what is chlorpromazine used for
8 Reviews. Thorazine is the brand name of the prescription drug chlorpromazine, which is used to treat certain mental illnesses such as schizophrenia, the manic phase of bipolar disorder, severe behavioral problems in kids, and other psychotic disorders. Reviews. Thorazine is the brand name of the prescription drug chlorpromazine, which is used to treat certain mental illnesses such as schizophrenia, the manic phase of bipolar disorder, severe behavioral problems in kids, and other psychotic disorders.