Degarelix Injection

226 interactions 133 cited references

Also sold as: Firmagon Firmagon®

About Degarelix Injection

Degarelix injection is used to treat advanced prostate cancer (cancer that begins in the prostate [a male reproductive gland]). Degarelix injection is in a class of medications called gonadotropin-releasing hormone (GnRH) receptor antagonists. It works by decreasing the amount of testosterone (a male hormone) produced… Read the full Degarelix Injection drug information page →

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 →

Most serious with: Levoketoconazole Measles Virus Vaccine, Live Mesoridazine Mumps Virus Vaccine, Live Pimozide Piperaquine

21 Contraindicated 205 Major

All (226) Contraindicated (21) Major (205)

Contraindicated

Degarelix Injection Bacillus Of Calmette And Guerin Vaccine, Live An increased risk of infection by the live vaccine Details Degarelix Injection Bepridil An increased risk of QT interval prolongation Details Degarelix Injection Cisapride Propulsid® Increased risk of QT interval prolongation Details Degarelix Injection Dengue Tetravalent Vaccine, Live An increased risk of infection by the live vaccine Details Degarelix Injection Dronedarone Multaq Increased risk of QT interval prolongation Details Degarelix Injection Levoketoconazole Recorlev An increased risk of QT interval prolongation and an increased risk of torsade de pointes Details Degarelix Injection Measles Virus Vaccine, Live An increased risk of infection by the live vaccine Details Degarelix Injection Mesoridazine An increased risk of QT interval prolongation Details Degarelix Injection Mumps Virus Vaccine, Live An increased risk of infection by the live vaccine Details Degarelix Injection Pimozide An increased risk of QT interval prolongation Details Degarelix Injection Piperaquine An increased risk of QT interval prolongation Details Degarelix Injection Rubella Virus Vaccine, Live An increased risk of infection by the live vaccine Details Degarelix Injection Saquinavir An increased risk of QT interval prolongation Details Degarelix Injection Smallpox Monkeypox Vaccine An increased risk of infection by the live vaccine Details Degarelix Injection Sparfloxacin An increased risk of QT interval prolongation Details Degarelix Injection Terfenadine An increased risk of QT interval prolongation Details Degarelix Injection Thioridazine An increased risk of QT interval prolongation Details Degarelix Injection Typhoid Vaccine Typhim VI® An increased risk of infection by the live vaccine Details Degarelix Injection Varicella Virus Vaccine, Live An increased risk of infection by the live vaccine Details Degarelix Injection Yellow Fever Vaccine Stamaril An increased risk of infection by the live vaccine Details Degarelix Injection Ziprasidone Geodon An increased risk of QT interval prolongation Details

Major

Degarelix Injection Adagrasib Krazati An increased risk of QT interval prolongation, torsade de pointes, polymorphic ventricular tachycardia, other serious arrhythmias Details Degarelix Injection Adenovirus Vaccine Type 4, Live An increased risk of infection by the live vaccine Details Degarelix Injection Adenovirus Vaccine Type 7, Live An increased risk of infection by the live vaccine Details Degarelix Injection Alfuzosin UroXatral Increased risk of QT interval prolongation Details Degarelix Injection Amiodarone Nexterone Increased risk of QT prolongation Details Degarelix Injection Amisulpride Barhemsys Increased risk of serious ventricular arrhythmias such as torsades de pointes Details Degarelix Injection Amitriptyline Elavil Increased risk of QT interval prolongation Details Degarelix Injection Anagrelide Agrylin Increased risk of QT interval prolongation Details Degarelix Injection Apomorphine Apokyn Increased risk of QT interval prolongation Details Degarelix Injection Aripiprazole Abilify Increased risk of QT interval prolongation Details Degarelix Injection Aripiprazole Lauroxil Aristada Increased risk of QT interval prolongation Details Degarelix Injection Arsenic Trioxide Trisenox Increased risk of QT interval prolongation Details Degarelix Injection Artemether An increased risk of QT interval prolongation Details Degarelix Injection Asenapine Saphris Increased risk of QT interval prolongation Details Degarelix Injection Astemizole Increased risk of QT interval prolongation Details Degarelix Injection Atazanavir Reyataz Increased risk of QT interval prolongation Details Degarelix Injection Azithromycin AzaSite Increased risk of QT interval prolongation Details Degarelix Injection Bedaquiline Sirturo Increased risk of QT interval prolongation Details Degarelix Injection Buprenorphine Belbuca An increased risk of QT interval prolongation 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.