What is prolonged grief disorder?
Prolonged grief disorder is persistent, intense yearning for or preoccupation with someone who died, continuing well beyond cultural norms (at least six months in ICD-11, twelve for adults in DSM-5-TR) with significant impairment in daily life. It affects roughly one in ten bereaved adults and responds well to grief-specific therapy.
Two things are true at once and both matter. Most grief, however brutal, is not a disorder and does not need treating. And a real minority get genuinely stuck, and telling them "this is normal, give it time" delays help that works.
The criteria clinicians use
ICD-11 describes persistent, pervasive longing or preoccupation with the deceased, accompanied by intense emotional pain, lasting an atypically long period (at minimum six months) and clearly exceeding social and cultural norms, with significant impairment. DSM-5-TR sets the marker for adults at twelve months since the death, with intense yearning or preoccupation most days, plus at least three of eight symptoms nearly every day for the past month: identity disruption, marked disbelief, avoidance of reminders, intense emotional pain, difficulty re-engaging with life, emotional numbness, feeling life is meaningless, and intense loneliness.
How it differs from ordinary grief
Not by intensity, and not by love. By trajectory and by function. Ordinary grief, even severe grief, tends to loosen its grip unevenly over the first year (the honest version of that timeline is in how long grief lasts) while life gradually restarts around it. Prolonged grief stays at full volume, and life does not restart: the wardrobe is untouched at eighteen months, the room is preserved, reminders are systematically avoided or compulsively sought, and the person cannot picture a future. Lundorff and colleagues' 2017 meta-analysis estimated prolonged grief in roughly one in ten bereaved adults, with higher rates after losing a child or a partner, and after sudden or violent deaths.
What raises the risk
Sudden, violent, or unexpected death. Losing a child or a spouse. A relationship marked by high dependency. Limited social support. Existing depression or anxiety. None of these are faults; they are simply the conditions in which grief is more likely to get stuck.
The good news, and it is real
This is the most hopeful sentence in bereavement research: prolonged grief responds to treatment. Katherine Shear and colleagues tested grief-targeted psychotherapy in randomized controlled trials published in JAMA (2005) and JAMA Psychiatry (2014), and grief-specific treatment outperformed standard depression therapy and antidepressant treatment alone. That means a specific, learnable therapy exists, and most people who get it improve. Being stuck is not a character verdict; it is a treatable condition with a good prognosis.
What to do if this describes you
Start with your doctor, or search directly for a therapist who names grief or bereavement as a specialty. Say plainly how long it has been and what you cannot do anymore; those two facts are what clinicians need. Support tools can sit alongside that care, and should never replace it.
If you are having thoughts of ending your life, please contact your local emergency services or a crisis helpline now. Find a Helpline lists free, verified services in over 130 countries.
See also: WHO ICD-11 (6B42); American Psychiatric Association DSM-5-TR (2022); Lundorff et al. (2017) Journal of Affective Disorders; Shear et al. (2005) JAMA and (2014) JAMA Psychiatry; Prigerson et al., PG-13-R.