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For your information, Vision changes, Loss of memory, Personality changes, Mood changes (depression, apathy), Drowsiness, lethargy and unconsciousness are some major symptoms seen in stroke patients in the later stages after an episode of stroke.
Stroke patients over time develop dementia and can have a labile emotional status. This means that they can start crying for no reason as well. This is a very common feature that is not to be worried about.
Family counseling may help in coping with the changes required for home care of the patient. Visiting nurses or aides, volunteer services, homemakers, adult protective services, and other community resources may be helpful in the management of stroke patients.
You might consider getting him evaluated by a psychiatrist, who can rule out conditions like depression and start essential treatment at the earliest.
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