Grief or Depression? How Clinicians Tell Them Apart - and What Prolonged Grief Disorder Adds
- Kiesa Kelly
- Aug 2
- 14 min read
Last reviewed: 08/02/2026
Reviewed by: Dr. Kiesa Kelly
Someone you love died, and months later you are still not yourself. Is this grief doing what grief does, depression that arrived alongside the loss, or grief that has stopped moving? At 3 a.m., all three feel identical from the inside - and each points to different help. Grief needs time and support, not treatment. Depression responds to treatments that work whether or not anyone died. And since 2022 there is a third possibility with its own evidence base: prolonged grief disorder.
In this article, you'll learn:
The single fastest signal clinicians use to separate grief from depression
What normal grief, major depression, and prolonged grief disorder each look like day to day
Why the twelve-month threshold exists, and why it is not a deadline for your feelings
How grief and depression can both be present, and why that changes the plan
Concrete questions to ask a provider before you book an evaluation
The short answer - how to tell them apart
Grief comes in waves. It rises when something reminds you - a voicemail, a birthday, the passenger seat - and recedes enough between waves that you can eat lunch or laugh at something. Your sense of your own worth stays intact, and what occupies you is the person: memories, conversations, what you would give to have them back.
Depression sits flat. The mood does not track reminders, because it is not about the person - it is about everything. Pleasure becomes hard to anticipate, not just hard to feel. And the thinking turns self-directed: you are a burden, you failed them, you should have done more. That shift, from I miss them to I am worthless, is the signal a clinician listens for first.
Prolonged grief disorder is a third pattern: the grief never softened. A year or more on, the yearning still runs the day and life has not restarted around the loss. Whichever description fits, therapy matched to the actual pattern beats waiting to see which one you have.
Key takeaway: 🕯️ The fastest signal is not how sad you are - it is what your mind circles. Grief circles the person you lost. Depression circles you.
Three things people get wrong about this
"If I'm still grieving after a year, something is wrong with me." Grief has no expiration date, and most people still sad at eighteen months are simply people who loved someone. The clinical question is not whether grief persists but whether it has stayed intense, unchanged, and disabling.
"You can't be depressed if you're grieving." Psychiatry used to agree. Until 2013 a rule called the bereavement exclusion blocked clinicians from diagnosing major depression in the weeks after a death. It was removed because bereavement does not immunize anyone against depression [7,12].
"Any therapist can do grief counseling." Grief-focused treatment is a specific protocol with its own evidence base, not the same as supportive therapy or standard depression treatment. In the largest randomized trial in this area, grief-targeted psychotherapy substantially outperformed medication alone [5].
What each one is
Normal grief - acute, then integrated
Acute grief is loud and disorganizing, and that is expected. Over months most people move toward integrated grief: the loss becomes permanent and painful but stops occupying the whole foreground. Roughly ninety percent get there without clinical treatment [3,6].
Four months after your mother died you get through most workdays functionally, then you see her brand of tea in the grocery store and stand in the aisle crying. You pull yourself together, finish the shopping, go home, make dinner. The wave was severe, finite, and clearly about her.
Or: you avoid her street because driving past undoes you, and months later you drive past on purpose because you wanted to see it. The pull toward her is constant, but you have started making plans again. Life is reorganizing around a hole that has not gotten smaller.
The distinguishing pattern: grief costs are reminder-triggered and time-limited - the pain spikes hard, attaches to something specific, then loosens enough to let ordinary life back in.
Major depressive disorder
Depression is a mood disorder with its own criteria, and it can begin after a death, before one, or with no trigger at all - which is why the difference between a stress reaction and a clinical depression is worth understanding on its own terms.
Six weeks after your father's death, the sadness has stopped being about him. You wake at 4 a.m. with a heaviness that has no content. Your friend's good news lands as nothing. You have started thinking your family would be less burdened without you - and that thought is about your own worth, not about him.
Or: you move through the day at forty percent and nothing shifts it. A good conversation does not lift it; a funny show does not lift it. You cannot imagine anything you would look forward to, and you have begun to believe you are failing at grieving too. A screener like the PHQ-9 can put language around this, though it cannot diagnose anything on its own.
The distinguishing pattern: depression costs are pervasive and self-directed - the mood does not respond to circumstance, and the thinking turns against the self rather than toward the person who died.
Prolonged grief disorder - the DSM-5-TR addition
In 2022 the American Psychiatric Association added prolonged grief disorder to the DSM-5-TR. For adults the death must have occurred at least twelve months earlier. There must be intense yearning for the person, or preoccupation with thoughts and memories of them, nearly every day for at least the last month. And there must be at least three of eight further symptoms, also nearly daily for a month [1,2]:
Identity disruption - feeling as though part of you died too
A marked sense of disbelief about the death
Avoidance of reminders that the person is gone
Intense emotional pain - anger, bitterness, sorrow - related to the death
Difficulty reintegrating: friends, interests, planning ahead
Emotional numbness
Feeling that life is meaningless without them
Intense loneliness
The grief also has to exceed what would be expected in your social, cultural, or religious context, and it has to be causing real impairment [1].
Two years after your husband died, his clothes are still in the closet arranged as he left them, and you have not opened that door. You turn down invitations because being around couples is unbearable. You describe yourself as "half a person" and mean it literally.
Or: eighteen months out you still cannot say "died" and use "lost" instead, and you feel a jolt of disbelief whenever mail arrives addressed to him. You have not taken a trip or made a plan since the funeral. You are not hopeless about yourself - you are not participating in a future that does not have him in it.
The distinguishing pattern: prolonged grief costs are attachment-based and forward-blocking - the pain is still fully about the person, and what has stalled is not your mood but your ability to restart.
The key differences that matter
Overlapping symptoms that cause confusion
Grief and depression share a lot of surface: disrupted sleep, appetite changes, poor concentration, withdrawal, low energy. What separates them is not whether a symptom is present but how it behaves.
Take withdrawal. In grief, people pull back because company is effortful and social settings are full of reminders - but they still want connection and usually feel better after seeing someone. In depression, withdrawal is closer to indifference: the wanting itself has flattened. In prolonged grief disorder it is typically protective - avoiding what confirms the death is real. Sleep splits the same way: grief insomnia clusters around the emotional weight of nighttime, while depressive insomnia shows up as early-morning waking with a flat dread attached to no thought about the person at all.
Longing versus emptiness - and what the rumination is about
The DSM-5 spells out three contrasts directly. Affect: in grief the predominant feeling is emptiness and loss; in a major depressive episode it is persistent depressed mood and an inability to anticipate happiness or pleasure - which is why the loss of the capacity for pleasure is a depression signal rather than a grief signal. Self-esteem: generally preserved in grief - you may feel shattered but not worthless - while worthlessness and self-loathing are common in depression. Thought content: in grief the preoccupation is memories of the person who died; in depression it is self-critical or pessimistic rumination [7,12].
That third contrast is the one I would give someone if I only had one sentence: ask what the 3 a.m. thoughts are actually about. If they are about them, that is grief. If they are about you, that is depression - and it is treatable.
Time course: waves that soften versus a mood that stays flat
Acute grief decreases in intensity over months and the waves come further apart. Depression persists at a steady level until something changes it. Prolonged grief disorder is a third curve: the waves never spread out, and at twelve months the intensity looks much like it did at three. This is why a clinician asks how this month compares to six months ago.
Key takeaway: 🌊 Grief's dysphoria arrives in waves attached to reminders and eases between them. Depression's is persistent and untethered from what is happening around you.
How a clinician sorts it out
The twelve-month threshold and why it exists
If your loss was recent, none of this is a diagnosis waiting to be made about you. The twelve-month requirement exists specifically to keep normal, painful, entirely expected grief from being labeled a disorder. Intense grief at four months is grief.
The two major diagnostic systems disagree here. The ICD-11 sets its threshold at six months; the DSM-5-TR requires twelve, applying six months only for children and adolescents. Because the criteria differ, prevalence estimates differ depending on which system a study used [8]. US clinicians generally work from the DSM-5-TR.
Key takeaway: 🧭 The threshold is not a deadline for your feelings. It is a guardrail that keeps ordinary grief from being treated as an illness.
What a good assessment clarifies - and what it rules out
A competent evaluation is not primarily about assigning a label. It establishes which pattern is driving the impairment, whether more than one is present, and what needs treating first - through the timeline of the loss, the shape of symptoms across months rather than days, functioning at work and home, prior episodes, medical contributors, and safety.
It also rules things out. Post-traumatic stress disorder frequently follows a sudden or violent death and overlaps with both. Anxiety often rides alongside - a brief measure like the GAD-7 is a common part of the picture. Thyroid disease, anemia, sleep disorders, and medication effects can all mimic depressive symptoms and belong to a medical provider rather than to us. Where the picture is tangled, a fuller psychological evaluation separates the strands more precisely than an intake can. Grief-focused care is also delivered remotely: trials of internet-delivered grief treatment report strong symptom reductions against a waitlist, though they are small so far [13].
Questions worth asking any provider before you book:
Scope: Will this assess grief, depression, and post-traumatic stress together, or only the one I named when I called?
Methodology: How do you distinguish prolonged grief disorder from major depression - what specific criteria or measures do you use?
Timeline: What history will you gather about the months since the death, rather than just how I am doing this week?
Output: What will I actually receive - a diagnosis, a written formulation, specific treatment recommendations?
Fit: Do you or someone on your team deliver grief-focused treatment, or would that be a referral?
Key takeaway: 📋 The most revealing question is the second one. A provider with a clear answer for how they separate prolonged grief from depression has thought about this before you called.
Why getting the distinction right changes treatment
The largest randomized trial in this area assigned 395 bereaved adults with complicated grief to grief-targeted psychotherapy, an antidepressant, both, or placebo. Grief-focused therapy with placebo produced an 83% response rate; the antidepressant alone produced 69%, against 55% for placebo. Adding medication to grief therapy improved depressive symptoms but did not further reduce grief symptoms [5].
That is the practical argument for getting the distinction right. If the driver is prolonged grief and the treatment is an antidepressant alone, the most effective option is being skipped. If the driver is depression, treatment is warranted regardless of the bereavement - NICE NG222 routes by severity and presentation, and cognitive behavioral therapy for depression remains first-line [10]. If both are present, both need addressing.
When grief and depression are both present
They co-occur often, and treating them as mutually exclusive is a consequential mistake. In a large US survey of bereaved adults, 20.4% met criteria for presumptive prolonged grief disorder, 33.9% for post-traumatic stress disorder, and 30.2% for major depression - and 28.8% met criteria for at least two co-occurring conditions, with overlap most likely after a traumatic loss [11]. The same study corrects in the other direction: the majority met criteria for none of these.
A note on those numbers: they come from self-report measures, not diagnostic interviews. A 2025 commentary argues prevalence estimates in this field are systematically inflated by exactly that method [9,14]. Read the percentages as an order of magnitude. This is a young evidence base, and some clinicians still question whether prolonged grief disorder should have been added at all.
What is not in question is the safety signal. The DSM-5-TR notes heightened risk for suicidal ideation in prolonged grief even after accounting for depression and PTSD, and research in bereaved adults finds grief severity independently associated with recent suicidal thoughts [4]. Grief that has turned into thoughts of not wanting to be here is not something to wait out. If you are having thoughts of suicide, call or text 988 in the US to reach the Suicide and Crisis Lifeline, any time.
Grief is also not limited to death. The same processes show up around the life you expected but did not get, and that grief is real even though no funeral marked it.
Key takeaway: 🔀 These are not mutually exclusive. A meaningful minority of bereaved people meet criteria for more than one, and a plan built around only one will underperform.
Which path fits your situation
If the loss was within the last year and the waves still recede between reminders, this is very likely grief. Support - people, structure, patience, a therapist if you want one - is the right response. You do not need a diagnosis.
If the thinking has turned against you - worthlessness, self-blame outstripping anything you did, no capacity to anticipate pleasure - treat that as a depression question regardless of how recent the death was, and get it evaluated now rather than waiting for the twelve-month mark.
If it has been more than a year, the yearning still runs most days, and you have not restarted - no new plans, no reorganized routines, the closet still untouched - raise prolonged grief disorder by name with a provider and ask whether they deliver grief-focused treatment.
If more than one fits, do not talk yourself out of that. Overlap is common, and "I think there may be two things happening" is useful to bring to an evaluation. It is not indecision; it is accurate reporting.
If you are not sure which paragraph you are in - the most common place to be - that uncertainty is itself the reason to talk with someone trained to read the pattern. Dr. Kiesa Kelly and our team work with adults sorting out exactly this overlap.
Feeling weighed down lately?
Depression is treatable, and the right support makes a difference - a clinician can help you understand what's going on and what would help you feel like yourself again.
Frequently Asked Questions
How do I know if what I'm feeling is grief or depression?
You often cannot tell from a single bad day, so watch the pattern for two weeks instead. Note whether the low mood arrives in waves tied to reminders or sits flat all day regardless of what happens, whether your thoughts circle the person you lost or circle your own worthlessness, and whether anything still gives you relief. Bring those observations to a clinician rather than a verdict. Pattern over time is what a good evaluation reads.
How long is too long to grieve?
There is no deadline, and grief that still hurts years later is not automatically a disorder. Clinicians are not measuring how sad you are against a calendar. They are asking whether, at least twelve months after the death, intense yearning or preoccupation is still present nearly every day and is still preventing you from working, connecting, or caring for yourself. Persistence plus impairment is the threshold, not duration alone.
What is prolonged grief disorder?
Prolonged grief disorder is a diagnosis added to the DSM-5-TR in 2022 for grief that remains intense, disabling, and largely unchanged at least a year after a death. It requires persistent yearning or preoccupation plus at least three of eight further symptoms, such as identity disruption or difficulty reintegrating. It is genuinely new and still debated among clinicians, and most bereaved people never meet criteria for it.
Can you have grief and depression at the same time?
Yes, and it is common enough that clinicians actively look for it. Since 2013 a major depressive episode can be diagnosed during bereavement, because being bereaved does not protect anyone from depression. This matters for treatment: in a large randomized trial, adding an antidepressant to grief-focused therapy improved depressive symptoms but did not further reduce grief symptoms. Treating one does not automatically treat the other.
Does telehealth work for grief therapy?
The evidence so far is promising but still early. Randomized trials of internet-delivered cognitive behavioral therapy for prolonged grief have found strong reductions in grief, depression, and post-traumatic stress symptoms compared with a waitlist, though the trials have been small and dropout has been higher in the online arm. For many people the practical advantage is real: grief-focused care is hard to find locally, and telehealth widens the pool of clinicians.
About the Author
Dr. Kiesa Kelly is a licensed clinical psychologist and the founder of ScienceWorks Behavioral Healthcare, with more than 20 years of experience in psychological assessment and evidence-based treatment. Her work centers on differential diagnosis - the careful process of separating conditions that look alike on the surface but call for different care - which is the core clinical problem in distinguishing grief, depression, and prolonged grief disorder.
Dr. Kelly's clinical training includes work at the University of Chicago, Vanderbilt University, and the University of Wisconsin, and she completed NIH-funded research training earlier in her career. She practices in Tennessee through a telehealth-forward model with an in-person option in Nashville, and reviews every article published here for clinical accuracy.
References
1. American Psychiatric Association. Prolonged Grief Disorder. https://www.psychiatry.org/patients-families/prolonged-grief-disorder
2. Prigerson HG, Boelen PA, Xu J, Smith KV, Maciejewski PK. Validation of the new DSM-5-TR criteria for prolonged grief disorder and the PG-13-Revised (PG-13-R) scale. World Psychiatry. 2021;20(1):96-106. https://pubmed.ncbi.nlm.nih.gov/33432758/
3. Lundorff M, Holmgren H, Zachariae R, Farver-Vestergaard I, O'Connor M. Prevalence of prolonged grief disorder in adult bereavement: a systematic review and meta-analysis. J Affect Disord. 2017;212:138-149. https://pubmed.ncbi.nlm.nih.gov/28167398/
4. Sekowski M, Prigerson HG. Associations between symptoms of prolonged grief disorder and depression and suicidal ideation. Br J Clin Psychol. 2022;61(4):1211-1218. https://pubmed.ncbi.nlm.nih.gov/35869636/
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7. American Psychiatric Association. Major Depressive Disorder and the "Bereavement Exclusion" (DSM-5 fact sheet). https://www.psychiatry.org/File%20Library/Psychiatrists/Practice/DSM/APA_DSM-5-Depression-Bereavement-Exclusion.pdf
8. Lenferink LIM, Eisma MC, Smid GE, de Keijser J, Boelen PA. Prolonged grief disorder in ICD-11 and DSM-5-TR: differences in prevalence and diagnostic criteria. Front Psychiatry. 2024;15:1266132. https://pubmed.ncbi.nlm.nih.gov/38389981/
9. Eisma MC. Prevalence rates of prolonged grief disorder are overestimated. Eur J Psychotraumatol. 2025;16(1):2520634. https://pubmed.ncbi.nlm.nih.gov/40586701/
10. National Institute for Health and Care Excellence. Depression in adults: treatment and management (NG222). 2022. https://www.nice.org.uk/guidance/ng222
11. Rheingold AA, Williams JL, Bottomley JS. Prevalence and co-occurrence of psychiatric conditions among bereaved adults. JAMA Netw Open. 2024;7(6):e2415325. https://pubmed.ncbi.nlm.nih.gov/38842805/
12. Fedele B, Jones D. Grief and major depression - controversy over changes in DSM-5 diagnostic criteria. Am Fam Physician. 2014;90(10):690-694. https://www.aafp.org/pubs/afp/issues/2014/1115/p690.html
13. Lenferink LIM, Eisma MC, Buiter MY, de Keijser J, Boelen PA. Online cognitive behavioral therapy for prolonged grief after traumatic loss: a randomized waitlist-controlled trial. Cogn Behav Ther. 2023;52(5):508-522. https://pubmed.ncbi.nlm.nih.gov/37341432/
14. Prigerson HG, Kakarala S, Gang J, Maciejewski PK. On the classification and reporting of prolonged grief: assessment and research guidelines. Harv Rev Psychiatry. 2024;32(1):1-10. https://pubmed.ncbi.nlm.nih.gov/38181100/
Disclaimer
This article is for informational purposes only and is not a substitute for individualized clinical evaluation, diagnosis, or treatment. Reading it cannot tell you whether you have prolonged grief disorder or major depressive disorder - only a qualified clinician who knows your history can do that. If you are struggling after a loss, please reach out to a licensed mental health professional. If you are having thoughts of suicide or self-harm, call or text 988 in the US to reach the Suicide and Crisis Lifeline.