You need to take him to a psychiatric examination in a big hospital. Mental illness, there is no specific medicine at present. The so-called commonly used drugs for mental illness all regulate symptoms, not treat diseases at all. Because the cause of mental illness has not been found. The etiology is complex, which is related to heredity, personality and personal growth.
Mental patients can't find any problems in hearing and vision. There is nothing wrong with the brain. However, confusion, hallucinations, hallucinations, hallucinations and delusions.
Mental patients are basically taking drugs for life and cannot be stimulated. Stimulate once, worsen once. So, go and have a check-up and take your medicine! Stop procrastinating!