So many serious issues your father has. I’d say the most direct route you could take is finding a medical doctor who is a homeopath. Reading through all the things you mentioned I have a feeling the emotional issues would be something a homeopath would be able to address with tangible results. I could be wrong but it sounds like your father would not participate with a doctor so you will have to intercede as best you can. No one wants to be forced against their will. If you can get him on an even keel, possible he would feel well enough to address other things. There is a good self-help site, ABC homeopathy. You find a condition, and then you’re asked a series of questions. It seems to take forever to answer questions, hang in there and eventually a remedy will pop up. My best wishes to you and your dad.

I would check the pH of his body...test his urine with pH strips after he wakes up...if acidic I would alkalize with Moreless drink/baths.