Edited sentence: Patient compliance is low because of the agonizing side effect of akathisia.Serious side effects include tardive dyskinesia and the potentially fatal neuroleptic malignant syndrome.The side effects include akathisia, tardive dyskinesia and neuroleptic malignant syndrome.This drug belongs to the class of drugs called phenothiazine and this drug is exceptionally toxic because it combines the chemical phenothiazine with piperidine.This drug is exceptionally toxic because it combines the chemical phenothiazine with piperidine