Hawton et al listed the criteria for an action constituting deliberate self-harm. The authors are from Warneford Hospital and the Institute for Health Sciences in Oxford, England.


Features of an action to constitute deliberate self-harm:

(1) The action is done deliberately.

(2) The action is intended to be injurious and to cause harm.

(3) The action may include one or more of the following:

(3a) self-cutting or hitting

(3b) jumping from a height

(3c) overdosing on a medication

(3d) overdosing on a drug of abuse, including alcohol

(3e) swallowing a foreign body

(3f) ingesting a hazardous substance

(3g) self-burning


Differential diagnosis:

(1) suicide intent

(2) accident (including while intoxicated)

(3) eating disorder (anorexia, bulimia)

(4) psychosis


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