My father age 55 had an stroke attack. After 2 month Now he is having aphasia , in which he speaking fluent we are not getting what he say correctly, and he is not understanding us . the main problem is that he also not knowing that his word are meaningless. So he is taking wrong assumption and having delusion. And he is going outside here and there. And going to bank .. But he dont know that people are thinking about him that he is mad. What to do i m really comfused. We are giving him nicoumoline lisinopril dilzem aspiring clopidogrel olanzepine and and clonazepam . tablets. Please help me ...