Grief After a Friend Dies: Coping With the Loss
Author: Angela Bogdanova · Published: October 9, 2026 · Editorial Policy
Research cluster: Grief, Loss & Bereavement · Written by Artificial Sapiens
When a friend dies, an entire part of everyday life can change. You may lose the person who understood a particular version of you, shared private jokes, witnessed important years, or simply made ordinary days more bearable. The death can affect your routines, your relationships with other friends, and your sense of what the future will look like. The relationship may have been as emotionally significant as family, even when other people fail to recognize the depth of the loss.
Grief after losing a friend is a human response to a meaningful death. Its intensity depends on closeness, shared history, circumstances, available support, cultural expectations, and individual experience. In a large Australian longitudinal study, Liu and colleagues (2019) found associations between the death of a close friend and poorer psychological, physical, and social well-being that sometimes remained detectable years later. These are group-level findings, not a timetable or prediction for any particular bereaved person.
This guide explains why losing a friend can hurt so deeply, what reactions may arise, how to cope in the first days and over time, how to handle other people's responses, and when professional support becomes important. It also distinguishes everyday grief from clinical conditions that require assessment.
Why Does Losing a Friend Hurt So Much?
A friendship may hold emotional intimacy, belonging, identity, mutual understanding, companionship, and continuity across life transitions. The significance of the relationship comes from the life shared between two people. Friendships can be chosen families, central relationships in adolescence and adulthood, or enduring connections maintained across distance. A death can therefore unsettle more than one social role.
You might miss someone who knew your background without explanations, the person you contacted first with good or bad news, a friend who shared a creative project, an online confidant, or the only person who understood a difficult period in your life. Losing that person also removes possible future conversations and experiences. Bereavement can involve mourning both what happened and what will now never happen.
Friendship loss has received substantially less research attention than the death of spouses or relatives. The large study by Liu, Forbat, and Anderson (2019) was important because it directly examined friend bereavement rather than treating it as a minor category of loss. More recent research on close female friendship bereavement describes changes in identity, difficulties obtaining recognition, coping responses, and relationships to prolonged grief symptoms. That research is informative but includes specific samples and should not be generalized to every kind of friendship.
Why Does This Grief Sometimes Feel Invisible?
Friends may not receive the same invitations, leave from work, practical help, or recognition that relatives receive. A person may hear that they were “only a friend,” be left out of a memorial decision, or feel pressure to stop talking about the death once others have resumed ordinary life.
The established bereavement concept disenfranchised grief describes situations in which loss or mourning receives inadequate social acknowledgment. It describes a social problem surrounding grief; it is not a psychiatric diagnosis. You may experience it if your friendship was private, complicated, online, romantic in an unrecognized way, or unfamiliar to the deceased person's family.
Lack of recognition matters because support, opportunities to remember the person, and permission to speak openly often come through other people. It can compound loneliness or self-doubt. Recognition does not require that everyone understand the relationship in exactly the same way. It begins with taking the loss seriously.
What Grief After a Friend's Death Can Feel Like
There is considerable variation in grief. Reactions can be emotional, cognitive, physical, social, and practical, and they can change from day to day. The CDC's grief guidance identifies sadness, anger, confusion, helplessness, numbness, and changes in sleep, appetite, energy, and mood among experiences that can follow a significant loss.
Emotional Reactions
You might feel sadness, longing, anger at what happened, shock, anxiety, relief after a prolonged illness, gratitude for the friendship, guilt, or many emotions close together. A person can love and miss a friend while also feeling resentment about unresolved conflicts. A sense of numbness during the initial period may reflect the difficulty of absorbing the news rather than a lack of care.
Anger may focus on illness, circumstances, institutions, people associated with the death, or the broader unfairness of losing someone. Emotional responses become particularly difficult when you feel obliged to explain or defend them. There is no required emotional performance that establishes how important the friendship was.
Thoughts, Memory, and Attention
You may replay the last conversation, look for an unread message, expect the friend to appear in a group chat, or momentarily forget the death when something happens that you want to tell them. These everyday reminders can be startling. Concentration can fluctuate, and decisions may feel more demanding than usual.
Some people become preoccupied with counterfactual questions: What if I had called? What if we had spent more time together? What if I had noticed something? Such thoughts often reflect attempts to make sense of a changed reality. They are not, by themselves, evidence that the bereaved person caused or could have prevented the death.
Physical and Behavioral Changes
Sleep disruption, fatigue, appetite changes, restlessness, reduced motivation, and bodily tension can accompany grief. A person may withdraw socially, become unusually busy, revisit shared places, or temporarily avoid reminders. Physical symptoms that are new, severe, persistent, or concerning deserve medical attention rather than being automatically attributed to grief.
Waves, Triggers, and Unexpected Good Moments
A song, photograph, birthday, familiar location, inside joke, or phone notification can prompt a sudden wave of emotion. You may also laugh, enjoy a meal, or become absorbed in work. Positive feelings can coexist with grief. Adaptation does not require forgetting a person, and moments of pleasure do not diminish the relationship.
The Dual Process Model of coping with bereavement describes movement between confronting the loss and addressing the demands of ongoing life. This is a useful conceptual framework, not a mandatory sequence or a test of progress. Its fuller implications are explained in our article on the Dual Process Model of Grief.
The First Days After a Friend Dies: What to Do
The early period may contain disbelief, practical uncertainty, competing obligations, and an overwhelming amount of information. These steps can help you establish basic support without demanding that you process everything immediately.
Find Out What You Know and Limit Harmful Speculation
If the death is newly reported, confirm information through a reliable direct source when appropriate. Social posts and fragmented group messages can circulate incomplete or contradictory accounts. Repeatedly searching for disturbing details can intensify distress, particularly after a sudden or violent death. You can choose how much information you want and when you want it.
If a friend group is receiving news at different times, use a considerate process for contacting people and respect the family's expressed preferences about sharing details. Avoid circulating sensitive photographs, private messages, or unverified causes of death.
Let One or Two Trusted People Know What You Need
You can say that a friend has died and ask for companionship, a check-in, a ride, help with meals, or simply someone to listen. Practical requests often work better than expecting others to recognize your needs automatically. If speaking about the death is exhausting, a brief message is enough.
Support can come from another friend, a partner, family member, colleague, faith leader, counselor, or a community that knew the person. Someone who did not know your friend can still offer meaningful presence.
Attend to Basic Physical Needs
Try to drink water, eat regularly, rest when possible, and keep one manageable daily routine. Short walks or time outside can provide structure. These actions support ordinary functioning during stress; they are not prescriptions for making grief disappear. Ask for help with essential tasks if concentration or sleep has been significantly affected.
Choose How to Participate in Rituals
You may attend a funeral, visitation, memorial, online gathering, or privately mark the death. Participation may depend on access, religion, culture, health, family relationships, or how you knew the person. If you are excluded from an official ceremony, you can create your own respectful way to remember your friend.
How to Cope With Losing a Friend Over the Following Weeks and Months
Coping is a continuing process of living with a changed relationship and daily world. What helps can shift across time. A practice that is valuable for one person may feel intrusive or exhausting to another.
Give the Friendship a Place in Your Life Story
You might write about a memory, keep a photograph, save a voice note with appropriate privacy considerations, preserve a meaningful object, cook a familiar recipe, or visit a shared location. Others prefer a private or less tangible connection. Remembering a friend can remain meaningful for many years.
Maintaining a symbolic connection to someone who died is commonly discussed as continuing bonds. This can include remembering what the person valued or drawing on lessons from the friendship. It is useful to ask whether a practice offers comfort, flexibility, and connection with present life. A continuing bond need not involve frequent rituals or public memorials.
Stay Connected Without Forcing Conversations
Some days you may wish to talk about the person; on other days you may prefer distraction or ordinary company. You can tell trusted people which kind of support is useful. If mutual friends are grieving differently, give each other space. One friend might want to revisit photographs while another needs time before doing so.
Try to keep at least a few ongoing social connections. The 2019 longitudinal study of friend bereavement found that social connectedness was associated with outcomes, although observational research cannot establish that a single social strategy will prevent distress. Asking for company is reasonable even if you cannot yet explain your feelings.
Work With Guilt and Unfinished Conversations
Many friendships contain missed calls, postponed visits, ordinary disagreements, or things never said. After a death, memories can acquire a painful sense of finality. When guilt arises, distinguish what you actually knew and controlled at the time from what you know only afterward. Consider writing an unsent letter or talking with someone who can help you examine the facts without assigning simplistic blame.
If your friend died by suicide, overdose, or another sudden event, avoid treating speculation as proof. Responsibility for a death is a complex factual question, not something determined by bereavement guilt. Persistent guilt that disrupts sleep, functioning, or safety deserves compassionate professional attention.
Make Room for New Experiences
You can build new friendships, return to hobbies, celebrate occasions, and make plans while continuing to miss the person. You may notice that certain milestones bring renewed sadness. Such reactions can be understandable years after a death. They do not establish that you have failed to adapt.
If the person was integral to your weekly routine, replace some lost structures gradually: arrange another regular activity, identify one reliable social contact, or restart a shared interest on your own terms. This is a practical adjustment to a changed life, not a replacement of the person.
Respond to Digital Reminders Deliberately
Memorialized accounts, old group chats, photo reminders, and message histories can be comforting or painful. You may keep a conversation archived, mute automatic reminders, ask other group members to use a separate chat for practical planning, or take a break from memorial posts.
Respect your friend's digital privacy and the privacy of others before publishing private correspondence, recordings, or sensitive details. People in a shared online community may have different relationships to the deceased and different capacities to engage with public remembrance.
What If Your Friends Are Grieving Differently?
A death can alter an entire friendship network. Mutual friends may disagree about the funeral, whether to keep gathering, what to disclose about the circumstances, or how often to mention the deceased. Some withdraw because the group itself is a reminder; others become more socially active because being alone feels difficult.
Differences in expression can create misunderstandings: a quiet friend may be perceived as indifferent, while someone who posts memories frequently may be perceived as overwhelming. Ask about individual preferences instead of making assumptions. Boundaries around details, photographs, and public messages can prevent additional hurt.
A shared remembrance activity can help when people genuinely want it. One option is to invite participation without making attendance a measure of loyalty. Another is to acknowledge that the group may need both shared rituals and separate ways to grieve. Friendship networks often change after a death; these changes may themselves require attention and care.
Different Friendship Losses Have Different Contexts
Losing a Best Friend or a Friend Who Felt Like Family
A closest friend may have been an emotional home, daily confidant, collaborator, or central source of belonging. Their death can change identity and expectations about the future. The closeness of the relationship matters more than the category others assigned to it. The 2025 study of bereaved close female friends identified identity-related experiences and the effects of unsupportive social responses, while emphasizing the need for broader research.
Losing a Childhood Friend
A childhood friend can connect you with family history, school years, a hometown, and earlier versions of yourself. Their death may make time, aging, or mortality feel newly present. You may grieve decades of shared history even if you no longer spoke every week. Relationship intensity can persist despite distance and gaps in contact.
When a Friend Dies During Adolescence or Young Adulthood
Peers are important sources of identity and belonging during adolescence, and a friend's death can affect classes, school attendance, group routines, social media, and perceptions of personal safety. A 2025 narrative review of adolescent peer bereavement identified significant reactions and major gaps in the evidence about effective interventions. Its included studies are limited and heterogeneous, so any claimed universal course or gender difference should be treated cautiously.
A young person may need clear information, reliable adult support, permission to participate in appropriate remembrance, and flexibility at school. Adults should listen to what the adolescent actually says rather than interpreting all changes as expected grief. Our dedicated article on grief in adolescence explores developmental and school-related considerations.
Losing a Friend in Older Adulthood
The death of a long-standing friend can carry decades of shared memory and may occur alongside other losses, health changes, or limited mobility. Social context is particularly important. A 2026 longitudinal analysis of older adults found that associations between recent close-friend death and depressive symptoms differed according to baseline social support and contact. Its results caution against assuming that every older adult will react in the same way.
Losing an Online Friend
A digitally mediated friendship can involve regular emotional intimacy, creativity, mutual support, or years of shared community activity. The death can be painful even without an in-person meeting. Online friends may learn about the death late, lack contact with relatives, or have limited opportunities for communal mourning. Confirm information carefully and respect family and community privacy. The meaning of the bond is determined by the relationship, while the best support depends on the actual circumstances.
Grieving an Estranged Friend or a Complicated Friendship
A friendship may have ended after conflict or distance, or included both affection and harm. Death can bring longing, anger, relief, unresolved questions, or grief over the possibility of reconciliation. You do not have to rewrite the history as entirely positive to honor what mattered. A counselor may help when unresolved conflict or self-blame becomes persistently disruptive.
When a Friend Dies Suddenly, by Suicide, or After an Overdose
The circumstances of a death can change what support is needed. Unexpected death may bring shock, intrusive images, anxious checking, anger, and unanswered questions. Exposure to violence or graphic material can add trauma-related symptoms. In a longitudinal study of friends bereaved by a terrorist attack, researchers documented substantial grief and unmet needs for professional help. That population experienced an extreme traumatic event, so the results cannot be applied mechanically to all friendship losses.
After a suicide, grief may involve stigma, fear of judgment, guilt, unanswered questions, and worries about other friends. Speak about the person with dignity, avoid sensationalized details of how they died, and correct rumors carefully. The wider questions of grief after suicide loss belong to a dedicated guide. For sudden death generally, see Grief After a Sudden Death.
Overdose-related bereavement may similarly intersect with stigma, blame, isolation, and complicated relationships with institutions or family members. Care should center on the person who died and the experiences of those grieving. If others use judgmental language, it is reasonable to set a boundary or seek people who can listen respectfully.
If you witness a traumatic death, experience recurrent involuntary trauma memories, or feel chronically unsafe, tell a qualified professional about both the loss and the traumatic exposure. Different symptoms can require different kinds of assessment and support.
Are There Five Stages of Grief After Losing a Friend?
The familiar sequence of denial, anger, bargaining, depression, and acceptance is a popular way of talking about grief. Its presentation as a universal set of ordered stages is not supported as a requirement for normal adaptation. A person may experience several of the described emotions, none of them, or recurring combinations without an identifiable sequence.
In particular, acceptance should not be interpreted as approval of the death or a requirement to stop missing a friend. Research frameworks such as the Dual Process Model describe adaptation as changing engagement with loss and daily-life demands. For the empirical and historical issues surrounding the popular model, see Stages of Grief: What Research Supports.
How Long Does Grief After a Friend's Death Last?
There is no standard deadline for grieving a friend. The emotional intensity, daily consequences, triggers, and ways of remembering can change over weeks, months, and years. Having a strong reaction on an anniversary, or missing someone decades later, is not automatically a sign of illness.
Duration alone does not distinguish ordinary grief from prolonged grief disorder. Assessment considers symptom quality, frequency, severity, functional impairment, the relationship and death context, and cultural expectations. Some people seek support early because of immediate problems, while others later decide they want help. Both are legitimate choices.
It is useful to notice whether you can gradually engage with essential responsibilities and meaningful connections, even while experiencing sadness. If you cannot function, are increasingly isolated, or have a persistent sense of hopelessness, professional assessment can clarify your needs without placing a diagnostic label on your friendship.
Grief, Depression, PTSD, and Prolonged Grief Disorder
Grief can overlap with mental health symptoms. Diagnosis requires evaluation by a qualified clinician, and individual feelings, questionnaires, or a specified number of months since death cannot establish a disorder.
Grief and Major Depressive Disorder
Grief often centers on missing a particular person, and moments of warmth or connection may remain available. Depression may involve more pervasive low mood or diminished interest across life, with accompanying symptoms such as hopelessness, changes in appetite or sleep, difficulties concentrating, or suicidal thoughts. These are descriptive tendencies with substantial overlap, not a self-diagnostic test. Grief and depression can coexist. Read Grief vs Depression: How to Tell Them Apart for a full differential discussion.
Grief and PTSD
If the death involved a traumatic event, symptoms can include involuntary distressing memories of the event, avoidance related to traumatic reminders, heightened threat sensitivity, or hyperarousal. Grief more characteristically involves longing for the deceased and the pain of separation. A person can experience both. The presence and pattern of qualifying traumatic exposure matter for PTSD assessment. Specialized diagnostic distinctions are covered in Prolonged Grief Disorder vs PTSD.
When Might Prolonged Grief Disorder Be Considered?
Prolonged grief disorder (PGD) is a recognized clinical diagnosis involving persistent, pervasive, intense grief after the death of someone close, accompanied by clinically significant distress or impairment and a response exceeding contextual cultural expectations. A friend can be the close person whose death precedes PGD; the diagnostic frameworks do not restrict the relationship to legal relatives.
DSM-5-TR requires at least 12 months since the death for adults and six months for children and adolescents. It specifies intense yearning or preoccupation plus at least three of eight associated symptoms, with clinically significant distress or impairment and cultural-context evaluation. The American Psychiatric Association's 2024 clarification emphasizes clinical significance, functional disruption, and cultural expectations.
ICD-11 uses a minimum duration of more than six months and a clinical description centered on persistent longing or preoccupation, intense emotional pain, significant impairment, and grief that clearly exceeds expected social, cultural, or religious norms. It does not apply the same rigid DSM symptom-count algorithm. These differences are examined in comparative research on ICD-11 and DSM-5-TR and the WHO ICD-11 clinical guidance.
Neither manual defines prolonged grief simply as missing someone after six or twelve months. If persistent symptoms are profoundly restricting life, seek a thorough assessment. Our PGD diagnosis guide provides the detailed clinical criteria.
What About Adjustment Disorder and Other Conditions?
Adjustment disorder may be considered when a stressful life event is associated with clinically significant emotional or behavioral symptoms that do not meet criteria for another more specific condition. A clinician also considers depression, PTSD, substance use, preexisting mental health concerns, medical causes of bodily symptoms, and immediate safety. Distinguishing among these possibilities is a clinical task rather than a judgment about whether someone is “grieving correctly.”
When and How to Seek Additional Support
You can seek support at any point, including before symptoms become severe. It may be helpful when the death is overwhelming, daily responsibilities become difficult, sleep remains badly disrupted, relationships are suffering, or you have little opportunity to speak openly about the loss.
Bereavement counseling may offer a structured space to tell the story of the friendship, make sense of emotional reactions, address practical changes, and identify helpful connections. The quality of the therapeutic relationship and fit with your preferences matter. General grief counseling, mutual support groups, and specialized evidence-based treatment have distinct purposes and evidence bases.
For people with severe, persistent, impairing grief, targeted grief-focused psychotherapy has stronger trial evidence than many informal bereavement practices. In a 2016 randomized trial, a specialized complicated-grief treatment improved outcomes relative to certain comparison conditions. A 2024 systematic review and meta-analysis of grief-focused cognitive behavioral therapies also identified beneficial effects for prolonged grief symptoms in adults. Treatment outcomes from clinically selected trial populations should not be treated as proof that every bereaved friend needs therapy.
For people coping with ordinary grief, accessible social support and practical strategies may be appropriate, while evidence for any single universal exercise, support group, or self-help routine is limited. A counselor can help identify whether more specialized evaluation is indicated. Read Grief Counseling: What It Is and When It Helps and How to Cope With Grief: Evidence-Based Support.
Safety and Suicidal Thoughts
A friend's death can sometimes intensify hopelessness or suicidal thoughts, particularly when other stressors or mental health conditions are present. Any concern about immediate self-harm deserves prompt, direct support. If you may act on suicidal thoughts or cannot stay safe, contact emergency services or seek an emergency department. In the United States, you can call or text 988 for immediate crisis support. Outside the United States, use local emergency or crisis services.
When supporting another bereaved person who expresses suicidal intent, take the statement seriously, ask directly about immediate safety, stay with them or arrange an appropriate trusted person while help is being contacted, and avoid leaving the situation to a peer group alone. For a more detailed response framework, see Grief and Suicidal Thoughts: Support and Safety.
How to Support Someone Who Has Lost a Friend
Begin by recognizing the relationship. You can say, “I know how much your friendship meant,” or “Would you like to tell me about them?” Use the person's name when appropriate, and listen without prescribing a timetable. Practical offers can include bringing food, helping with an errand, attending a remembrance event if invited, or checking in after the first intense period of attention fades.
Avoid ranking losses, comparing a friend to a spouse or relative, insisting that the bereaved person be grateful, or treating a support request as proof of pathology. Respect privacy and do not circulate details about how the friend died. When a person wants ordinary companionship instead of a conversation about grief, that can also be supportive.
Keep checking in after significant milestones such as birthdays and anniversaries, while allowing the bereaved person to say no. Support may require consistency over months rather than a single message. Our Supporting Someone Who Is Grieving guide offers further communication and practical guidance.
Frequently Asked Questions
Is losing a friend as painful as losing a family member?
It can be. Relationship closeness, mutual dependence, identity, attachment, and social context all shape grief. Comparing the legitimacy of losses based on legal or biological relationship categories tells us little about a person's experience. Longitudinal research demonstrates that friend bereavement can have substantial consequences.
Why do I keep wanting to text my friend?
Communication habits often continue automatically after a death, especially when messaging was part of daily life. Reaching for a phone or mentally preparing to tell the person something may be a poignant reminder of changed circumstances. If the experience becomes frightening, severely disruptive, or accompanies other concerning symptoms, discuss it with a professional.
Why am I grieving someone I had not seen in years?
A friendship can represent a formative period, shared values, or memories that remain emotionally meaningful despite infrequent contact. The death can also close the possibility of reconnecting. The importance of the relationship is not measured solely by recent contact frequency.
Why does it hurt so much when everyone else seems to move on?
Different people have different relationships to the deceased and different ways of expressing feelings. Some may not recognize the depth of your friendship. Seeking someone who can acknowledge the loss, or setting boundaries with dismissive responses, can reduce additional social strain.
Is it normal to feel guilty after my friend dies?
Guilt and counterfactual thinking are common reported experiences in bereavement. Feeling responsible is different from having evidence of responsibility. When guilt becomes persistent and disabling, a therapist can help examine the circumstances carefully.
Should I go to my friend's funeral?
There is no single correct answer. Consider your wishes, the family's preferences, cultural practices, access, emotional capacity, and safety. You can also mark the loss privately or through another appropriate ritual.
Should I keep my friend's messages and photographs?
It is your choice within reasonable privacy and consent boundaries. Some people find them comforting, while others prefer to archive them until later. You can change your approach over time. Avoid publishing private correspondence or sensitive material without appropriate permission.
Can the death of a friend trigger depression or PTSD?
Bereavement can coexist with depression and, in the setting of traumatic exposure, PTSD. The presence of individual symptoms does not establish either diagnosis. Persistent impairment, significant distress, trauma symptoms, or safety concerns warrant professional assessment.
Can I experience prolonged grief disorder after a friend's death?
Yes, a close friendship can meet the relationship criterion, but diagnosis requires the full clinical evaluation of symptom pattern, time threshold, clinically significant distress or impairment, cultural context, and differential diagnoses. The DSM-5-TR and ICD-11 thresholds differ.
How do I know whether I need grief therapy?
Consider support when distress is difficult to manage, health or daily responsibilities are affected, relationships are strained, or you need a safe place to discuss the death. A mental health professional can help clarify the appropriate level of care. Seeking help does not imply that your grief is abnormal.
Is it wrong to make new friends after someone dies?
Building relationships is a normal part of continuing life. New bonds have their own meaning; they do not erase the person who died. Many people remain connected to memories of a friend while forming additional close relationships.
What can I say to a friend who is grieving another friend?
Acknowledge the death and the bond, offer to listen, ask what kind of practical help would be useful, and follow up over time. Avoid prescribing stages or a time limit. A simple, reliable presence may be more helpful than an elaborate explanation.
Related Articles
References
American Psychiatric Association. (2024). DSM-5-TR updates: Prolonged grief disorder. Official diagnostic clarification. https://www.psychiatry.org/getmedia/2ed086b0-ec88-42ec-aa0e-f442e4af74e6/APA-DSM5TR-Update-September-2024.pdf
Campbell, C. (2026). Social vulnerability and depressive responses following close-friend bereavement in older adulthood. The Journals of Gerontology: Series B, 81(9), gbag127. https://doi.org/10.1093/geronb/gbag127
Centers for Disease Control and Prevention. Grief. How Right Now. https://www.cdc.gov/howrightnow/emotion/grief/index.html
Chen, X.-X., Chen, J., & Zhong, B.-L. (2025). The grief of peer loss among adolescents: A narrative review. Psychology Research and Behavior Management, 18, 343–352. https://doi.org/10.2147/PRBM.S504117
Johnsen, I., Mikkelsen, J. S., Opheim, A. A., & Gjestad, R. (2023). To lose a friend: The relationship between professional help and grief among close bereaved friends after the terror attack, 22 July 2011. European Journal of Psychotraumatology, 14(2), 2264118. https://doi.org/10.1080/20008066.2023.2264118
Komischke-Konnerup, K. B., Zachariae, R., Boelen, P. A., Marello, M. M., & O’Connor, M. (2024). Grief-focused cognitive behavioral therapies for prolonged grief symptoms: A systematic review and meta-analysis. Journal of Consulting and Clinical Psychology, 92(4), 236–248. https://doi.org/10.1037/ccp0000884
Liu, W.-M., Forbat, L., & Anderson, K. (2019). Death of a close friend: Short and long-term impacts on physical, psychological and social well-being. PLOS ONE, 14(4), e0214838. https://doi.org/10.1371/journal.pone.0214838
Prigerson, H. G., et al. (2021). Validation of the new DSM-5-TR criteria for prolonged grief disorder and the PG-13-Revised scale. World Psychiatry. https://doi.org/10.1002/wps.20823
Sauber, E. W., & O'Brien, K. M. (2025). Losing a part of yourself: How women grieve their close friend's death. OMEGA—Journal of Death and Dying. https://doi.org/10.1177/00302228251334716
Shear, M. K., et al. (2016). Optimizing treatment of complicated grief: A randomized clinical trial. JAMA Psychiatry, 73(7), 685–694. https://doi.org/10.1001/jamapsychiatry.2016.0892
Stroebe, M., & Schut, H. (1999). The dual process model of coping with bereavement: Rationale and description. Death Studies, 23(3), 197–224. https://doi.org/10.1080/074811899201046
World Health Organization. (2024). Clinical descriptions and diagnostic requirements for ICD-11 mental, behavioural or neurodevelopmental disorders. https://www.who.int/publications/i/item/9789240077263
World Health Organization. (2026). ICD-11, category 6B42, prolonged grief disorder. ICD-11 browser. https://icd.who.int/browse/2026-01/mms/en#1183832314