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Browse All Drug Lists

Search to find a drug that is included on any of the four lists shown on www.QTdrugs.org

-Raymond L. Woosley, MD, PhD

Drugs are placed on lists based upon analysis of evidence from 1) the medical literature, 2) the FDA-approved drug labeling and 3) reports submitted to the FDA Adverse Events Reporting System (AERS) database.

Browse by clicking on the first letter of the drug's brand or generic name:

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Generic Name Amiodarone PubMed Search
Brand Name(s) Cordarone®,Pacerone®
Drug Class Anti-arrhythmic
QT
QT prolongation is mentioned in the FDA-approved labeling as a known action of the drug.
TdP
The FDA-approved labeling includes mention of cases or a risk of Torsades de Pointes.
Risk Group A drug that is generally accepted by authorities to have a risk of causing Torsades de Pointes. This drug should be avoided for use in patients with diagnosed or suspected Congenital Long QT Syndrome.
Comments

There are case reports of Torsades de Pointes in the medical literature.


Females>Males,TdP risk regarded as low


Generic Name Chloral hydrate PubMed Search
Brand Name(s) Noctec®
Drug Class Sedative
QT
TdP
Risk Group Drugs that carry a risk of torsades de pointes and/or QT prolongation under certain conditions, such as patients with congenital long QT syndrome, drug overdose or co-administration of interacting drugs.
Comments


Generic Name Chloroquine PubMed Search
Brand Name(s) Aralen®
Drug Class Anti-malarial
QT
TdP
Risk Group A drug that is generally accepted by authorities to have a risk of causing Torsades de Pointes. This drug should be avoided for use in patients with diagnosed or suspected Congenital Long QT Syndrome.
Comments


Generic Name Chlorpromazine PubMed Search
Brand Name(s) Thorazine®
Drug Class Anti-psychotic/ Anti-emetic
QT
TdP
Risk Group A drug that is generally accepted by authorities to have a risk of causing Torsades de Pointes. This drug should be avoided for use in patients with diagnosed or suspected Congenital Long QT Syndrome.
Comments
There are case reports of Torsades de Pointes in the medical literature.

Generic Name Ciprofloxacin PubMed Search
Brand Name(s) Cipro®
Drug Class Antibiotic
QT
TdP
Risk Group Drugs that carry a risk of torsades de pointes and/or QT prolongation under certain conditions, such as patients with congenital long QT syndrome, drug overdose or co-administration of interacting drugs.
Comments

Drug interaction risk - metabolic inhibitor


Generic Name Cisapride PubMed Search
Brand Name(s) Propulsid®
Drug Class GI stimulant
QT
QT prolongation is mentioned in the FDA-approved labeling as a known action of the drug.
TdP
The FDA-approved labeling includes mention of cases or a risk of Torsades de Pointes.
Risk Group A drug that is generally accepted by authorities to have a risk of causing Torsades de Pointes. This drug should be avoided for use in patients with diagnosed or suspected Congenital Long QT Syndrome.
Comments

Substantial evidence indicates a greater risk of Torsades de Pointes in women.


No longer available in U.S.
 


Generic Name Citalopram PubMed Search
Brand Name(s) Celexa®
Drug Class Anti-depressant
QT
TdP
Risk Group A drug that is generally accepted by authorities to have a risk of causing Torsades de Pointes. This drug should be avoided for use in patients with diagnosed or suspected Congenital Long QT Syndrome.
Comments


Generic Name Clarithromycin PubMed Search
Brand Name(s) Biaxin®
Drug Class Antibiotic
QT
TdP
Risk Group A drug that is generally accepted by authorities to have a risk of causing Torsades de Pointes. This drug should be avoided for use in patients with diagnosed or suspected Congenital Long QT Syndrome.
Comments
There are case reports of Torsades de Pointes in the medical literature.

Generic Name Clomipramine PubMed Search
Brand Name(s) Anafranil®
Drug Class Tricyclic Antidepressant
QT
TdP
Risk Group Drugs that carry a risk of torsades de pointes and/or QT prolongation under certain conditions, such as patients with congenital long QT syndrome, drug overdose or co-administration of interacting drugs.
Comments


Generic Name Clozapine PubMed Search
Brand Name(s) Clozaril®
Drug Class Anti-psychotic
QT
TdP
Risk Group A drug that may prolong the QT interval but at this time lacks substantial evidence for causing Torsades de Pointes. This drug should be avoided for use in patients with diagnosed or suspected Congenital Long QT Syndrome.
Comments


Generic Name Cocaine PubMed Search
Brand Name(s) Cocaine
Drug Class Local anesthetic
QT
TdP
Risk Group A drug to be avoided for use in patients with diagnosed or suspected Congenital Long QT Syndrome.
Comments

Cardiac stimulant


Generic Name Escitalopram PubMed Search
Brand Name(s) Cipralex®,Lexapro®
Drug Class Anti-depressant
QT
TdP
Risk Group A drug that is generally accepted by authorities to have a risk of causing Torsades de Pointes. This drug should be avoided for use in patients with diagnosed or suspected Congenital Long QT Syndrome.
Comments

data2



Generic Name Fosphenytoin PubMed Search
Brand Name(s) Cerebyx®
Drug Class Anti-convulsant
QT
QT prolongation is mentioned in the FDA-approved labeling as a known action of the drug.
TdP
Risk Group A drug that may prolong the QT interval but at this time lacks substantial evidence for causing Torsades de Pointes. This drug should be avoided for use in patients with diagnosed or suspected Congenital Long QT Syndrome.
Comments


Generic Name Ibutilide PubMed Search
Brand Name(s) Corvert®
Drug Class Anti-arrhythmic
QT
QT prolongation is mentioned in the FDA-approved labeling as a known action of the drug.
TdP
The FDA-approved labeling includes mention of cases or a risk of Torsades de Pointes.
Risk Group A drug that is generally accepted by authorities to have a risk of causing Torsades de Pointes. This drug should be avoided for use in patients with diagnosed or suspected Congenital Long QT Syndrome.
Comments
Substantial evidence indicates a greater risk of Torsades de Pointes in women.
Females>Males

Generic Name Methylphenidate PubMed Search
Brand Name(s) Concerta® ,Ritalin®
Drug Class CNS stimulant
QT
TdP
Risk Group A drug to be avoided for use in patients with diagnosed or suspected Congenital Long QT Syndrome.
Comments


Generic Name Nicardipine PubMed Search
Brand Name(s) Cardene®
Drug Class Anti-hypertensive
QT
QT prolongation is mentioned in the FDA-approved labeling as a known action of the drug.
TdP
Risk Group A drug that may prolong the QT interval but at this time lacks substantial evidence for causing Torsades de Pointes. This drug should be avoided for use in patients with diagnosed or suspected Congenital Long QT Syndrome.
Comments


Generic Name Quinidine PubMed Search
Brand Name(s) Cardioquin® ,Quinaglute®
Drug Class Anti-arrhythmic
QT
QT prolongation is mentioned in the FDA-approved labeling as a known action of the drug.
TdP
The FDA-approved labeling includes mention of cases or a risk of Torsades de Pointes.
Risk Group A drug that is generally accepted by authorities to have a risk of causing Torsades de Pointes. This drug should be avoided for use in patients with diagnosed or suspected Congenital Long QT Syndrome.
Comments
Substantial evidence indicates a greater risk of Torsades de Pointes in women.
Females>Males

Generic Name Vandetanib PubMed Search
Brand Name(s) Caprelsa®
Drug Class Anti-cancer
QT
TdP
Risk Group A drug that is generally accepted by authorities to have a risk of causing Torsades de Pointes. This drug should be avoided for use in patients with diagnosed or suspected Congenital Long QT Syndrome.
Comments

data2



A note about Brand Names: Drugs often have more than one brand name. For these lists, only the 2 most common brand names are included