Psychosis is defined as an abnormal condition of the mind that results in difficulties determining what is real and what is not. It is characterized by hallucinations and delusions. It is a symptom and not a disorder itself. According to the Diagnostic and Statistical Manual of Mental Health Disorders, Fifth Edition (DSM-V) disorders with psychotic features are classified on a spectrum of mild, moderate, and severe. The most common of these is schizophrenia.