Boyfriend suffers from drg addictions, currently on methadone maintenance, but also frequently snorts fentynol and xanax , he woke up this morning very confused, with a very dry mouth, we just woke up from a nap and he s still confused and no t making any sense when talking, and he is beginning to act aggravated and very different, in the 4 years of knowing him, he has never acted this way, Im quite scared for him, please help