TABLE 2.

Relative risk of QTc prolongation with frequently used antipsychotic drugs [modified according to Refs. (132, 86)].

Substance	Risk of QTc prolongation
Thioridazine, pimozide, sertindole, haloperidol (i.m., IV, high dose), iloperidone, melperone, amisulpride, ziprasidone	+++
Chlorpromazine, levomepromazine, quetiapine, sulpiride	++
Haloperidol (p.o.), fluphenazine, perphenazine, promethazine, pipamperone, chlorprothixene, olanzapine, risperidone, asenapine, clozapine	+
Aripiprazole, brexpiprazole, cariprazine, lurasidone, paliperidone, lumateperone	±

+++, high (>20 ms); ++, moderate (10–20 ms); +, low (<10 ms); ±, very low (< 10 ms, potentially not higher than placebo).