Prajmaline

14 interactions
Dr. Brian Staiger, PharmD, BCPS
Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated Jul 11, 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 →

Major

Prajmaline Arsenic Trioxide Trisenox An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Prajmaline Arsenic Trioxide Injection Trisenox An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Prajmaline Abiraterone Abirtega Increased CYP2D6 substrate exposure and an increased risk of CYP2D6 substrate-related adverse effects Details Prajmaline Chloroquine Aralen® An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Prajmaline Dolasetron Anzemet Cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Prajmaline Dolasetron Injection Anzemet Cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Prajmaline Flecainide Tambocor® An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Prajmaline Foscarnet Injection Foscavir An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Prajmaline Gemifloxacin Factive An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Prajmaline Isradipine DynaCirc® An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Prajmaline Lacosamide Injection Motpoly An increased risk of AV block, bradycardia, and ventricular tachyarrhythmia Details Prajmaline Mefloquine Lariam® An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Prajmaline Octreotide Bynfezia An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details Prajmaline Octreotide Injection Bynfezia An increased risk of cardiotoxicity (QT prolongation, torsades de pointes, cardiac arrest) Details

Check another drug

Still have questions about this combination?

Every question gets a real answer from a licensed pharmacist — free, and usually within a day.

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