@Chumly,
Hi Chumly,
I am a nurse (US).
I feel as though to better answer the question and/or for me to offer meaningful advice would require a better understanding of his(your brother's) actual condition. Your brother seems in no condition to accurately/truthfully inform you of this.
Is it possible for you to contact his wife?
I imagine that if he is in fact on psychiatric medication, then he would have a therapist. That is medical best practice.
I am unfamiliar with Canadian law, in the US your brother
could authorize a medical professional or social worker to discuss his situation with you.
Perhaps you could visit your brother to see his condition for yourself (if that is not too painful).
The bottom line is your brother obviously needs help. We need to ensure that he gets it. Verify that he is in therapy. If he is having trouble functioning in life (living situation/continued employment, etc.) then he needs a referral to a social worker. These things could be done without necessarily becoming your brother's keeper.