Skip to content
Med Rx.

Simvastatin interactions

Full monograph for SimvastatinCheck it against another medicine

Medicines

670 documented

Medicines documented to interact with Simvastatin, worst severity first.
MedicineSeverityMechanismEffectSources
Amiodarone HydrochlorideMajorMetabolismThe use of amiodarone with higher dosages of simvastatin or lovastatin may be associated with an increased risk of myopathy. The proposed mechanism is…19 sources — open the full entry
Amlodipine BesilateMajorMetabolismCoadministration with amlodipine may significantly increase the plasma concentrations of simvastatin and its active metabolite, simvastatin acid, and…9 sources — open the full entry
Amlodipine Besilate + AtenololMajorMetabolism · UnknownCoadministration with amlodipine may significantly increase the plasma concentrations of simvastatin and its active metabolite, simvastatin acid, and…2 documented mechanisms9 sources — open the full entry
Amlodipine Besilate + AtorvastatinMajorMetabolism · SynergyCoadministration with amlodipine may significantly increase the plasma concentrations of simvastatin and its active metabolite, simvastatin acid, and…2 documented mechanisms13 sources — open the full entry
Amlodipine Besilate + Benazepril HydrochlorideMajorMetabolism · UnknownCoadministration with amlodipine may significantly increase the plasma concentrations of simvastatin and its active metabolite, simvastatin acid, and…2 documented mechanisms9 sources — open the full entry
Amlodipine Besilate + Olmesartan MedoxomilMajorMetabolismCoadministration with amlodipine may significantly increase the plasma concentrations of simvastatin and its active metabolite, simvastatin acid, and…9 sources — open the full entry
Amlodipine Besilate + TelmisartanMajorMetabolism · UnknownCoadministration with amlodipine may significantly increase the plasma concentrations of simvastatin and its active metabolite, simvastatin acid, and…2 documented mechanisms9 sources — open the full entry
Amlodipine Besilate + ValsartanMajorMetabolism · UnknownCoadministration with amlodipine may significantly increase the plasma concentrations of simvastatin and its active metabolite, simvastatin acid, and…2 documented mechanisms9 sources — open the full entry
Bempedoic acidMajorSynergyCoadministration with bempedoic acid may increase the plasma concentrations of simvastatin and pravastatin and risk of statin-related myopathy. The mechanism…11 sources — open the full entry
Bempedoic acid + EzetimibeMajorOthers · SynergyCoadministration with bempedoic acid may increase the plasma concentrations of simvastatin and pravastatin and risk of statin-related myopathy. The mechanism…2 documented mechanisms21 sources — open the full entry
Bisoprolol Fumarate + Amlodipine BesilateMajorMetabolism · UnknownCoadministration with amlodipine may significantly increase the plasma concentrations of simvastatin and its active metabolite, simvastatin acid, and…2 documented mechanisms9 sources — open the full entry
CeritinibMajorMetabolismCoadministration with potent inhibitors of CYP450 3A4 may significantly increase the plasma concentrations of simvastatin and lovastatin and their active acid…54 sources — open the full entry
ClarithromycinMajorMetabolismCoadministration with potent inhibitors of CYP450 3A4 may significantly increase the plasma concentrations of simvastatin and lovastatin and their active acid…50 sources — open the full entry
ColchicineMajorMetabolism · SynergyCoadministration of colchicine and HMG-CoA reductase inhibitors may increase the risk of myopathy due to a combination of pharmacodynamic and pharmacokinetic…37 sources — open the full entry
Cyclosporine (Oral)MajorMetabolismCoadministration with cyclosporine may significantly increase the plasma concentrations of some HMG-CoA reductase inhibitors and/or their pharmacologically…49 sources — open the full entry
DanazolMajorMetabolismThe use of danazol with higher dosages of certain HMG-CoA reductase inhibitors may be associated with an increased risk of myopathy. The proposed mechanism is…13 sources — open the full entry
Diltiazem HydrochlorideMajorMetabolism · SynergyCoadministration with diltiazem may significantly increase the plasma concentrations of simvastatin and its active metabolite, simvastatin acid, and potentiate…32 sources — open the full entry
ErythromycinLotionOralMajorMetabolismCoadministration with potent inhibitors of CYP450 3A4 may significantly increase the plasma concentrations of simvastatin and lovastatin and their active acid…50 sources — open the full entry
Esomeprazole + Amoxicillin + ClarithromycinMajorAbsorption · Metabolism · UnknownCoadministration with potent inhibitors of CYP450 3A4 may significantly increase the plasma concentrations of simvastatin and lovastatin and their active acid…3 documented mechanisms63 sources — open the full entry
FenofibrateMajorOthersSevere myopathy and rhabdomyolysis have been reported during concomitant use of HMG-CoA reductase inhibitors and fibric acid derivatives, especially…49 sources — open the full entry
FluconazolebaseOphthalmicMajorMetabolismCoadministration with potent inhibitors of CYP450 3A4 including azole antifungal agents may significantly increase the plasma concentrations of HMG-CoA…21 sources — open the full entry
GemfibrozilMajorSynergySevere myopathy and rhabdomyolysis have been reported during concomitant use of HMG-CoA reductase inhibitors and fibric acid derivatives, especially…43 sources — open the full entry
Glecaprevir + PibrentasvirMajorAbsorption · Distribution · MetabolismCoadministration with glecaprevir-pibrentasvir may significantly increase the plasma concentrations of atorvastatin, simvastatin, and their active acid…2 documented mechanisms11 sources — open the full entry
Indapamide + AmlodipineMajorMetabolism · UnknownCoadministration with amlodipine may significantly increase the plasma concentrations of simvastatin and its active metabolite, simvastatin acid, and…2 documented mechanisms9 sources — open the full entry
ItraconazoleMajorMetabolismItraconazole increases the plasma concentrations of some HMG-CoA reductase inhibitors and may increase the risk of rhabdomyolysis. The mechanism has been…29 sources — open the full entry
KetoconazoleMajorMetabolismCoadministration with potent inhibitors of CYP450 3A4 may significantly increase the plasma concentrations of lovastatin and simvastatin as well as their…22 sources — open the full entry
Ketoconazole + Zinc Pyrithione + AleoveraMajorMetabolismCoadministration with potent inhibitors of CYP450 3A4 may significantly increase the plasma concentrations of lovastatin and simvastatin as well as their…22 sources — open the full entry
Lansoprazole + Amoxicillin + ClarithromycinMajorAbsorption · Metabolism · UnknownCoadministration with potent inhibitors of CYP450 3A4 may significantly increase the plasma concentrations of simvastatin and lovastatin and their active acid…3 documented mechanisms63 sources — open the full entry
LeflunomideMajorSynergyThe recent, concomitant, or subsequent use (without the recommended leflunomide washout period or procedure) of other agents known to induce hepatotoxicity may…3 sources — open the full entry
LenalidomideMajorSynergyThe risk of rhabdomyolysis may be increased during coadministration of lenalidomide with HMG-CoA reductase inhibitors (statins). The mechanism is unknown but…12 sources — open the full entry
Levamlodipine MaleateMajorMetabolismCoadministration with amlodipine may significantly increase the plasma concentrations of simvastatin and its active metabolite, simvastatin acid, and…9 sources — open the full entry
Lopinavir + RitonavirMajorMetabolismProtease inhibitors (PIs), particularly ritonavir, may significantly increase the plasma concentrations of certain HMG-CoA reductase inhibitors. The mechanism…27 sources — open the full entry
MifepristoneMajorMetabolismCoadministration with mifepristone may significantly increase the plasma concentrations of drugs that are primarily metabolized by the CYP450 3A4 isoenzyme…12 sources — open the full entry
Mifepristone + MisoprostolMajorMetabolism · UnknownCoadministration with mifepristone may significantly increase the plasma concentrations of drugs that are primarily metabolized by the CYP450 3A4 isoenzyme…2 documented mechanisms12 sources — open the full entry
NelfinavirMajorMetabolismProtease inhibitors (PIs) may significantly increase the plasma concentrations of certain HMG-CoA reductase inhibitors. The mechanism is PI inhibition of…27 sources — open the full entry
Nicotinic Acid [Niacin]MajorSynergySevere myopathy and rhabdomyolysis have been reported with concomitant use of HMG-CoA reductase inhibitors (i.e., statins) and niacin. The mechanism is…20 sources — open the full entry
Nirmatrelvir + RitonavirMajorMetabolismProtease inhibitors (PIs), particularly ritonavir, may significantly increase the plasma concentrations of certain HMG-CoA reductase inhibitors. The mechanism…27 sources — open the full entry
Perindopril Arginine + AmlodipineMajorMetabolism · UnknownCoadministration with amlodipine may significantly increase the plasma concentrations of simvastatin and its active metabolite, simvastatin acid, and…2 documented mechanisms9 sources — open the full entry
PosaconazoleMajorMetabolismCoadministration with posaconazole may significantly increase the plasma concentrations of HMG-CoA reductase inhibitors that are metabolized by CYP450 3A4 such…26 sources — open the full entry
Rabeprazole + Amoxicillin + ClarithromycinMajorMetabolism · UnknownCoadministration with potent inhibitors of CYP450 3A4 may significantly increase the plasma concentrations of simvastatin and lovastatin and their active acid…3 documented mechanisms50 sources — open the full entry
RanolazineMajorMetabolismCoadministration with ranolazine may increase the plasma concentrations of simvastatin and its active metabolite, simvastatin acid, and potentiate the risk of…19 sources — open the full entry
RifampicinMajorMetabolismCoadministration with rifampin may significantly decrease the plasma concentrations of lovastatin and simvastatin and their pharmacologically active acid…12 sources — open the full entry
Rifampicin + IsoniazidMajorMetabolism · SynergyCoadministration with rifampin may significantly decrease the plasma concentrations of lovastatin and simvastatin and their pharmacologically active acid…2 documented mechanisms16 sources — open the full entry
Rifampicin + Isoniazid + Pyrazinamide + EthambutolMajorMetabolism · SynergyCoadministration with rifampin may significantly decrease the plasma concentrations of lovastatin and simvastatin and their pharmacologically active acid…3 documented mechanisms16 sources — open the full entry
TucatinibMajorMetabolismCoadministration with potent inhibitors of CYP450 3A4 may significantly increase the plasma concentrations of simvastatin and lovastatin and their active acid…54 sources — open the full entry
Verapamil HydrochlorideMajorSynergyCoadministration with verapamil may significantly increase the plasma concentrations of simvastatin and lovastatin and potentiate the risk of statin-induced…27 sources — open the full entry
Vonoprazan + Amoxicillin + ClarithromycinMajorMetabolism · UnknownCoadministration with potent inhibitors of CYP450 3A4 may significantly increase the plasma concentrations of simvastatin and lovastatin and their active acid…3 documented mechanisms115 sources — open the full entry
VoriconazoleMajorMetabolismCoadministration with voriconazole may significantly increase the plasma concentrations of simvastatin and lovastatin and their active acid metabolites. The…52 sources — open the full entry
AbametapirModerateMetabolismBased on in vitro inhibition data, a single topical application of abametapir lotion may increase plasma concentrations of drugs that are substrates of CYP450…1 sources — open the full entry
AdalimumabModerateMetabolismPlasma concentrations of drugs that are CYP450 substrates may decrease following the initiation of interleukin (IL) inhibitors, tumor necrosis factor (TNF)…19 sources — open the full entry

Food & lifestyle

Conditions

Conditions in which Simvastatin needs care, as documented in this source.

Therapeutic duplication

Drug classes that overlap with Simvastatin, so taking both doubles up the same effect. This source publishes no per-row citations for duplication.