Quinethazone

46 interactions 4 explained in plain English
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 →

Most serious with: Etodolac Morphine Injection Buprenorphine Bromfenac Ophthalmic Naproxen Diclofenac Ophthalmic
34 Major 12 Moderate
All (46) Major (34) Moderate (12)

Major

Quinethazone Acetaminophen And Codeine Capital® & Codeine Explained Reduced diuretic efficacy Details Quinethazone Albuterol Oral Inhalation Accuneb® Explained An increased risk of ECG changes or hypokalemia Details Quinethazone Buprenorphine Belbuca Explained Reduced efficacy of diuretics Details Quinethazone Arsenic Trioxide Trisenox Increased risk of QT-interval prolongation and torsade de pointes Details Quinethazone Arsenic Trioxide Injection Trisenox Increased risk of QT-interval prolongation and torsade de pointes Details Quinethazone Aspirin Acuprin® Reduced diuretic effectiveness and possible nephrotoxicity Details Quinethazone Aspirin Rectal Aspirin Reduced diuretic effectiveness and possible nephrotoxicity Details Quinethazone Bromfenac Ophthalmic Bromday® Reduced diuretic effectiveness and possible nephrotoxicity Details Quinethazone Cefepime Injection Maxipime® An increased risk of nephrotoxicity Details Quinethazone Diclofenac Ophthalmic Voltaren® Eye Drops Reduced diuretic effectiveness and possible nephrotoxicity Details Quinethazone Diclofenac Topical (Actinic Keratosis) Pennsaid Reduced diuretic effectiveness and possible nephrotoxicity Details Quinethazone Diclofenac Topical (Arthritis Pain) Pennsaid® Reduced diuretic effectiveness and possible nephrotoxicity Details Quinethazone Diclofenac Transdermal Patch Flector Reduced diuretic effectiveness and possible nephrotoxicity Details Quinethazone Digoxin Cardoxin® Increased risk of digitalis toxicity (nausea, vomiting, arrhythmias) Details Quinethazone Etodolac Lodine Reduced diuretic effectiveness and possible nephrotoxicity Details Quinethazone Fenoprofen Fenopron Reduced diuretic effectiveness and possible nephrotoxicity Details Quinethazone Fentanyl Transdermal Patch Duragesic® Reduced diuretic efficacy Details Quinethazone Flurbiprofen Ansaid Reduced diuretic effectiveness and possible nephrotoxicity Details Quinethazone Flurbiprofen Ophthalmic Ocufen Reduced diuretic effectiveness and possible nephrotoxicity Details Quinethazone Hydromorphone Injection Dilaudid Reduced efficacy of diuretics Details Quinethazone Hydromorphone Rectal available generically Reduced efficacy of diuretics Details Quinethazone Ibuprofen Addaprin Reduced diuretic effectiveness and possible nephrotoxicity Details Quinethazone Ketoprofen Actron® Reduced diuretic effectiveness and possible nephrotoxicity Details Quinethazone Ketorolac Acular Reduced diuretic effectiveness and possible nephrotoxicity Details Quinethazone Ketorolac Injection Acular Reduced diuretic effectiveness and possible nephrotoxicity Details Quinethazone Ketorolac Nasal Spray Sprix Reduced diuretic effectiveness and possible nephrotoxicity Details Quinethazone Ketorolac Ophthalmic Acular Reduced diuretic effectiveness and possible nephrotoxicity Details Quinethazone Meclofenamate Meclodium® Reduced diuretic effectiveness and possible nephrotoxicity Details Quinethazone Mefenamic Acid Ponstel® Reduced diuretic effectiveness and possible nephrotoxicity Details Quinethazone Meloxicam Alloxate Reduced diuretic effectiveness and possible nephrotoxicity Details Quinethazone Meloxicam Injection Alloxate Reduced diuretic effectiveness and possible nephrotoxicity Details Quinethazone Morphine Injection Astramorph® PF Reduced efficacy of diuretics Details Quinethazone Nabumetone Relafen Reduced diuretic effectiveness and possible nephrotoxicity Details Quinethazone Naproxen Aleve Reduced diuretic effectiveness and possible nephrotoxicity Details

Moderate

Quinethazone Lisinopril Prinivil Explained Reduction of blood pressure Details Quinethazone Asenapine Transdermal Patch Secuado An increased risk of hypotension Details Quinethazone Benazepril Lotensin Reduction of blood pressure Details Quinethazone Captopril Capoten® Reduction of blood pressure Details Quinethazone Desmopressin Nasal Concentraid® Increased risk of water intoxication with hyponatremia Details Quinethazone Dofetilide Tikosyn An increased risk of hypokalemia or hypomagnesemia and an increased risk of torsade de pointes 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.