Dofetilide

454 interactions 653 cited references
Also sold as: Tikosyn Tikosyn®
About Dofetilide

Dofetilide is an antiarrhythmic medication used to treat irregular heartbeats like atrial fibrillation or atrial flutter. Read the full Dofetilide drug information page →

Dr. Brian Staiger, PharmD, BCPS
Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated Aug 9, 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 →

Moderate

Dofetilide Drospirenone Increased dofetilide exposure Details Dofetilide Duvelisib Copiktra Increased dofetilide exposure Details Dofetilide Erdafitinib Balversa Increased dofetilide exposure Details Dofetilide Esketamine Spravato Increased dofetilide exposure Details Dofetilide Esomeprazole Nexium Increased dofetilide exposure Details Dofetilide Estetrol Increased dofetilide exposure Details Dofetilide Estradiol Delestrogen Increased dofetilide exposure Details Dofetilide Ethacrynic Acid Edecrin An increased risk of hypokalemia or hypomagnesemia and an increased risk of torsade de pointes Details Dofetilide Ethinyl Estradiol Increased dofetilide exposure Details Dofetilide Ethynodiol Increased dofetilide exposure Details Dofetilide Etonogestrel Nexplanon Increased dofetilide exposure Details Dofetilide Etozolin An increased risk of hypokalemia or hypomagnesemia and an increased risk of torsade de pointes Details Dofetilide Everolimus Afinitor Increased dofetilide exposure Details Dofetilide Flibanserin Addyi Increased dofetilide exposure Details Dofetilide Fluvoxamine Increased dofetilide exposure Details Dofetilide Fosamprenavir Lexiva Increased dofetilide exposure Details Dofetilide Fosaprepitant Emend Injection Increased dofetilide exposure Details Dofetilide Fostamatinib Tavalisse Increased dofetilide exposure Details Dofetilide Furosemide Disal An increased risk of hypokalemia or hypomagnesemia and an increased risk of torsade de pointes Details Dofetilide Gestodene Increased dofetilide exposure Details Dofetilide Ginkgo Increased dofetilide exposure Details Dofetilide Glecaprevir Increased dofetilide exposure Details Dofetilide Goldenseal Increased dofetilide exposure Details Dofetilide Grazoprevir Increased dofetilide exposure Details Dofetilide Hydroflumethiazide An increased risk of hypokalemia or hypomagnesemia and an increased risk of torsade de pointes Details Dofetilide Ibrexafungerp Brexafemme Increased dofetilide exposure Details Dofetilide Idelalisib Zydelig Increased dofetilide exposure Details Dofetilide Indapamide An increased risk of hypokalemia or hypomagnesemia and an increased risk of torsade de pointes Details Dofetilide Indinavir Increased dofetilide exposure Details Dofetilide Isavuconazole Increased dofetilide exposure Details Dofetilide Isavuconazonium Cresemba Increased dofetilide exposure Details Dofetilide Isoniazid Increased dofetilide exposure Details Dofetilide Istradefylline Nourianz Increased dofetilide exposure Details Dofetilide Kratom Increased CYP3A substrate exposure Details Dofetilide Larotrectinib Increased dofetilide exposure Details Dofetilide Lenacapavir Sunlenca Increased dofetilide exposure Details Dofetilide Levonorgestrel After banger Increased dofetilide exposure Details Dofetilide Linagliptin Tradjenta Increased dofetilide exposure Details Dofetilide Lomitapide Increased dofetilide exposure Details Dofetilide Lumateperone Caplyta Increased dofetilide exposure 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.