ADHD or burnout and stress? How to tell a lifelong pattern from overload

Missed deadlines, a mind that will not settle, forgetting what you walked into the room for, feeling too drained to start anything: this is how many adults describe ADHD, and it is also how many describe burnout or months of heavy stress. Because the experiences overlap, people often wonder whether a hard year has "given" them ADHD, or whether ADHD was there all along. This page explains how clinicians approach that question.

What burnout and stress are

The World Health Organization (WHO) includes burn-out in the 11th revision of the International Classification of Diseases (ICD-11) as an occupational phenomenon. WHO states that it is not classified as a medical condition. ICD-11 describes it as a syndrome resulting from chronic workplace stress that has not been successfully managed, with three dimensions:

• feelings of energy depletion or exhaustion
• increased mental distance from one's job, or negativism or cynicism about it
• reduced professional efficacy

WHO adds that the term refers specifically to the work context and should not be used for experiences in other areas of life.

Stress is broader. The National Institute of Mental Health (NIMH) describes stress as the physical or mental response to an external cause, which may be short-term or may repeat over a long time. Stress generally goes away once the situation is resolved. NIMH lists symptoms that both stress and anxiety can cause, including excessive worry, tension, headaches and loss of sleep.

Why burnout can feel like ADHD

Burnout is not only feeling tired. A 2015 review in the Scandinavian Journal of Psychology by researchers at Stockholm University and the Karolinska Institute looked at clinically significant burnout, which in Sweden is diagnosed as exhaustion disorder. The authors concluded that patients with clinical burnout have cognitive impairments in memory and executive functioning. Executive functioning covers planning, organizing and shifting between tasks, the same skills that are hard for many adults with ADHD.

The same review found that sleep problems appear to be both a cause and a maintaining factor in clinical burnout. Poor sleep has its own effect on attention: the National Heart, Lung, and Blood Institute (NHLBI) says sleep deficiency can cause problems with learning, focusing and reacting, along with trouble making decisions, remembering things and managing emotions. So a stressed, under-slept adult can show many of the same day-to-day problems as an adult with ADHD.

The key differences

ADHD rows draw on NIMH's adult ADHD publication and health topic page; burnout rows on WHO's ICD-11 description and the 2015 review; the stress row on NIMH's stress fact sheet.

The question of timeline

The most useful single question is when the problems began. NIMH states that adults diagnosed with ADHD must have shown symptoms starting before age 12, which is why an evaluation relies heavily on childhood history and reports from family. If focus and organization were fine through school and early work, and trouble began with a new job, a new baby or a long stretch of overwork, stress or burnout becomes a more likely explanation. The article on whether ADHD can develop in adulthood covers this in more detail.

The timeline is not always clean, though. NIMH explains that some people have a milder form of ADHD that they managed well until faced with the stresses and demands of adulthood, especially at work. Others had supportive environments as children that helped them thrive despite the disorder. For these adults, a demanding job does not cause ADHD; it removes the scaffolding that hid it. A careful history usually reveals earlier signs: report card comments, chronic lateness, unfinished projects, or a parent who managed every deadline.

Burnout in people who have ADHD

Both can be present at once. NIMH notes that ADHD often co-occurs with other conditions and can make them harder to treat, and that adults with ADHD are at increased risk for poor job performance. "ADHD burnout" is a popular, informal term for this experience; it is not a diagnosis, and research on it is limited. The ADHD burnout page explains what the term means and what the evidence does and does not show.

Depression is a third possibility that overlaps with both. NIMH notes that when stress-related anxiety does not go away, it can raise the risk of developing an anxiety disorder or depression. The ADHD or depression comparison covers how clinicians separate those, and the ADHD and sleep problems page explains why sleep is checked in every evaluation.

Questions to ask yourself before an evaluation

• Were attention, organization or restlessness problems noticeable before age 12, or did they start in a particular job or life stage?
• Do the problems show up only at work, or also with bills, chores, friendships and hobbies?
• Did a long vacation, a job change or a calmer season make the problems mostly go away?
• How many hours do you actually sleep, and has that changed?
• Do you feel cynical or detached about your job specifically, or is the struggle more general?

Write the answers down and bring them. NICE guidance on ADHD says diagnosis should rest on a full clinical and psychosocial assessment, including developmental history and assessment of coexisting conditions, not on rating scales alone. Dr. Shershow's evaluation covers current symptoms, childhood, school and work history, sleep and other health factors, and other explanations such as stress, anxiety or depression, which may account for symptoms or occur alongside ADHD. See how to prepare for an adult ADHD evaluation and, for job concerns, workplace accommodations in New York.

When to talk to a clinician

Consider talking to a clinician if focus and follow-through problems persist even after stress eases, if they show up across many parts of life, or if you suspect they go back to childhood. Talk to someone sooner if exhaustion comes with persistent low mood or hopelessness. The adult ADHD self-test can help you organize what you notice, though it cannot diagnose ADHD or rule out stress. Adults in New York or New Jersey can read ADHD testing in NYC or ADHD testing in New Jersey to see how an evaluation with Dr. Shershow works. If you are in crisis, call or text the 988 Suicide and Crisis Lifeline at any hour.