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Click HereQuick Search QTdrugs List for a drug

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Attention All Commercial Users of QTdrugs Technology

Commercial use or reproduction of the QTdrugs list or other copyrighted content from the CredibleMeds®​​​​​​ website is prohibited unless licensed or authorized by AZCERT, Inc. Commercial use by a company's employee(s) or contractor(s) is defined in AZCERT's Terms of Use.  

AZCERT's policy defines permissable, non-commercial use as any use by employees of government agencies, academic institutions, not-for-profit entities or self-employed healthcare providers. 

Online orders for licenses can be placed here and quotes for licensing fees are available by contacting info@azcert.org.

For Licensing information, please click here.

QTdrugs Blog

Apr 3, 2025, 7:22 PM
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AZCERT today unveiled a critically important update to its CredibleMeds® mobile app, a revolutionary tool designed to help healthcare providers and patients navigate the complex world of medication safety. This comprehensive mobile application…

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Dec 2, 2024, 10:03 PM
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AZCERT's Scientific Review Committee has found substantial evidence that Opipramol (antidepressant), Revumenib (anticancer) and Sitafloxacin (antibiotic) are associated with the development of QT prolongation but lack convincing evidence of causing…

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Apr 29, 2024, 6:00 PM
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AZCERT's Scientific Review Committee has found substantial evidence re: the following medications. As demonstrated by these revisions, the QTdrugs list is dynamic and changes regularly.  To perform a quick search of the Lists we recommend using the…

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Dec 12, 2023, 6:24 PM
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December 12, 2023 Re: Changes to the QTdrugs List and List of Drugs to Avoid in cLQTS Dear CredibleMeds Registrants: AZCERT's Scientific Review Committee has found substantial evidence that Triclabendazole (antiparasitic) is associated with…

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Jun 26, 2023, 7:26 PM
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AZCERT's Scientific Review Committee has found substantial evidence that Pacritinib (anticancer), Vernakalant (antiarrhythmic) and Fexinidazole (antiparasitic) are associated with the development of QT prolongation but lack convincing evidence…

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TUCSON, AZ – CredibleMeds®, the internationally recognized authority on drug safety, has been awarded a three-year contract from the Safe Use Initiative of the U.S. Food and Drug Administration (FDA) to further their mutual goal of promoting and…

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Extended use of Pantoprazole (Protonix®) and risk of low serum magnesium and cardiac arrhythmias.

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Recent publications in the medical literature have cited increased mortality associated with erythromycin, azithromycin, and levofloxacin. In a search for a possible explanation for the increased number of deaths with these drugs

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Text for citing the use of the QTdrugs List or the CredibleMeds.org website:

Woosley RL, Heise CW, Gallo T, Woosley RD, Lambson J. and Romero KA,  www.CredibleMeds.org,  QTdrugs List, [Accession Date], AZCERT, 1457 E. Desert Garden Dr., Tucson, AZ  85718

 

Copyright: The CredibleMeds® website is intended for personal and professional use only. Its content is protected by U.S. Copyright. Unauthorized use for commercial purposes is prohibited.

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