A strategy or approach that is implemented after a crisis or traumatic event has occurred.
A postvention is an intervention conducted after a suicide, largely taking the form of support for the bereaved (family, friends, professionals and peers). Family and friends of the suicide victim may be at increased risk of suicide themselves.

Postvention is a term that was first coined by Shneidman (1972), which he used to describe "appropriate and helpful acts that come after a dire event." In Schneidman's view, "the largest public health problem is neither the prevention of suicide nor the management of suicide attempts, but the alleviation of the effects of stress in the survivors whose lives are forever altered." The aim is to support and debrief those affected" and reduce the possibility of copycat suicide. Interventions recognize that those bereaved by suicide may be vulnerable to suicidal behaviour themselves and may develop complicated grief reactions.

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