Parents and clinicians often ask:
Is my child anxious? ADHD? Both?

And sometimes the more accurate answer is: yes — and it's complicated.

Anxiety and ADHD frequently overlap in children, especially in younger ones. But the relationship isn't just comorbidity. In many cases, there are developmental, neurological, and emotional pathways connecting the two.

This is an area where clinical understanding is evolving — and where the DSM may eventually catch up.

Let's walk through what we know.

ADHD and Anxiety: Comorbid or Causal?

The short answer: Both are possible.

There are at least three common pathways where ADHD and anxiety overlap.

Pathway 1: ADHD Leads to Anxiety (Very Common)

This is probably the most common developmental pattern.

A child with ADHD may:

• Miss instructions

• Get corrected frequently

• Forget things

• Struggle socially

• Feel "in trouble" often

• Fall behind academically

Over time, this creates:

• Chronic stress

• Low confidence

• Fear of failure

• Avoidance

• Generalized anxiety

This is sometimes called secondary anxiety — anxiety that develops as a result of ADHD struggles.

You might see:

• Perfectionism

• "I don't want to get it wrong"

• Avoidance of schoolwork

• Somatic complaints (stomach aches, headaches)

• Increased emotional sensitivity

This pattern is especially common in:

• Inattentive ADHD

• Girls

• Highly sensitive children

• Bright kids who are aware of their struggles

These children often become anxious about disappointing others.

Pathway 2: Anxiety Creates ADHD-Like Symptoms

This is where things get confusing.

Severe anxiety impairs executive functioning, including:

• Attention

• Working memory

• Processing speed

• Task initiation

When the brain is focused on threat detection, executive functioning decreases. The child's mind is busy worrying, scanning, or anticipating.

This can look like:

• Inattention

• Forgetfulness

• Avoidance

• Slow work completion

• "Not listening"

• Difficulty starting tasks

But the underlying issue is anxiety, not ADHD.

In other words:
The child isn't distracted because they're bored — they're distracted because they're worried.

Pathway 3: Shared Neurobiology

Research increasingly suggests that ADHD and anxiety share overlapping neurological features:

• Executive function differences

• Emotional regulation challenges

• Increased amygdala reactivity

• Differences in frontostriatal circuits

Some researchers propose that ADHD may neurologically predispose children to anxiety, not just psychologically.

This helps explain why:

• ADHD and anxiety frequently occur together

• Emotional dysregulation is common in ADHD

• Some children develop both early

Emotion Dysregulation and ADHD: The DSM Gap

One of the biggest debates in ADHD right now is emotion dysregulation.

Emotion dysregulation is:

• Not included in DSM ADHD criteria

• But widely recognized clinically

Many clinicians see emotional dysregulation as central to ADHD, not just an associated feature.

This may include:

• Frustration intolerance

• Emotional impulsivity

• Rapid mood shifts

• Meltdowns

• Rejection sensitivity

• Low distress tolerance

Russell Barkley and others have argued that ADHD is fundamentally a self-regulation disorder, not just an attention disorder.

This would include:

• Attention regulation

• Behavioral regulation

• Emotional regulation

So why isn't it in the DSM?

There are a few reasons:

1. Diagnostic overlap (with bipolar, anxiety, DMDD, etc.)

2. Measurement challenges

3. The DSM tends to be conservative and slow to change

However, many clinicians already conceptualize ADHD as a self-regulation disorder that includes emotional regulation.

When Severe Anxiety Looks Like ADHD

This is especially important in young children.

Severe anxiety can look like ADHD, including:

• Difficulty focusing

• Forgetfulness

• Restlessness

• Task avoidance

• Slow completion

But the pattern is different.

Clues That It May Be Anxiety Instead of ADHD

1. Situational variability
Anxiety often:

• Worsens in school

• Worsens with performance demands

• Improves when relaxed

ADHD is usually consistent across settings.

2. Overcontrol vs. Undercontrol

ADHD:

• Impulsive

• Fast but sloppy

• Careless mistakes

Anxiety:

• Slow

• Perfectionistic

• Hesitant

• Avoidant

3. Cognitive "Freezing"

Anxious children may:

• Go blank

• Say "I don't know"

• Shut down

• Become overwhelmed

This can look like inattention.

4. Somatic Symptoms

More common in anxiety:

• Stomach aches

• Headaches

• Sleep issues

• School refusal

5. Later Onset

If attention problems begin after stress or life changes, consider anxiety.

ADHD symptoms typically begin early in childhood, often in preschool.

When It's Both

Many children genuinely have both ADHD and anxiety.

These children may:

• Be impulsive and worried

• Show emotional dysregulation

• Avoid tasks but also struggle to organize

• Experience both frustration and fear

These are often the most complex children — and also the ones who benefit most from careful assessment.

Sometimes:

• Treating ADHD reduces anxiety

• Treating anxiety improves attention

Both pathways can be true.

Anxiety in Young Children Can Look Like Hyperactivity

This is another important point.

Young children with anxiety often appear:

• Restless

• Irritable

• Hyperactive

• Emotionally reactive

So anxiety can sometimes look like hyperactive ADHD, not just inattentive ADHD.

This is especially true in:

• Sensitive children

• Children with trauma exposure

• Children with sensory sensitivities

A Helpful Clinical Question

Ask yourself:

Is the child distracted because their brain is bored?
(ADHD)

Or distracted because their brain is worried?
(Anxiety)

Often, the answer is:
Both.

Where the Field Is Heading

Many clinicians now view ADHD as:

• A self-regulation disorder

• Involving attention, behavior, and emotion

As research evolves, we may see:

• Greater recognition of emotional dysregulation

• Better differentiation between anxiety and ADHD

• More nuanced diagnostic models

Until then, thoughtful clinical observation remains essential.

Final Thought

When children struggle with attention, it's important not to assume ADHD immediately — or dismiss ADHD when anxiety is present.

The overlap between anxiety and ADHD is common, complex, and clinically meaningful.

And understanding that overlap can lead to better support, better interventions, and better outcomes for children.

• Medications
• Medication Alternatives