Pantoprazole interactions

Pantoprazole (Protonix), a proton pump inhibitor has 54 documented interactions across the FDA labels and fact sheets we index: 3 major, 46 moderate, 3 minor, and 2 where a label reports no significant interaction. Each entry below quotes the sentence behind it. This drug page is a starting point, not a verdict for your situation.

Major interactions (3)

  • CefuroximecephalosporinMajor

    Histamine-2 (H 2 ) antagonists and proton pump inhibitors should be avoided. (Cefuroxime label, Drug interactions)

  • MethylphenidateCNS stimulantMajor

    Intervention Concomitant use of methylphenidate extended-release orally disintegrating tablets with a gastric pH modulator (i.e., a H2-blocker or a proton pump inhibitor) is not recommended. (Methylphenidate label, Drug interactions)

  • RisedronatebisphosphonateMajor

    Concomitant administration of Risedronate sodium delayed-release and H 2 blockers or PPIs is not recommended. (Risedronate label, Drug interactions)

Moderate interactions (46)

  • Acetazolamidecarbonic anhydrase inhibitorModerate

    For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ]. (Pantoprazole label, Warnings and precautions)

  • Amiloridepotassium-sparing diureticModerate

    For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ]. (Pantoprazole label, Warnings and precautions)

  • Proton Pump Inhibitors Clinical Impact Time to maximum concentration (T max ) of amphetamine is decreased compared to when administered alone. (Amphetamine and dextroamphetamine label, Drug interactions)

  • Bictegravir, emtricitabine, and tenofovir alafenamideantiretroviralModerate

    • Decreased exposure of some antiretroviral drugs (e.g., rilpivirine atazanavir, and nelfinavir) when used concomitantly with pantoprazole may reduce antiviral effect and promote the development of drug resistance. (Pantoprazole label, Drug interactions)

  • Bisoprolol and hydrochlorothiazidebeta blockerModerate

    For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ]. (Pantoprazole label, Warnings and precautions)

  • Bumetanideloop diureticModerate

    For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ]. (Pantoprazole label, Warnings and precautions)

  • Cannabidiol (prescription)anticonvulsantModerate

    False Positive Urine Tests for THC Clinical Impact: There have been reports of false positive urine screening tests for tetrahydrocannabinol (THC) in patients receiving PPIs [see Warnings and Precautions (5.13) ] . (Pantoprazole label, Drug interactions)

  • Cannabis (marijuana)Tobacco and cannabisModerate

    False Positive Urine Tests for THC Clinical Impact: There have been reports of false positive urine screening tests for tetrahydrocannabinol (THC) in patients receiving PPIs [see Warnings and Precautions (5.13) ] . (Pantoprazole label, Drug interactions)

  • Chlorthalidonethiazide diureticModerate

    For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ]. (Pantoprazole label, Warnings and precautions)

  • Clopidogrelantiplatelet agentModerate

    Dexlansoprazole, lansoprazole, and pantoprazole had less effect on the antiplatelet activity of Plavix than did omeprazole or esomeprazole [see Warnings and Precautions (5.1) and Clinical Pharmacology (12.3) ] . (Clopidogrel label, Drug interactions)

  • Deferasiroxiron supplementModerate

    Drugs Dependent on Gastric pH for Absorption (e.g., iron salts, erlotinib, dasatinib, nilotinib, mycophenolate mofetil, ketoconazole/itraconazole) Clinical Impact: Pantoprazole can reduce the absorption of other drugs due to its effect on reducing intragastric acidity. (Pantoprazole label, Drug interactions)

  • Dexlansoprazoleproton pump inhibitorModerate

    • Bone Fracture : Long-term and multiple daily dose PPI therapy may be associated with an increased risk for osteoporosis-related fractures of the hip, wrist, or spine. (Pantoprazole label, Warnings and precautions)

  • Digoxindigitalis glycosideModerate

    For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ]. (Pantoprazole label, Warnings and precautions)

  • DolutegravirantiretroviralModerate

    • Decreased exposure of some antiretroviral drugs (e.g., rilpivirine atazanavir, and nelfinavir) when used concomitantly with pantoprazole may reduce antiviral effect and promote the development of drug resistance. (Pantoprazole label, Drug interactions)

  • DronabinolcannabinoidModerate

    False Positive Urine Tests for THC Clinical Impact: There have been reports of false positive urine screening tests for tetrahydrocannabinol (THC) in patients receiving PPIs [see Warnings and Precautions (5.13) ] . (Pantoprazole label, Drug interactions)

  • DuloxetineSNRIModerate

    It is unknown whether the concomitant administration of proton pump inhibitors affects duloxetine absorption [see Warnings and Precautions ( 5.14 )] . (Duloxetine label, Drug interactions)

  • Emtricitabine and tenofovirantiretroviralModerate

    • Decreased exposure of some antiretroviral drugs (e.g., rilpivirine atazanavir, and nelfinavir) when used concomitantly with pantoprazole may reduce antiviral effect and promote the development of drug resistance. (Pantoprazole label, Drug interactions)

  • Eplerenonealdosterone antagonistModerate

    For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ]. (Pantoprazole label, Warnings and precautions)

  • Esomeprazoleproton pump inhibitorModerate

    • Bone Fracture : Long-term and multiple daily dose PPI therapy may be associated with an increased risk for osteoporosis-related fractures of the hip, wrist, or spine. (Pantoprazole label, Warnings and precautions)

  • Ethacrynic acidloop diureticModerate

    For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ]. (Pantoprazole label, Warnings and precautions)

  • FlibanserinCNS depressantModerate

    Strong CYP2C19 Inhibitors Examples Proton pump inhibitors, selective serotonin reuptake inhibitors, benzodiazepines, antifungals Clinical Implications The concomitant use of ADDYI with strong CYP2C19 inhibitors may increase flibanserin exposure which may increase the risk of hypotension, syncope, and CNS depression. (Flibanserin label, Drug interactions)

  • Furosemideloop diureticModerate

    For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ]. (Pantoprazole label, Warnings and precautions)

  • Hydrochlorothiazidethiazide diureticModerate

    For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ]. (Pantoprazole label, Warnings and precautions)

  • Indapamidethiazide diureticModerate

    For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ]. (Pantoprazole label, Warnings and precautions)

  • IronVitamin and mineralModerate

    Drugs Dependent on Gastric pH for Absorption (e.g., iron salts, erlotinib, dasatinib, nilotinib, mycophenolate mofetil, ketoconazole/itraconazole) Clinical Impact: Pantoprazole can reduce the absorption of other drugs due to its effect on reducing intragastric acidity. (Pantoprazole label, Drug interactions)

  • Itraconazoleazole antifungalModerate

    Drugs Dependent on Gastric pH for Absorption (e.g., iron salts, erlotinib, dasatinib, nilotinib, mycophenolate mofetil, ketoconazole/itraconazole) Clinical Impact: Pantoprazole can reduce the absorption of other drugs due to its effect on reducing intragastric acidity. (Pantoprazole label, Drug interactions)

  • Ketoconazoleazole antifungalModerate

    Drugs Dependent on Gastric pH for Absorption (e.g., iron salts, erlotinib, dasatinib, nilotinib, mycophenolate mofetil, ketoconazole/itraconazole) Clinical Impact: Pantoprazole can reduce the absorption of other drugs due to its effect on reducing intragastric acidity. (Pantoprazole label, Drug interactions)

  • Lansoprazoleproton pump inhibitorModerate

    • Bone Fracture : Long-term and multiple daily dose PPI therapy may be associated with an increased risk for osteoporosis-related fractures of the hip, wrist, or spine. (Pantoprazole label, Warnings and precautions)

  • Lisinopril and hydrochlorothiazideACE inhibitorModerate

    For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ]. (Pantoprazole label, Warnings and precautions)

  • Losartan and hydrochlorothiazideangiotensin II receptor blocker (ARB)Moderate

    For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ]. (Pantoprazole label, Warnings and precautions)

  • MethotrexateimmunosuppressantModerate

    Concomitant Use of PROTONIX I.V. with Methotrexate Literature suggests that concomitant use of PPIs with methotrexate (primarily at high dose; see methotrexate prescribing information) may elevate and prolong serum levels of methotrexate and/or its metabolite, possibly leading to methotrexate toxicities. (Pantoprazole label, Warnings and precautions)

  • Metolazonethiazide diureticModerate

    For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ]. (Pantoprazole label, Warnings and precautions)

  • MycophenolateimmunosuppressantModerate

    Drugs Dependent on Gastric pH for Absorption (e.g., iron salts, erlotinib, dasatinib, nilotinib, mycophenolate mofetil, ketoconazole/itraconazole) Clinical Impact: Pantoprazole can reduce the absorption of other drugs due to its effect on reducing intragastric acidity. (Pantoprazole label, Drug interactions)

  • Omeprazoleproton pump inhibitorModerate

    • Bone Fracture : Long-term and multiple daily dose PPI therapy may be associated with an increased risk for osteoporosis-related fractures of the hip, wrist, or spine. (Pantoprazole label, Warnings and precautions)

  • PhenytoinanticonvulsantModerate

    …topiramate Azoles Fluconazole, ketoconazole, itraconazole, miconazole, voriconazole Antineoplastic agents Capecitabine, fluorouracil Antidepressants Fluoxetine, fluvoxamine, sertraline Gastric acid reducing agents H 2 antagonists (cimetidine), omeprazole Sulfonamides Sulfamethizole, sulfaphenazole, sulfadiazine, sulfamethoxazole-trimethoprim Other Acute alcohol intake,… (Phenytoin label, Drug interactions)

  • Rabeprazoleproton pump inhibitorModerate

    • Bone Fracture : Long-term and multiple daily dose PPI therapy may be associated with an increased risk for osteoporosis-related fractures of the hip, wrist, or spine. (Pantoprazole label, Warnings and precautions)

  • RitonavirantiretroviralModerate

    • Decreased exposure of some antiretroviral drugs (e.g., rilpivirine atazanavir, and nelfinavir) when used concomitantly with pantoprazole may reduce antiviral effect and promote the development of drug resistance. (Pantoprazole label, Drug interactions)

  • Sofosbuvir and velpatasvirantiviralModerate

    Clinical Effect/Recommendation Acid Reducing Agents: ↓ velpatasvir Velpatasvir solubility decreases as pH increases. (Sofosbuvir and velpatasvir label, Drug interactions)

  • Spironolactonealdosterone antagonistModerate

    For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ]. (Pantoprazole label, Warnings and precautions)

  • Spironolactone and hydrochlorothiazidealdosterone antagonistModerate

    For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ]. (Pantoprazole label, Warnings and precautions)

  • Torsemideloop diureticModerate

    For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ]. (Pantoprazole label, Warnings and precautions)

  • Triamterenepotassium-sparing diureticModerate

    For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ]. (Pantoprazole label, Warnings and precautions)

  • Triamterene and hydrochlorothiazidepotassium-sparing diureticModerate

    For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ]. (Pantoprazole label, Warnings and precautions)

  • Valsartan and hydrochlorothiazideangiotensin II receptor blocker (ARB)Moderate

    For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ]. (Pantoprazole label, Warnings and precautions)

  • Voriconazoleazole antifungalModerate

    The metabolism of other proton pump inhibitors that are CYP2C19 substrates may also be inhibited by voriconazole and may result in increased plasma concentrations of other proton pump inhibitors. (Voriconazole label, Drug interactions)

  • WarfarinanticoagulantModerate

    Warfarin Clinical Impact: Increased INR and prothrombin time in patients receiving PPIs, including pantoprazole, and warfarin concomitantly. (Pantoprazole label, Drug interactions)

Minor mentions (3)

  • MagnesiumVitamin and mineralMinor

    Proton pump inhibitors taken for a year or longer can cause low magnesium; supplements may not correct it while the PPI continues. (NIH Office of Dietary Supplements, Magnesium)

  • Prasugrelantiplatelet agentMinor

    Effient can be administered with aspirin (75 mg to 325 mg per day), heparin, GPIIb/IIIa inhibitors, statins, digoxin, and drugs that elevate gastric pH, including proton pump inhibitors and H 2 blockers [see Clinical Pharmacology (12.3) ] . (Prasugrel label, Drug interactions)

  • Vitamin B12Vitamin and mineralMinor

    Long-term acid-reducing therapy interferes with B12 absorption from food and can lead to deficiency. (NIH Office of Dietary Supplements, Vitamin B12)

No significant interaction reported (2)

  • Clarithromycinmacrolide antibioticNo interaction

    Proton Pump Inhibitors: Omeprazole No Dose Adjustment Omeprazole: The mean 24-hour gastric pH value was 5.2 when omeprazole was administered alone and 5.7 when coadministered with clarithromycin as a result of increased omeprazole exposures [see Pharmacokinetics ( 12.3 )] (see also Omeprazole under “Drugs That Affect Clarithromycin Tablets” in the table below). (Clarithromycin label, Drug interactions)

  • Posaconazoleazole antifungalNo interaction

    No clinically relevant effects on the pharmacokinetics of Noxafil delayed-release tablets were observed during concomitant use with antacids, H 2 -receptor antagonists and proton pump inhibitors, and metoclopramide [see Clinical Pharmacology (12.3) ] . (Posaconazole label, Drug interactions)

Check Pantoprazole against everything you take. Add your full list; every pair is checked at once.

Open in the checker

Not medical advice. Severity reflects the label's wording, not your circumstances. A "major" flag can be routine under supervision and a "minor" one can matter at high doses. Ask a pharmacist.