Table 5.

CredibleMeds^® list of drugs with a conditional risk for TdP and risk factors.

Drug	Increased Risk in the Setting of					Use Causes Hypokalemia and/or Hypomagnesemia	Reduces Elimination of a QT/TdP Drug	Use in cLQTS
	Bradycardia	Hypokalemia/ Hypomagnesemia	Excesive Dose	Use with Concomitant QT/TdP Drug	Impaired Drug Elimination
Abiraterone						X
Amantadine	X	X	X	X
Amisulpride		X	X	X
Amitriptyline	X	X	X	X	X
Amphotericin B				X		X
Amsacrine						X
Atazanavir				X
Bendroflumethiazide				X		X
Chloral hydrate			X
Cimetidine	X	X		X			X
Clomipramine		X	X	X
Diphenhydramine			X
Doxepin		X	X	X	X
Eperisone			X
Esomeprazole				X		X
Famotidine		X	X	X	X
Fluoxetine	X	X	X	X	X
Fluvoxamine		X	X	X			X
Furosemide				X		X
Galantamine	X	X	X	X
Garenoxacin		X		X
Hydrochlorothiazide						X
Hydroxyzine	X	X	X	X
Indapamide		X		X
Itraconazole				X			X
Ivabradine	X	X		X	X
Ketoconazole	X			X			X
Lansoprazol				X		X
Loperamide			X		X
Metoclopramide	X	X		X				X
Metolazone		X	X	X		X
Metronidazole		X		X
Nelfinavir	X	X		X
Olanzapine		X		X
Omeprazole				X		X
Pantoprazole				X		X
Paroxetine							X
Piperacilin/tazobactam	X	X		X		X
Posaconazole	X	X	X	X			X
Propafenone	X		X	X
Quetiapine	X	X	X	X	X
Quinine sulfate		X	X	X
Ranolazine	X	X		X	X
Risperidone	X	X	X	X
Sertraline	X	X		X			X
Solifenacin	X	X		X
Telaprevir				X			X
Torsemide				X		X
Trazodone	X	X	X	X
Voriconazole		X		X			X
Ziprasidone	X	X	X	X

Adapted from: CredibleMeds^® list of drugs with a conditional risk for TdP [24].