Citalopram

132 interactions 7 explained in plain English
Also sold as: Celexa
Dr. Brian Staiger, PharmD, BCPS
Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated Jul 4, 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

Citalopram Ketoconazole Topical Extina® Foam An increased risk of QT interval prolongation Details Citalopram Ketoprofen Actron® An increased risk of bleeding Details Citalopram Ketorolac Acular An increased risk of bleeding Details Citalopram Ketorolac Injection Acular An increased risk of bleeding Details Citalopram Ketorolac Nasal Spray Sprix An increased risk of bleeding Details Citalopram Ketorolac Ophthalmic Acular An increased risk of bleeding Details Citalopram Lansoprazole Prevacid Increased citalopram exposure and an increased risk of QT interval prolongation Details Citalopram Lefamulin Xenleta Increased risk of QT interval prolongation Details Citalopram Lenvatinib Lenvima Increased risk of QT-interval prolongation Details Citalopram Levofloxacin Levaquin An increased risk of QT interval prolongation Details Citalopram Levofloxacin Injection Levaquin An increased risk of QT interval prolongation Details Citalopram Lithium Carbonate Lithobid An increased risk of serotonin syndrome Details Citalopram Loperamide Diamode An increased risk of QT interval prolongation, which may increase risk of cardiotoxicity (torsade de pointes, cardiac arrest) Details Citalopram Meclofenamate Meclodium® An increased risk of bleeding Details Citalopram Mefenamic Acid Ponstel® An increased risk of bleeding Details Citalopram Mefloquine Lariam® An increased risk of QT interval prolongation Details Citalopram Meloxicam Alloxate An increased risk of bleeding Details Citalopram Meloxicam Injection Alloxate An increased risk of bleeding Details Citalopram Mercaptopurine Purinethol® An increased risk of hepatotoxicity Details Citalopram Methotrexate Jylamvo Increased methotrexate exposure, an increased risk of methotrexate-related severe adverse reactions, reduced active metabolite for... Details Citalopram Methotrexate Injection Abitrexate® Increased methotrexate exposure, an increased risk of methotrexate-related severe adverse reactions, reduced active metabolite for... Details Citalopram Methylphenidate Adhansia XR® Increased selective serotonin reuptake inhibitor exposure Details Citalopram Methylphenidate Transdermal Patch Daytrana Increased selective serotonin reuptake inhibitor exposure Details Citalopram Metronidazole Flagyl An increased risk of QT interval prolongation Details Citalopram Metronidazole Injection Flagyl An increased risk of QT interval prolongation Details Citalopram Metronidazole Topical MetroCream® An increased risk of QT interval prolongation Details Citalopram Metronidazole Vaginal MetroGel® Vaginal An increased risk of QT interval prolongation Details Citalopram Morphine Injection Astramorph® PF Increased risk of serotonin syndrome Details Citalopram Moxifloxacin Avelox An increased risk of QT interval prolongation Details Citalopram Moxifloxacin Injection Avelox An increased risk of QT interval prolongation Details Citalopram Moxifloxacin Ophthalmic Moxeza® An increased risk of QT interval prolongation Details Citalopram Nabumetone Relafen An increased risk of bleeding Details Citalopram Nafarelin Nasal Spray Synarel An increased risk of QT interval prolongation Details Citalopram Nalbuphine Injection Nubain® Increased risk of serotonin syndrome Details Citalopram Naproxen Aleve An increased risk of bleeding Details Citalopram Octreotide Bynfezia An increased risk of QT interval prolongation Details Citalopram Octreotide Injection Bynfezia An increased risk of QT interval prolongation Details Citalopram Ofloxacin Floxin® An increased risk of QT interval prolongation Details Citalopram Ofloxacin Ophthalmic Ocuflox An increased risk of QT interval prolongation Details Citalopram Ofloxacin Otic Floxin® Otic An increased risk of QT interval prolongation 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.