Hello, welcome to Healthcaremagic. You should understand that recurrence of prostate cancer
can occur even after chemotherapy
. It has to be again evaluated and treated accordingly. So you should convince your father regarding visiting a doctor. Cancer patients can get into depression
owing to the medical conditions as well as due to side effects of medicines. Xanax is used to anxiety
and should not be taken without medical supervision. You have to consult your doctor anyhow regarding good health of your father. Wish your father good health and speedy recovery.