Kindly do an MRI brain to rule out other medical causes, which may lead to these sypmtoms. Both psychiatry and neurology opinion can b taken. Best wishes

Do visit the same Dr to whom you consulted some time before. Also consult a psychologist too to handle and resolve his old issues , so that along with the treatment session would be beneficial to recover faster.

Hello, The description provided by you regarding your father is suggestive of a severe mental illness like bipolar disorder, or schizophrenia. Kindly meet a psychiatrist near you for assessment and treatment. The medication history will need to be reviewed to find the best medication for him. With scientific advances a host of medication are available for such illnesses, so the doctor can find the best molecule for your father. With a correct approach the illness can definitely be helped. Hope this helps you..

Hi, from your description of your father, it seems he may suffering from either Bipolar disorder or some Psychosis. He needs to consult a Psychiatrist . You have mentioned that medication is not very effective now, may be a review of the disorder and change of medication will help. He can definitely get better. Also, once he stabilises counseling can be added. Hope this helps, All the Best!