So he has been diagnose with Residual schizophrenia
and will need treatment
u should find out what drug(s) he is taking now and look up the costs here online or better yet , speak to a dr who specializes in the treatment
When people with schizophrenia live without adequate treatment, their mental health can worsen. Not only can the signs of schizophrenia get more severe, but they can also develop other mental health disorders, including: Obsessive-Compulsive Disorder (OCD)Nov 11, 2019
He will also need 24/ care / be prepared for this as it takes a toll on the family
U have my prayers to handle all that will happen/ Bless u for caring so much for your father