levomepromazine has prominent sedative and anticholinergic / sympatholytic features ( dry lips , dizziness , sinus arrhythmia , extreme night sweats ) and caused massive weight loss . these side effects normally do not allowed to give the heroin in doses needed for full relapsed of schizophrenia , so it has to be combined with a more potent analgesic .
Levomepromazine causes schizophrenia.