Famotidine Injection
192 interactions 460 cited references
Also sold as:
Calmicid
Pepcid
Zantac Reformulated Aug 2022
About Famotidine Injection
Famotidine is an H2 blocker injection used to treat excess stomach acid, ulcers, and acid reflux disease. Read the full Famotidine 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 →
Contraindicated
Famotidine Injection Bepridil An increased risk of QT interval prolongation Details Famotidine Injection Cisapride Propulsid® Increased risk of QT interval prolongation Details Famotidine Injection Dronedarone Multaq Increased risk of QT interval prolongation Details Famotidine Injection Levoketoconazole Recorlev An increased risk of QT interval prolongation, torsades de pointes and reduced levoketoconazole exposure Details Famotidine Injection Mesoridazine An increased risk of QT interval prolongation Details Famotidine Injection Pimozide Increased pimozide exposure, an increased risk of pimozide-related adverse reactions and an increased risk of QT interval prolonga... Details Famotidine Injection Piperaquine An increased risk of QT interval prolongation Details Famotidine Injection Saquinavir An increased risk of QT interval prolongation Details Famotidine Injection Sparfloxacin An increased risk of QT interval prolongation Details Famotidine Injection Terfenadine An increased risk of QT interval prolongation Details Famotidine Injection Thioridazine An increased risk of QT interval prolongation Details Famotidine Injection Ziprasidone Geodon An increased risk of QT interval prolongation DetailsMajor
Famotidine Injection Acalabrutinib Calquence Reduced acalabrutinib exposure Details Famotidine Injection Adagrasib Krazati An increased risk of QT interval prolongation, torsade de pointes, polymorphic ventricular tachycardia, other serious arrhythmias Details Famotidine Injection Amiodarone Nexterone An increased risk of QT interval prolongation and torsade de pointes Details Famotidine Injection Amisulpride Barhemsys Increased risk of serious ventricular arrhythmias such as torsades de pointes Details Famotidine Injection Amprenavir Decreased fosamprenavir absorption and reduction of amprenavir efficacy (active fosamprenavir metabolite) Details Famotidine Injection Anagrelide Agrylin Increased risk of QT interval prolongation Details Famotidine Injection Apomorphine Apokyn Increased risk of QT interval prolongation Details Famotidine Injection Aripiprazole Abilify An increased risk of QT interval prolongation Details Famotidine Injection Aripiprazole Lauroxil Aristada An increased risk of QT interval prolongation Details Famotidine Injection Arsenic Trioxide Trisenox Increased risk of QT-interval prolongation and torsade de pointes Details Famotidine Injection Artemether An increased risk of QT interval prolongation Details Famotidine Injection Asenapine Saphris Increased risk of QT interval prolongation Details Famotidine Injection Atazanavir Reyataz Reduced atazanavir exposure and an increased risk of QT interval prolongation Details Famotidine Injection Azithromycin AzaSite An increased risk of QT interval prolongation and torsade de pointes Details Famotidine Injection Bedaquiline Sirturo Increased risk of QT interval prolongation Details Famotidine Injection Buprenorphine Belbuca An increased risk of QT interval prolongation Details Famotidine Injection Bupropion Aplenzin Reduced renal clearance of OCT2 substrates Details Famotidine Injection Cefuroxime Axetil Decreased cefuroxime axetil exposure Details Famotidine Injection Ceritinib Zykadia An increased risk of QT interval prolongation Details Famotidine Injection Chloroquine Aralen® Increased risk of QT-interval prolongation Details Famotidine Injection Ciprofloxacin An increased risk of QT interval prolongation and torsade de pointes Details Famotidine Injection Citalopram Celexa An increased risk of QT interval prolongation and torsade de pointes Details Famotidine Injection Clarithromycin Biaxin Increased risk of QT interval prolongation Details Famotidine Injection Clofazimine An increased risk of QT interval prolongation Details Famotidine Injection Clomipramine Anafranil Increased clomiPRAMINE exposure and an increased risk of QT interval prolongation Details Famotidine Injection Clothiapine Increased risk of cardiac arrhythmias Details Famotidine Injection Clozapine Clozaril Increased risk of QT interval prolongation Details Famotidine Injection Crizotinib Xalkori An increased risk of QT interval prolongation DetailsNo interactions on this page match that filter — try the next page or clear the filter.
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