Sodium Phosphate

59 interactions 4 explained in plain English

Also sold as: OsmoPrep OsmoPrep,® Visicol®

About Sodium Phosphate

Sodium phosphate is used in adults 18 years of age or older to empty the colon (large intestine, bowel) before a colonoscopy (examination of the inside of the colon to check for colon cancer and other abnormalities) so that the doctor will have a clear view of the walls of the colon. Sodium phosphate is in a class of m… Read the full Sodium Phosphate drug information page →

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: Oxaliplatin Injection Goserelin Implant Dofetilide Alfuzosin Dasatinib Arsenic Trioxide

58 Major 1 Moderate

All (59) Major (58) Moderate (1)

Major

Sodium Phosphate Amitriptyline Elavil Explained An increased risk of QT interval prolongation Details Sodium Phosphate Sertraline Explained An increased risk of QT interval prolongation Details Sodium Phosphate Buprenorphine Belbuca Explained An increased risk of QT interval prolongation Details Sodium Phosphate Relugolix Orgovyx Explained Increased risk of QT interval prolongation Details Sodium Phosphate Amisulpride Injection Barhemsys Increased risk of serious ventricular arrhythmias such as torsades de pointes Details Sodium Phosphate Arsenic Trioxide Trisenox An increased risk of QT interval prolongation Details Sodium Phosphate Aripiprazole Injection Abilify An increased risk of QT interval prolongation Details Sodium Phosphate Arsenic Trioxide Injection Trisenox An increased risk of QT interval prolongation Details Sodium Phosphate Asenapine Transdermal Patch Secuado Increased risk of QT interval prolongation Details Sodium Phosphate Azithromycin AzaSite An increased risk of QT interval prolongation Details Sodium Phosphate Alfuzosin UroXatral An increased risk of QT interval prolongation Details Sodium Phosphate Anagrelide Agrylin Increased risk of QT interval prolongation Details Sodium Phosphate Bedaquiline Sirturo Increased risk of QT interval prolongation Details Sodium Phosphate Chloroquine Aralen® An increased risk of QT interval prolongation Details Sodium Phosphate Dasatinib Phyrago An increased risk of QT interval prolongation Details Sodium Phosphate Degarelix Injection Firmagon Increased risk of QT interval prolongation Details Sodium Phosphate Deutetrabenazine Austedo An increased risk of QT interval prolongation Details Sodium Phosphate Disopyramide Norpace An increased risk of QT interval prolongation Details Sodium Phosphate Dofetilide Tikosyn An increased risk of QT interval prolongation Details Sodium Phosphate Dolasetron Anzemet An increased risk of QT interval prolongation Details Sodium Phosphate Dolasetron Injection Anzemet An increased risk of QT interval prolongation Details Sodium Phosphate Encorafenib Braftovi Increased risk of QT interval prolongation Details Sodium Phosphate Entrectinib Rozlytrek An increased risk of QT interval prolongation Details Sodium Phosphate Erdafitinib Balversa Altered serum phosphate levels Details Sodium Phosphate Flecainide Tambocor® An increased risk of QT interval prolongation Details Sodium Phosphate Foscarnet Injection Foscavir Increased risk of QT interval prolongation Details Sodium Phosphate Fostemsavir Rukobia Increased risk of torsade de pointes Details Sodium Phosphate Gatifloxacin Ophthalmic Zymar® An increased risk of QT interval prolongation Details Sodium Phosphate Gemifloxacin Factive An increased risk of QT interval prolongation Details Sodium Phosphate Glasdegib Daurismo Increased risk of QT interval prolongation Details Sodium Phosphate Goserelin Implant Zoladex Increased risk of QT interval prolongation Details Sodium Phosphate Granisetron Transdermal Patch Sancuso An increased risk of QT interval prolongation Details Sodium Phosphate Granisetron Injection Granisol An increased risk of QT interval prolongation Details Sodium Phosphate Histrelin Implant Supprelin Increased risk of QT interval prolongation Details Sodium Phosphate Hydroxychloroquine Plaquenil Increased risk of QT interval prolongation Details Sodium Phosphate Inotuzumab Ozogamicin Injection Besponsa Increased risk of QT interval prolongation Details Sodium Phosphate Ivabradine Corlanor Increased risk of QT prolongation Details Sodium Phosphate Ketoconazole Topical Extina® Foam Increased risk of QT interval prolongation Details Sodium Phosphate Lefamulin Xenleta Increased risk of QT interval prolongation Details Sodium Phosphate Lenvatinib Lenvima 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.