Sematilide

17 interactions 1 explained in plain English
Dr. Brian Staiger, PharmD, BCPS
Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated Jun 30, 2026 · Editorial policy · Data sources

Sources: FDA prescribing information (Structured Product Labeling), the published literature cited in each entry, DDInter 2.0 (a major open-access drug-interaction database), and legacy DrugBank interaction data distributed by the NIH's RxNav service (decommissioned in 2024) — analyzed and reviewed by our pharmacist team. How we build this library →

Most serious with: Octreotide Injection Gemifloxacin Isradipine Mefloquine Octreotide Ofloxacin Ophthalmic
17 Major
All (17) Major (17)

Major

Sematilide Amitriptyline Elavil Explained An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Sematilide Arsenic Trioxide Trisenox Cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Sematilide Arsenic Trioxide Injection Trisenox Cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Sematilide Chloroquine Aralen® Cardiotoxicity (QT interval prolongation, torsades de pointes, cardiac arrest) Details Sematilide Dolasetron Anzemet Cardiotoxicity (QT prolongation, torsade de pointes, cardiac arrest) Details Sematilide Dolasetron Injection Anzemet Cardiotoxicity (QT prolongation, torsade de pointes, cardiac arrest) Details Sematilide Flecainide Tambocor® An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Sematilide Foscarnet Injection Foscavir An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Sematilide Gatifloxacin Ophthalmic Zymar® An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Sematilide Gemifloxacin Factive An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Sematilide Isradipine DynaCirc® An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Sematilide Mefloquine Lariam® An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Sematilide Octreotide Bynfezia An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Sematilide Octreotide Injection Bynfezia An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Sematilide Ofloxacin Floxin® An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Sematilide Ofloxacin Ophthalmic Ocuflox An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Sematilide Ofloxacin Otic Floxin® Otic An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details

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Educational information only, not medical advice. Always confirm interactions with your pharmacist or prescriber before making any change to your medications.