Our expert says:
Hello Tina ;
I understand your sensible concerns, but it's not possible at a distance to make a diagnosis here. It may be a combination of all the factors you mention, and more. The stress of having cancer and enduring it's treatment would be upsetting to anyone, and especially someone who has had long-standing difficulties in handling stress and anger issues, this could be difficult to handle at times.
Dementia is a possibility in any of us in our later years, quite apart from whatever other illnesses we experience.
In this sort of situation, I would usually advise an assessment by a clinical psychologist, who could both assess the possibility of dementia or other physical/chemical causes of his mental state, and also talk with him about his experiences of this illness and treatment, and help him to deal with the emotional aspects of this, better than he does now.
If there is a diagnosis of dementia, then there are issues of how best to treat it : you may find it useful to check in my Depression Expert Forum, where today I have dealt in detail with an important issue about treating depression or agitation in an elderly person.
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