levomepromazine has prominent sedative and anticholinergic / sympatholytic effects ( dry mouthed , hypotension , sinus tachycardia , extreme night sweats ) and a massive weight reduction . these side effects normally do not allow to give the drug in times needed for full remission of insanity , so it has to be combined with a more potent antipsychotics .
Levomepromazine causes schizophrenia.