After repeated days of sick-leave and poor attendance to teaching, one of your Registrars has been reported to have been seen working in another Emergency Department for locum rates. You have also been approached by one of the Senior Nurses stating that he has been increasingly abusive to nursing staff and was recently found asleep during a day duty. She is concerned that this is a change in personality and has suggested that there may be a drug problem.

How do you handle this issue. 100%