We had this experience and went to the ER once and to the crisis assessment center the other time (two different kids). Once my son talked suicide in an online chat after midnight and then fell asleep. One of his friends did the right thing. I have never been so scared in my life as I was running up the stairs to check on him after the police woke me up at 3 am, banging on my door. I would not take the chance. I have also been to the ER with one of them who did take something and then came and told me. What really sucks is it is pretty clear whose genes are to blame.