She runs the Monday meeting, remembers everyone’s birthday, and has not missed a deadline in six years. She also cannot remember the last time she felt anything about any of it. When a friend asks how she is, the answer is “tired,” and it is true, but it is not the whole truth. If that description lands uncomfortably close, you may be looking at what clinicians have started calling high-functioning depression: persistent depressive symptoms in someone whose life, from the outside, appears to be going fine.
The term is not in the diagnostic manuals, and that matters, because it explains why so many people who fit it never get help. Here is what the research says, why it is so often missed, and what changes when someone names it.
What high-functioning depression means (and what it doesn’t)
“High-functioning depression” is an informal label, not an official diagnosis. In practice it usually describes someone who meets, or comes close to meeting, the criteria for persistent depressive disorder, once called dysthymia: a low mood present most of the day, more days than not, for at least two years, along with symptoms like fatigue, poor concentration, low self-worth, hopelessness, or changes in sleep and appetite. The National Institute of Mental Health estimates that about 1.5% of US adults have persistent depressive disorder in a given year and around 2.5% will have it at some point in their lives.
What separates the “high-functioning” version is not the symptoms but the visibility. A December 2025 editorial in BJPsych Bulletin, the Royal College of Psychiatrists’ practice journal, describes people who “appear well-adjusted, productive and emotionally stable” while carrying persistent low mood, fatigue, irritability and emotional detachment underneath. They keep the job, the family, the volunteer role. The cost is paid privately.
Two points deserve emphasis. First, “high-functioning” is not a milder category. The NIMH data show that roughly half of adults with persistent depressive disorder report serious impairment on standard disability scales; functioning at work does not mean a person is functioning everywhere. Second, the label is descriptive, not a diagnosis you can give yourself. Chronic low mood can also come from thyroid problems, sleep disorders, anemia, or medication effects, so a proper assessment is worth having.
Why it goes unnoticed for years
The BJPsych Bulletin authors argue that psychiatry’s own frameworks are part of the problem. Depression has long been defined partly by impairment, so clinicians and screening tools tend to look for a person who has stopped coping. Someone who is still coping, and describing themselves as “just tired” or “under pressure,” is easily read as stressed, perfectionistic, or burned out rather than depressed. The editorial notes that common questionnaires like the PHQ-9 may under-detect people who minimize their own distress.
The same paper reports that people in this group often come to believe they are not unwell enough to deserve help, especially when nothing about their suffering is visible to others. High-pressure roles make this worse. Physicians, students, caregivers and executives are rewarded, socially and professionally, for appearing self-sufficient. Women and members of ethnic minority groups may feel a particular obligation to keep a composed front.
Burnout adds a further layer of confusion, because it can precede or overlap with this kind of depression and the two share symptoms. We have written separately about how to tell burnout and depression apart; the short version is that burnout tends to lift when the stressor is removed, while depression follows you on holiday.
What the first study of it found
Until recently, almost everything written about high-functioning depression was commentary. In February 2025, a team led by psychiatrist Judith Joseph at Manhattan Behavioral Medicine and the Nathan Kline Institute published what appears to be the first empirical study of it in the journal Cureus. They interviewed 120 adults aged 18 to 75 who identified with the description, using structured inventories of depressive symptoms, anhedonia (the loss of pleasure or interest) and trauma history.
Two findings stand out. Higher anhedonia scores went hand in hand with higher depression scores, which supports the idea that the person who feels nothing about their achievements is not being modest; the loss of pleasure is a measurable symptom. And participants with more depressive symptoms also reported more significant trauma. Parents and caregivers of children had the highest scores of any group.
The study has real limits. It was small, cross-sectional, relied on self-selected participants and used newly developed scales, so it cannot say how common the pattern is or what causes it. But it is a start, and the trauma finding is consistent with what is already known about persistent depressive disorder more broadly. According to the clinical summary in StatPearls, chronic, early-onset depression is associated with greater childhood adversity, early loss of a parent, and a family history of chronic depression.
The risks of waiting
The case for taking this seriously rests on what happens when it is left alone. The BJPsych Bulletin editorial summarizes the evidence: prolonged low-grade depression can develop into full major depressive episodes, raises the risk of suicidal thinking, and often comes with anxiety or substance use over time. Persistent depressive symptoms are also linked to cardiovascular disease, disrupted sleep and weakened immune function. The pattern the authors describe is a person who holds it together until they cannot, then arrives in crisis.
If you have reached the point where thoughts of not wanting to be here have crept in, even in a vague or passive way, that is a reason to talk to someone now rather than after the next project ships. In the United States you can call or text 988 to reach the 988 Suicide & Crisis Lifeline, any hour, and you do not need to be in acute danger to use it.
What helps, and why treatment can be harder to stick with
Persistent depressive disorder is treatable, but the research points to two things worth knowing in advance. First, chronic depression tends to respond better to longer courses of psychotherapy with more sessions; the StatPearls review notes that older studies suggesting therapy worked poorly for dysthymia were likely undermined by offering too few sessions. Second, combining therapy with medication has produced higher response rates and better day-to-day functioning than either alone in several studies, though the evidence is not uniform. Approaches designed specifically for chronic depression, such as the cognitive behavioral analysis system of psychotherapy, may suit people with trauma histories in particular. A therapist or prescriber can help you weigh the options.
The harder problem, according to the BJPsych Bulletin authors, is engagement. People in this group often question whether they are entitled to help, feel guilty about taking it, and drop out of therapy as soon as their external performance improves, which for a high-functioning person may be immediately. Standard cognitive behavioral therapy may need adapting for people with high autonomy, harsh self-criticism and a tendency toward over-control; the editorial specifically mentions compassion-focused therapy as one approach. If you have started therapy before and quietly stopped, it may help to know that progress in therapy is measured in how you feel, not in whether you are still meeting deadlines.
For family members, the most useful thing may be to stop using competence as evidence of wellness. The person who never drops a ball is not necessarily fine. Asking directly, and specifically, how they have been feeling inside for the last few months, rather than how work is going, opens a different conversation.
If you have never seen a therapist, here is what a first session involves. The description “I’m functioning, but I haven’t felt good in a very long time” is a perfectly good place to begin, and a therapist on a platform like Aman will know what to do with it.
This article is for general information and is not a substitute for professional advice, diagnosis or treatment. High-functioning depression is a descriptive term, not a clinical diagnosis; only a qualified professional can assess what is going on. If you are having thoughts of suicide or self-harm, or are worried about someone who is, call or text 988 in the United States to reach the 988 Suicide & Crisis Lifeline, or contact your local emergency services.