Clinicians

ADHD and Comorbid Anxiety: Sequencing Treatment in Counseling

September 12, 2026 · 7 min read

Last updated September 12, 2026

Roughly a quarter to a half of adults with ADHD meet criteria for an anxiety disorder, and the combination is harder to treat than either alone. The anxiety is often partly caused by the ADHD: decades of missed deadlines and social misfires produce a person who is always braced for the next failure. And the ADHD is worsened by the anxiety, because worry occupies the working memory the client had little of to begin with. Counselors see these clients constantly and often treat the presenting complaint, usually anxiety, without noticing that the engine underneath is attentional. Here is how I sequence it.

Get the diagnosis right first

Before sequencing, be sure both are present. Anxiety alone produces inattention, restlessness, and poor task completion; it can look like ADHD on a rating scale. ADHD alone produces chronic stress that a client may label anxiety. The distinguishing features: ADHD symptoms predate the anxiety and are present in low-stress periods; anxiety symptoms track worry content and stressors. The differential checklist covers this in detail. When both are clearly present, proceed.

Which to treat first

The usual answer is: the one that is more impairing or more dangerous now, then the other. In practice, for most adults with both, addressing the ADHD first or concurrently produces faster relief, because much of the anxiety is realistic, secondary anxiety about the consequences of untreated ADHD. When the client starts finishing work, arriving on time, and losing fewer things, the anticipatory dread drops without ever being targeted. The exception is panic disorder or severe generalized anxiety that prevents the client from engaging in any structured work at all; that has to come down first. Stimulant medication can increase anxiety in some clients, so coordinate closely with the prescriber and consider starting at low doses or with a non-stimulant if anxiety is prominent.

Adapting CBT for anxiety to an ADHD brain

Standard CBT for anxiety assumes a client who can complete thought records between sessions, remember the model from week to week, and sit with exposure exercises. The ADHD client will lose the worksheet, forget the model, and abandon the exposure hierarchy after two steps. Adapt: shorten sessions or break them into two focused segments with a movement break; do the thought record in session together rather than assigning it; use a single card with the three-step model rather than a workbook; make exposures brief, frequent, and scheduled by phone alarm rather than left to initiative; and review the previous session for five minutes at the start of each one because the client will not remember it. These are not dilutions of the treatment. Safren’s CBT for adult ADHD is built on exactly these adaptations and outperforms standard approaches with this population.

Target the ADHD skills that feed the anxiety

Three ADHD deficits generate most secondary anxiety: time blindness (constant lateness and last-minute panic), working memory failures (forgotten commitments and the dread of discovering them), and emotional impulsivity (things said and regretted). Skills work on each has a direct anxiolytic effect. Externalized time (visible clocks, alarms, backward planning), an externalized memory system the client actually uses, and a delay rule for emotionally loaded communication reduce the number of real failures, which reduces the realistic component of the worry. Then the CBT can work on the remaining, distorted component.

Watch for the anxiety that ADHD treatment unmasks

Some clients, once the ADHD is treated and the chaos recedes, become more anxious for a period, not less. The noise was masking a longer-standing anxiety, or the person now has enough attention to notice what they were avoiding. This is not a treatment failure. Name it, and shift the emphasis toward the anxiety work at that point. Conversely, some clients’ anxiety resolves so completely with ADHD treatment that the second diagnosis was probably never independent. Reassess at three months rather than assuming the initial picture holds.

Coordination with the prescriber

Send the prescriber a one-paragraph summary of your formulation: which symptoms you believe are ADHD, which are anxiety, which you believe are secondary, and your sequencing recommendation. Ask to be told about medication changes so you can watch for anxiety spikes with stimulant titration. Most prescribers welcome this, because they are making the same judgment with far less information.

The bottom line

Confirm both diagnoses. Treat the ADHD first or concurrently unless anxiety is severe enough to block all structured work. Adapt CBT for a brain that cannot hold the model or the homework, target the three ADHD deficits that generate secondary anxiety, reassess at three months, and keep the prescriber informed. The two conditions interact, so the treatment has to.