. Anxiety can develop or intensify at any point in life, often tied to specific stressors or life stages.
• The physical experience. Anxiety often comes with physical symptoms — racing heart, muscle tension, stomach upset — that aren't inherent to ADHD on its own, though they can develop secondarily from ADHD-related stress.
• Restlessness with a "why." Anxious restlessness usually has a target: a specific worry driving the agitation. ADHD-related restlessness or fidgeting often exists independent of any particular concern.

When they're actually both true

It's genuinely common for ADHD and anxiety to coexist — and for one to feed the other. Years of missed deadlines, forgotten commitments, and feeling perpetually behind can produce real anxiety in someone with unmanaged ADHD, even if anxiety wasn't the original issue. On the flip side, chronic anxiety can look like inattention because a worried mind struggles to concentrate on anything else. This is part of why adult ADHD is so often missed — the anxiety gets treated while the underlying ADHD goes unaddressed, or vice versa.

Why getting the distinction right matters

Treatment approaches for ADHD and anxiety aren't interchangeable. Anxiety often responds well to therapies that address worry patterns and nervous system regulation. ADHD typically benefits from strategies that support executive functioning, structure, and — for many people — medication management. If only one condition is identified and treated while the other goes unaddressed, symptoms tend to persist or partially improve at best, which can be discouraging and confusing for someone who's genuinely trying to get better.

How an evaluation sorts it out

A thorough ADHD evaluation doesn't just screen for ADHD in isolation — it looks at your full clinical picture, including anxiety symptoms, developmental history, and current functioning, to determine what's actually driving your experience. If you're curious what that process looks like, we walk through it step by step in ADHD Testing: What to Expect From Assessment to Results.

You don't have to figure out which one it is on your own before reaching out. Contact us for a free consultation and we can talk through what you're experiencing and whether testing makes sense.

Frequently Asked Questions

Can you have both ADHD and anxiety at the same time?

Yes, ADHD and anxiety commonly occur together. Research suggests roughly a third to a half of people with ADHD also experience a co-occurring anxiety disorder, and living with unmanaged ADHD symptoms for years can itself generate real anxiety.

What is the main difference between ADHD-related distraction and anxious distraction?

ADHD-related distraction usually comes from difficulty regulating attention itself, often toward something more interesting in the moment, and isn't necessarily accompanied by worry. Anxious distraction usually comes from intrusive, worried thoughts pulling focus away, and tends to ease once the underlying worry is addressed.

How can I find out whether I have ADHD, anxiety, or both?

A comprehensive evaluation that includes both ADHD-specific testing and a clinical assessment of anxiety symptoms is the most reliable way to sort out which condition, or combination of conditions, is driving your symptoms.