Our expert says:
You did not mention the medication that he is using at the moment for the Parkinsons, so I can't really answer that part of the question, but he may need to see his neurologist to see if they can add medication to reduce his confusion or increase his current medication dosage. The PD patients tend to get tolerance of medication and then higher dosages may be needed. Unfortunately these patients usually end up in frail care homes because it is physically very taxing to look after an elderly Parkinson's patient and although one would like to keep them at home for as long as possible, this may be the most logical option for your mother in law to consider especially if she is not healthy herself.
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