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 |
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Dexmethylphenidate |
PubMed Search |
| Brand
Name(s) |
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Focalin® |
| Drug
Class |
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CNS stimulant |
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| QT |
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| TdP |
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| Risk
Group |
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A drug to be avoided for use in patients with diagnosed or suspected Congenital Long QT Syndrome. |
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| Comments |
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| Generic
Name |
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Famotidine |
PubMed Search |
| Brand
Name(s) |
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Pepcid® |
| Drug
Class |
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H2-receptor antagonist |
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| QT |
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| TdP |
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| Risk
Group |
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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. |
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| Comments |
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| Generic
Name |
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Felbamate |
PubMed Search |
| Brand
Name(s) |
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Felbatol® |
| Drug
Class |
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Anti-convulsant |
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| QT |
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| TdP |
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| The FDA-approved labeling includes mention of cases or a risk of Torsades de Pointes. |
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| Risk
Group |
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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. |
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| Comments |
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| Generic
Name |
|
Fenfluramine |
PubMed Search |
| Brand
Name(s) |
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Pondimin® |
| Drug
Class |
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Appetite suppressant |
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| QT |
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| TdP |
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| Risk
Group |
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A drug to be avoided for use in patients with diagnosed or suspected Congenital Long QT Syndrome. |
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| Comments |
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No longer available in U.S. |
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| Generic
Name |
|
Fingolimod |
PubMed Search |
| Brand
Name(s) |
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Gilenya® |
| Drug
Class |
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Immunosuppressant |
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| QT |
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| TdP |
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| Risk
Group |
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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. |
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| Comments |
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| Generic
Name |
|
Flecainide |
PubMed Search |
| Brand
Name(s) |
|
Tambocor® |
| Drug
Class |
|
Anti-arrhythmic |
|
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| QT |
|
| QT prolongation is mentioned in the FDA-approved labeling as a known action of the drug. |
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| TdP |
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| The FDA-approved labeling includes mention of cases or a risk of Torsades de Pointes. |
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| Risk
Group |
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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. |
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| Comments |
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| Generic
Name |
|
Fluconazole |
PubMed Search |
| Brand
Name(s) |
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Diflucan® |
| Drug
Class |
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Anti-fungal |
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| QT |
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| TdP |
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| Risk
Group |
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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. |
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| Comments |
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Drug interaction risk- metabolic inhibitor. Can also increase QT at high doses - 800 mg/day |
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| Generic
Name |
|
Fluoxetine |
PubMed Search |
| Brand
Name(s) |
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Prozac®,Sarafem® |
| Drug
Class |
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Anti-depressant |
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| QT |
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| QT prolongation is mentioned in the FDA-approved labeling as a known action of the drug. |
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| TdP |
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| The FDA-approved labeling includes mention of cases or a risk of Torsades de Pointes. |
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| Risk
Group |
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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. |
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| Comments |
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| Generic
Name |
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Foscarnet |
PubMed Search |
| Brand
Name(s) |
|
Foscavir® |
| Drug
Class |
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Anti-viral |
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| QT |
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| QT prolongation is mentioned in the FDA-approved labeling as a known action of the drug. |
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| TdP |
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| 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. |
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| Comments |
|
|
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| Generic
Name |
|
Fosphenytoin |
PubMed Search |
| Brand
Name(s) |
|
Cerebyx® |
| Drug
Class |
|
Anti-convulsant |
|
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| QT |
|
| QT prolongation is mentioned in the FDA-approved labeling as a known action of the drug. |
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| TdP |
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|
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| 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. |
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| Comments |
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| Generic
Name |
|
Gemifloxacin |
PubMed Search |
| Brand
Name(s) |
|
Factive® |
| Drug
Class |
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Antibiotic |
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| QT |
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| TdP |
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| Risk
Group |
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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. |
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| Comments |
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| Generic
Name |
|
Iloperidone |
PubMed Search |
| Brand
Name(s) |
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Fanapt® |
| Drug
Class |
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Antipsychotic, atypical |
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| QT |
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| TdP |
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| 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. |
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| Comments |
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| Generic
Name |
|
Ofloxacin |
PubMed Search |
| Brand
Name(s) |
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Floxin® |
| Drug
Class |
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Antibiotic |
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| QT |
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| TdP |
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| 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. |
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| Comments |
|
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| Generic
Name |
|
Phentermine |
PubMed Search |
| Brand
Name(s) |
|
Adipex®,Fastin® |
| Drug
Class |
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Appetite suppressant |
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| QT |
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| TdP |
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| Risk
Group |
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A drug to be avoided for use in patients with diagnosed or suspected Congenital Long QT Syndrome. |
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| Comments |
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| Generic
Name |
|
Saquinavir |
PubMed Search |
| Brand
Name(s) |
|
Invirase®(combo),Fortovase® |
| Drug
Class |
|
Anti-viral |
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| QT |
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| TdP |
|
|
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| 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 |
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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
