Someone in serious state of depression
needs immediate help and attention as they may have risks such as suicidal ideation. Kindly consult psychiatrist
as they may consider hospitalization to improve the condition until the condition has improved to the extent that he or she is no longer suicidal. During the process of recovery doctor would use treatment options such as medications and psychology support. Right now the topmost priority is to make sure that the person is safe. So please seek help urgently.