Simvastatin interactions

Simvastatin (Zocor, FloLipid), a statin has 100 documented interactions across the FDA labels and fact sheets we index: 39 major, 39 moderate, 22 minor, and 0 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 (39)

  • AmiodaroneantiarrhythmicMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • AprepitantCYP3A4 inhibitorMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • Azithromycinmacrolide antibioticMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • Bempedoic acidOATP1B1 inhibitorMajor

    Intervention : Avoid concomitant use of NEXLETOL with simvastatin greater than 20 mg. (Bempedoic acid label, Drug interactions)

  • CenobamateanticonvulsantMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • CimetidineH2 blockerMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • Clarithromycinmacrolide antibioticMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • Clotrimazoleazole antifungalMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • CyclosporineimmunosuppressantMajor

    Concomitant use of cyclosporine, danazol or gemfibrozil [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • Diltiazemcalcium channel blockerMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • DronedaroneantiarrhythmicMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • Econazoleazole antifungalMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • Erythromycinmacrolide antibioticMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • EverolimusimmunosuppressantMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • When used in combination with a statin, fenofibrate, or other LDL-C lowering therapy, ZETIA is contraindicated in patients for whom a statin, fenofibrate, or other LDL-C lowering therapy are contraindicated. (Ezetimibe label, Contraindications)

  • Fidaxomicinmacrolide antibioticMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • Fluconazoleazole antifungalMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • GemfibrozilfibrateMajor

    Concomitant use of cyclosporine, danazol or gemfibrozil [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • GrapefruitFood and drinkMajor

    Intervention: Avoid grapefruit juice when taking ZOCOR. (Simvastatin label, Drug interactions)

  • ImatinibCYP3A4 inhibitorMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • IsoniazidantibioticMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • Itraconazoleazole antifungalMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • IvacaftorCYP3A4 inhibitorMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • Ketoconazoleazole antifungalMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • Miconazoleazole antifungalMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • Mirabegronbeta-adrenergic agonistMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • NiacinMajor

    Intervention: Concomitant use of ZOCOR with lipid-modifying dosages of niacin is not recommended in Chinese patients [see Use in Specific Populations (8.8) ] . (Simvastatin label, Drug interactions)

  • ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • PalbociclibCYP3A4 inhibitorMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • PerampanelanticonvulsantMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • Posaconazoleazole antifungalMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • RanolazineQT-prolonging drugMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • RitonavirantiretroviralMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • …with VOSEVI may increase the concentration of pitavastatin and is not recommended, due to an increased risk of myopathy, including rhabdomyolysis. atorvastatin fluvastatin lovastatin simvastatin ↑ atorvastatin ↑ fluvastatin ↑ lovastatin ↑ simvastatin Coadministration with VOSEVI may increase the concentrations of atorvastatin, fluvastatin, lovastatin, and simvastatin. (Sofosbuvir and velpatasvir label, Drug interactions)

  • St. John's wortHerbal and supplementMajor

    St. John's wort can weaken these medicines by speeding up their breakdown, which can mean organ rejection, clots, or loss of effect. (NCCIH, St. John's Wort)

  • Suvorexantsedative-hypnoticMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • Ticagrelorantiplatelet agentMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • Verapamilcalcium channel blockerMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

  • Voriconazoleazole antifungalMajor

    ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Simvastatin label, Contraindications)

Moderate interactions (39)

  • AlcoholAlcoholModerate

    Patients who consume substantial quantities of alcohol and/or have a history of liver disease may be at increased risk for hepatic injury. (Simvastatin label, Warnings and precautions)

  • Amlodipinedihydropyridine calcium channel blockerModerate

    ZOCOR dosage modifications are recommended for patients taking lomitapide, verapamil, diltiazem, dronedarone, amiodarone, amlodipine or ranolazine [see Dosage and Administration (2.5) ] . (Simvastatin label, Warnings and precautions)

  • Amlodipine and benazeprildihydropyridine calcium channel blockerModerate

    ZOCOR dosage modifications are recommended for patients taking lomitapide, verapamil, diltiazem, dronedarone, amiodarone, amlodipine or ranolazine [see Dosage and Administration (2.5) ] . (Simvastatin label, Warnings and precautions)

  • ApixabananticoagulantModerate

    Coumarin Anticoagulants: Obtain INR before ZOCOR initiation and monitor INR during ZOCOR dosage initiation or adjustment. (Simvastatin label, Drug interactions)

  • AtorvastatinstatinModerate

    The risk is also greater in patients taking an 80 mg daily dosage of ZOCOR compared with patients taking lower ZOCOR dosages and compared with patients using other statins with similar or greater LDL-C-lowering efficacy [see Adverse Reactions (6.1) ] . (Simvastatin label, Warnings and precautions)

  • Bictegravir, emtricitabine, and tenofovir alafenamideantiretroviralModerate

    HMG-CoA Reductase Inhibitors: lovastatin simvastatin ↑ lovastatin ↑ simvastatin Initiate lovastatin and simvastatin with the lowest starting dose and titrate carefully while monitoring for safety (e.g., myopathy). (Bictegravir, emtricitabine, and tenofovir alafenamide label, Drug interactions)

  • ColchicineModerate

    Lipid modifying doses (≥1 gram/day) of niacin, fibrates, colchicine, and grapefruit juice may also increase the risk of myopathy and rhabdomyolysis [see Drug Interactions (7.1) ] . (Simvastatin label, Warnings and precautions)

  • DabigatrananticoagulantModerate

    Coumarin Anticoagulants: Obtain INR before ZOCOR initiation and monitor INR during ZOCOR dosage initiation or adjustment. (Simvastatin label, Drug interactions)

  • DapagliflozinSGLT2 inhibitorModerate

    …three times daily) 10 mg ↔ ↔ Other Medications Hydrochlorothiazide (25 mg) 50 mg ↔ ↔ Bumetanide (1 mg) 10 mg once daily for 7 days ↔ ↔ Valsartan (320 mg) 20 mg ↓12% [↓3%, ↓20%] ↔ Simvastatin (40 mg) 20 mg ↔ ↔ Anti-infective Agent Rifampin (600 mg once daily for 6 days) 10 mg ↓7% [↓22%, ↑11%] ↓22% [↓27%, ↓17%] Nonsteroidal Anti-inflammatory Agent Mefenamic Acid… (Dapagliflozin label, Drug interactions)

  • Deferasiroxiron supplementModerate

    …ergotamine, everolimus, felodipine, fentanyl, hormonal contraceptive agents, indinavir, fluticasone, lopinavir, lovastatin, lurasidone, maraviroc, midazolam, nisoldipine, pimozide, quetiapine, quinidine, saquinavir, sildenafil, simvastatin, sirolimus, tacrolimus, tolvaptan, tipranavir, triazolam, ticagrelor, and vardenafil) [see Clinical Pharmacology (12.3)] . (Deferasirox label, Drug interactions)

  • Digoxindigitalis glycosideModerate

    Digoxin: During ZOCOR initiation, monitor digoxin levels. (Simvastatin label, Drug interactions)

  • EdoxabananticoagulantModerate

    Coumarin Anticoagulants: Obtain INR before ZOCOR initiation and monitor INR during ZOCOR dosage initiation or adjustment. (Simvastatin label, Drug interactions)

  • Elexacaftor, tezacaftor, and ivacaftorModerate

    Concomitant use of TRIKAFTA may increase exposures of medicinal products that are substrates of these transporters, such as statins, glyburide, nateglinide and repaglinide. (Elexacaftor, tezacaftor, and ivacaftor label, Drug interactions)

  • EnoxaparinanticoagulantModerate

    Coumarin Anticoagulants: Obtain INR before ZOCOR initiation and monitor INR during ZOCOR dosage initiation or adjustment. (Simvastatin label, Drug interactions)

  • EslicarbazepineanticonvulsantModerate

    Dose adjustment of simvastatin and lovastatin may be needed if a clinically significant change in lipids is noted. (Eslicarbazepine label, Drug interactions)

  • Ezetimibe and simvastatinstatinModerate

    The risk is also greater in patients taking an 80 mg daily dosage of ZOCOR compared with patients taking lower ZOCOR dosages and compared with patients using other statins with similar or greater LDL-C-lowering efficacy [see Adverse Reactions (6.1) ] . (Simvastatin label, Warnings and precautions)

  • Felodipinedihydropyridine calcium channel blockerModerate

    Amiodarone, Dronedarone, Ranolazine, or Calcium Channel Blockers Clinical Impact: The risk of myopathy and rhabdomyolysis is increased by concomitant use of amiodarone, dronedarone, ranolazine, or calcium channel blockers with ZOCOR. (Simvastatin label, Drug interactions)

  • FenofibratefibrateModerate

    Lipid modifying doses (≥1 gram/day) of niacin, fibrates, colchicine, and grapefruit juice may also increase the risk of myopathy and rhabdomyolysis [see Drug Interactions (7.1) ] . (Simvastatin label, Warnings and precautions)

  • FluvastatinstatinModerate

    The risk is also greater in patients taking an 80 mg daily dosage of ZOCOR compared with patients taking lower ZOCOR dosages and compared with patients using other statins with similar or greater LDL-C-lowering efficacy [see Adverse Reactions (6.1) ] . (Simvastatin label, Warnings and precautions)

  • FondaparinuxanticoagulantModerate

    Coumarin Anticoagulants: Obtain INR before ZOCOR initiation and monitor INR during ZOCOR dosage initiation or adjustment. (Simvastatin label, Drug interactions)

  • HeparinanticoagulantModerate

    Coumarin Anticoagulants: Obtain INR before ZOCOR initiation and monitor INR during ZOCOR dosage initiation or adjustment. (Simvastatin label, Drug interactions)

  • Icosapent ethylomega-3 fatty acidModerate

    In a double-blind, placebo-controlled trial of 8,179 statin-treated subjects with established cardiovascular disease (CVD) or diabetes plus an additional risk factor for CVD, adjudicated atrial fibrillation or atrial flutter requiring hospitalization for 24 or more hours occurred in 127 (3%) patients treated with VASCEPA compared to 84 (2%) patients receiving… (Icosapent ethyl label, Warnings and precautions)

  • Isradipinedihydropyridine calcium channel blockerModerate

    Amiodarone, Dronedarone, Ranolazine, or Calcium Channel Blockers Clinical Impact: The risk of myopathy and rhabdomyolysis is increased by concomitant use of amiodarone, dronedarone, ranolazine, or calcium channel blockers with ZOCOR. (Simvastatin label, Drug interactions)

  • LeflunomideimmunosuppressantModerate

    …(e.g., mitoxantrone) and drugs in the OATP family (e.g., methotrexate, rifampin), especially HMG-Co reductase inhibitors (e.g., atorvastatin, nateglinide, pravastatin, repaglinide, and simvastatin), consider reducing the dose of these drugs and monitor patients closely for signs and symptoms of increased exposures to the drugs while patients are taking ARAVA [see… (Leflunomide label, Drug interactions)

  • LovastatinstatinModerate

    The risk is also greater in patients taking an 80 mg daily dosage of ZOCOR compared with patients taking lower ZOCOR dosages and compared with patients using other statins with similar or greater LDL-C-lowering efficacy [see Adverse Reactions (6.1) ] . (Simvastatin label, Warnings and precautions)

  • Nicardipinedihydropyridine calcium channel blockerModerate

    Amiodarone, Dronedarone, Ranolazine, or Calcium Channel Blockers Clinical Impact: The risk of myopathy and rhabdomyolysis is increased by concomitant use of amiodarone, dronedarone, ranolazine, or calcium channel blockers with ZOCOR. (Simvastatin label, Drug interactions)

  • Nifedipinedihydropyridine calcium channel blockerModerate

    Amiodarone, Dronedarone, Ranolazine, or Calcium Channel Blockers Clinical Impact: The risk of myopathy and rhabdomyolysis is increased by concomitant use of amiodarone, dronedarone, ranolazine, or calcium channel blockers with ZOCOR. (Simvastatin label, Drug interactions)

  • Nisoldipinedihydropyridine calcium channel blockerModerate

    Amiodarone, Dronedarone, Ranolazine, or Calcium Channel Blockers Clinical Impact: The risk of myopathy and rhabdomyolysis is increased by concomitant use of amiodarone, dronedarone, ranolazine, or calcium channel blockers with ZOCOR. (Simvastatin label, Drug interactions)

  • PhenytoinanticonvulsantModerate

    Carbamazepine, felbamate, lamotrigine, topiramate, oxcarbazepine, lacosamide Antilipidemic agents Atorvastatin, fluvastatin, simvastatin Antiplatelets Ticagrelor Antiviral agents Efavirenz, lopinavir/ritonavir, indinavir, nelfinavir, ritonavir, saquinavir Fosamprenavir: phenytoin when given with fosamprenavir alone may decrease the concentration of amprenavir,… (Phenytoin label, Drug interactions)

  • PitavastatinstatinModerate

    The risk is also greater in patients taking an 80 mg daily dosage of ZOCOR compared with patients taking lower ZOCOR dosages and compared with patients using other statins with similar or greater LDL-C-lowering efficacy [see Adverse Reactions (6.1) ] . (Simvastatin label, Warnings and precautions)

  • PravastatinstatinModerate

    The risk is also greater in patients taking an 80 mg daily dosage of ZOCOR compared with patients taking lower ZOCOR dosages and compared with patients using other statins with similar or greater LDL-C-lowering efficacy [see Adverse Reactions (6.1) ] . (Simvastatin label, Warnings and precautions)

  • RifampinantibioticModerate

    Decrease exposure Selective 5-HT3 Receptor Antagonists Ondansetron Decrease exposure Statins Metabolized by CYP3A4 Simvastatin Decrease exposure Thiazolidinediones Rosiglitazone Decrease AUC by 66% Tricyclic Antidepressants Nortriptyline A tuberculosis treatment regimen including rifampin (600 mg/day), isoniazid (300 mg/day), pyrazinamide (500 mg 3× per day),… (Rifampin label, Drug interactions)

  • RivaroxabananticoagulantModerate

    Coumarin Anticoagulants: Obtain INR before ZOCOR initiation and monitor INR during ZOCOR dosage initiation or adjustment. (Simvastatin label, Drug interactions)

  • RosuvastatinstatinModerate

    The risk is also greater in patients taking an 80 mg daily dosage of ZOCOR compared with patients taking lower ZOCOR dosages and compared with patients using other statins with similar or greater LDL-C-lowering efficacy [see Adverse Reactions (6.1) ] . (Simvastatin label, Warnings and precautions)

  • SirolimusimmunosuppressantModerate

    During sirolimus therapy with or without cyclosporine, patients should be monitored for elevated lipids, and patients administered an HMG-CoA reductase inhibitor and/or fibrate should be monitored for the possible development of rhabdomyolysis and other adverse effects, as described in the respective labeling for these agents. (Sirolimus label, Warnings and precautions)

  • TeriflunomideimmunosuppressantModerate

    …(e.g., mitoxantrone) and drugs in the OATP family (e.g., methotrexate, rifampin), especially HMG-Co reductase inhibitors (e.g., atorvastatin, nateglinide, pravastatin, repaglinide, and simvastatin), consider reducing the dose of these drugs and monitor patients closely for signs and symptoms of increased exposures to the drugs while patients are taking AUBAGIO [see… (Teriflunomide label, Drug interactions)

  • TocilizumabimmunosuppressantModerate

    In vivo studies with omeprazole, metabolized by CYP2C19 and CYP3A4, and simvastatin, metabolized by CYP3A4, showed up to a 28% and 57% decrease in exposure one week following a single dose of tocilizumab, respectively. (Tocilizumab label, Drug interactions)

  • UpadacitinibimmunosuppressantModerate

    Elevations in LDL cholesterol decreased to pre-treatment levels in response to statin therapy. (Upadacitinib label, Warnings and precautions)

  • WarfarinanticoagulantModerate

    There are postmarketing reports of clinically evident bleeding and/or increased INR in patients taking concomitant statins and warfarin. (Simvastatin label, Drug interactions)

Minor mentions (22)

  • AbataceptimmunosuppressantMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy without significant inflammation; and improvement with immunosuppressive agents. (Simvastatin label, Warnings and precautions)

  • AdalimumabimmunosuppressantMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy without significant inflammation; and improvement with immunosuppressive agents. (Simvastatin label, Warnings and precautions)

  • AzathioprineimmunosuppressantMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy without significant inflammation; and improvement with immunosuppressive agents. (Simvastatin label, Warnings and precautions)

  • Dimethyl fumarateimmunosuppressantMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy without significant inflammation; and improvement with immunosuppressive agents. (Simvastatin label, Warnings and precautions)

  • Drospirenone and ethinyl estradioloral contraceptiveMinor

    Two additional clinical drug-drug interaction studies using simvastatin and midazolam as marker substrates for CYP3A4 were each performed in 24 healthy postmenopausal women. (Drospirenone and ethinyl estradiol label, Drug interactions)

  • EtanerceptimmunosuppressantMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy without significant inflammation; and improvement with immunosuppressive agents. (Simvastatin label, Warnings and precautions)

  • Finasteride5-alpha reductase inhibitorMinor

    …acid, α-blockers, angiotensin-converting enzyme (ACE) inhibitors, analgesics, anti-convulsants, beta-adrenergic blocking agents, diuretics, calcium channel blockers, cardiac nitrates, HMG-CoA reductase inhibitors, nonsteroidal anti-inflammatory drugs (NSAIDs), benzodiazepines, H 2 antagonists and quinolone anti-infectives without evidence of clinically significant… (Finasteride label, Drug interactions)

  • FingolimodimmunosuppressantMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy without significant inflammation; and improvement with immunosuppressive agents. (Simvastatin label, Warnings and precautions)

  • GuselkumabimmunosuppressantMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy without significant inflammation; and improvement with immunosuppressive agents. (Simvastatin label, Warnings and precautions)

  • InfliximabimmunosuppressantMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy without significant inflammation; and improvement with immunosuppressive agents. (Simvastatin label, Warnings and precautions)

  • MethotrexateimmunosuppressantMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy without significant inflammation; and improvement with immunosuppressive agents. (Simvastatin label, Warnings and precautions)

  • MycophenolateimmunosuppressantMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy without significant inflammation; and improvement with immunosuppressive agents. (Simvastatin label, Warnings and precautions)

  • NatalizumabimmunosuppressantMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy without significant inflammation; and improvement with immunosuppressive agents. (Simvastatin label, Warnings and precautions)

  • OcrelizumabimmunosuppressantMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy without significant inflammation; and improvement with immunosuppressive agents. (Simvastatin label, Warnings and precautions)

  • Pimecrolimuscalcineurin inhibitorMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy without significant inflammation; and improvement with immunosuppressive agents. (Simvastatin label, Warnings and precautions)

  • 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)

  • RituximabimmunosuppressantMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy without significant inflammation; and improvement with immunosuppressive agents. (Simvastatin label, Warnings and precautions)

  • SecukinumabimmunosuppressantMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy without significant inflammation; and improvement with immunosuppressive agents. (Simvastatin label, Warnings and precautions)

  • TacrolimusimmunosuppressantMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy without significant inflammation; and improvement with immunosuppressive agents. (Simvastatin label, Warnings and precautions)

  • TofacitinibimmunosuppressantMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy without significant inflammation; and improvement with immunosuppressive agents. (Simvastatin label, Warnings and precautions)

  • UstekinumabimmunosuppressantMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy without significant inflammation; and improvement with immunosuppressive agents. (Simvastatin label, Warnings and precautions)

  • Vitamin EVitamin and mineralMinor

    Antioxidant combinations including vitamin E blunted the HDL-raising effect of simvastatin plus niacin in a clinical study. (NIH Office of Dietary Supplements, Vitamin E)

Check Simvastatin 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.