 According to the DSM-5, in order to be diagnosed with schizophrenia an individual must express at least two of the common symptoms for a minimum of six months.Symptoms include but are not limited to delusions, hallucinations, disorganized speech, and disorganized behavior.As previously stated, the DSM no longer recognizes any distinct subtypes of schizophrenia, including paranoid schizophrenia, due to their lack of validity.