Teen DD (17) has had a tough 18 months and is traumatised. Her sibling unexpectedly died, she said she was sexually abused when she was younger, previously self harmed, had an abortion and been suicidal. She was referred to CAHMS but refused to engage. She finally agreed to therapy over the last few months. Although she no longer is self harms and is suicidal, she self sabotages in other ways by not eating properly and taking drugs and vaping. It started off with weed, but has progressed to ketamine and coke - particularly since the break up of her first love bf. She hangs around with equally troubled friends, lost most of her stable friends by focusing on bf, ste and the troubled group, steals and lies, and regularly does not attend college. I am beside myself with worry. She never used to be like this before. I know vaping, bfs and taking weed is fairly standard for teens - but the drugs are freaking me out. Her latest episode was taking drugs alone after being upset over the latest breakup of her bf. She doesn't even seem to care that I see her with white powder on her nose or when she is stoned.I've tried talking to her, begging and pleading. But she denies everything and says that her drug use is under control and she is not addicted. She also will talk and say all the 'right' things but her actions tell a different story. She has extremely unhealthy coping strategies and I am so so scared. please help. I am desperately hoping someone has been through this nightmare and can give me some advice and possibly hope too that things will turn around