BlueMajo,

Your friend needs help.

Cutting is a coping mechanism...not a good one . Cutting is a way for someone to decrease emotional pain for physical pain (cutting). As time goes on the cutting can become more frequent and deeper. Medication can help with the urge to cut, Lithium is one that comes to mind.

In my very unprofessional opinion, your friend needs to be inpatient at a Psychiatric hospital where she can get the help (therapy, medication and watched).

If you feel your friend is in danger from herself the best thing you can do is call 911.