Drugs interactions for

  • 55 Major drug interactions (including ingredients like Abametapir, Amiodarone, Asunaprevir)
  • 290 Moderate drug interactions (including ingredients like Abatacept, Acarbose, Acenocoumarol)
  • 118 Minor drug interactions (including ingredients like Acalabrutinib, Alfentanil, Alprazolam)
463 interactions for
A therapy excluded from this list of known interactions does not necessarily mean that no interactions exist between that therapy and and .
Abametapir
The serum concentration of Levonorgestrel can be increased when it is combined with Abametapir.
Amiodarone
The metabolism of Levonorgestrel can be decreased when combined with Amiodarone.
Asunaprevir
The serum concentration of Levonorgestrel can be decreased when it is combined with Asunaprevir.
Axitinib
The metabolism of Axitinib can be decreased when combined with Levonorgestrel.
Cabazitaxel
The metabolism of Cabazitaxel can be decreased when combined with Levonorgestrel.
Calaspargase pegol
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Calaspargase pegol.
Clarithromycin
The metabolism of Levonorgestrel can be decreased when combined with Clarithromycin.
Conivaptan
The metabolism of Levonorgestrel can be decreased when combined with Conivaptan.
Copanlisib
The metabolism of Copanlisib can be decreased when combined with Levonorgestrel.
Crizotinib
The metabolism of Crizotinib can be decreased when combined with Levonorgestrel.
Curcumin
The metabolism of Levonorgestrel can be decreased when combined with Curcumin.
Cyclophosphamide
The metabolism of Cyclophosphamide can be decreased when combined with Levonorgestrel.
Danazol
The metabolism of Levonorgestrel can be decreased when combined with Danazol.
Dasatinib
The metabolism of Dasatinib can be decreased when combined with Levonorgestrel.
Docetaxel
The metabolism of Docetaxel can be decreased when combined with Levonorgestrel.
Dronedarone
The metabolism of Dronedarone can be decreased when combined with Levonorgestrel.
Efavirenz
The metabolism of Levonorgestrel can be decreased when combined with Efavirenz.
Ergotamine
The metabolism of Levonorgestrel can be decreased when combined with Ergotamine.
Erlotinib
The metabolism of Erlotinib can be decreased when combined with Levonorgestrel.
Etoposide
The metabolism of Etoposide can be decreased when combined with Levonorgestrel.
Ifosfamide
The metabolism of Ifosfamide can be decreased when combined with Levonorgestrel.
Indinavir
The metabolism of Levonorgestrel can be decreased when combined with Indinavir.
Itraconazole
The metabolism of Levonorgestrel can be decreased when combined with Itraconazole.
Ketoconazole
The metabolism of Levonorgestrel can be decreased when combined with Ketoconazole.
Levoketoconazole
The metabolism of Levonorgestrel can be decreased when combined with Levoketoconazole.
Lonafarnib
The metabolism of Levonorgestrel can be decreased when combined with Lonafarnib.
Methimazole
The metabolism of Levonorgestrel can be decreased when combined with Methimazole.
Midostaurin
The metabolism of Levonorgestrel can be decreased when combined with Midostaurin.
Mitotane
The metabolism of Levonorgestrel can be increased when combined with Mitotane.
Nefazodone
The metabolism of Levonorgestrel can be decreased when combined with Nefazodone.
Nelfinavir
The metabolism of Levonorgestrel can be decreased when combined with Nelfinavir.
Nilotinib
The metabolism of Levonorgestrel can be decreased when combined with Nilotinib.
Olaparib
The metabolism of Olaparib can be decreased when combined with Levonorgestrel.
Omaveloxolone
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Omaveloxolone.
Paclitaxel
The metabolism of Paclitaxel can be decreased when combined with Levonorgestrel.
Pimozide
The metabolism of Pimozide can be decreased when combined with Levonorgestrel.
Ponatinib
The metabolism of Ponatinib can be decreased when combined with Levonorgestrel.
Posaconazole
The metabolism of Levonorgestrel can be decreased when combined with Posaconazole.
Ribociclib
The metabolism of Levonorgestrel can be decreased when combined with Ribociclib.
Rifapentine
The metabolism of Levonorgestrel can be increased when combined with Rifapentine.
Saquinavir
The metabolism of Levonorgestrel can be decreased when combined with Saquinavir.
Sirolimus
The metabolism of Sirolimus can be decreased when combined with Levonorgestrel.
Sorafenib
The metabolism of Sorafenib can be decreased when combined with Levonorgestrel.
Sunitinib
The metabolism of Sunitinib can be decreased when combined with Levonorgestrel.
Tacrolimus
The metabolism of Tacrolimus can be decreased when combined with Levonorgestrel.
Tamoxifen
The metabolism of Tamoxifen can be decreased when combined with Levonorgestrel.
Telithromycin
The metabolism of Levonorgestrel can be decreased when combined with Telithromycin.
Temsirolimus
The metabolism of Temsirolimus can be decreased when combined with Levonorgestrel.
Teniposide
The metabolism of Teniposide can be decreased when combined with Levonorgestrel.
Tipranavir
The metabolism of Levonorgestrel can be decreased when combined with Tipranavir.
Tranexamic acid
Levonorgestrel may increase the thrombogenic activities of Tranexamic acid.
Trastuzumab emtansine
The metabolism of Trastuzumab emtansine can be decreased when combined with Levonorgestrel.
Ulipristal
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Ulipristal.
Vincristine
The metabolism of Vincristine can be decreased when combined with Levonorgestrel.
Voriconazole
The metabolism of Levonorgestrel can be decreased when combined with Voriconazole.
Abatacept
The metabolism of Levonorgestrel can be increased when combined with Abatacept.
Acarbose
The therapeutic efficacy of Acarbose can be decreased when used in combination with Levonorgestrel.
Acenocoumarol
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Acenocoumarol.
Acetaminophen
The metabolism of Levonorgestrel can be increased when combined with Acetaminophen.
Acetazolamide
The metabolism of Levonorgestrel can be increased when combined with Acetazolamide.
Acitretin
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Acitretin.
Adalimumab
The metabolism of Levonorgestrel can be increased when combined with Adalimumab.
Alitretinoin
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Alitretinoin.
Alogliptin
The therapeutic efficacy of Alogliptin can be decreased when used in combination with Levonorgestrel.
Alpelisib
The metabolism of Levonorgestrel can be increased when combined with Alpelisib.
Alteplase
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Alteplase.
Amobarbital
The metabolism of Levonorgestrel can be increased when combined with Amobarbital.
Anakinra
The metabolism of Levonorgestrel can be increased when combined with Anakinra.
Antithrombin Alfa
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Antithrombin Alfa.
Antithrombin III human
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Antithrombin III human.
Apalutamide
The serum concentration of Levonorgestrel can be decreased when it is combined with Apalutamide.
Apixaban
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Apixaban.
Apremilast
The metabolism of Levonorgestrel can be increased when combined with Apremilast.
Aprepitant
The serum concentration of Levonorgestrel can be decreased when it is combined with Aprepitant.
Argatroban
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Argatroban.
Armodafinil
The metabolism of Levonorgestrel can be increased when combined with Armodafinil.
Astaxanthin
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Astaxanthin.
Atazanavir
The serum concentration of Levonorgestrel can be increased when it is combined with Atazanavir.
Avanafil
The serum concentration of Avanafil can be increased when it is combined with Levonorgestrel.
Beclomethasone dipropionate
The serum concentration of Beclomethasone dipropionate can be increased when it is combined with Levonorgestrel.
Belzutifan
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Belzutifan.
Berotralstat
The metabolism of Levonorgestrel can be decreased when combined with Berotralstat.
Betamethasone
The serum concentration of Betamethasone can be increased when it is combined with Levonorgestrel.
Betrixaban
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Betrixaban.
Bexagliflozin
The therapeutic efficacy of Bexagliflozin can be decreased when used in combination with Levonorgestrel.
Bexarotene
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Bexarotene.
Bimekizumab
The metabolism of Levonorgestrel can be increased when combined with Bimekizumab.
Bivalirudin
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Bivalirudin.
Bosentan
The serum concentration of Levonorgestrel can be decreased when it is combined with Bosentan.
Brexanolone
The metabolism of Levonorgestrel can be increased when combined with Brexanolone.
Brivaracetam
The metabolism of Levonorgestrel can be increased when combined with Brivaracetam.
Bromocriptine
The therapeutic efficacy of Bromocriptine can be decreased when used in combination with Levonorgestrel.
Budesonide
The serum concentration of Budesonide can be increased when it is combined with Levonorgestrel.
Butalbital
The metabolism of Levonorgestrel can be increased when combined with Butalbital.
Calcitriol
The metabolism of Levonorgestrel can be increased when combined with Calcitriol.
Canagliflozin
The therapeutic efficacy of Canagliflozin can be decreased when used in combination with Levonorgestrel.
Canakinumab
The metabolism of Levonorgestrel can be increased when combined with Canakinumab.
Cangrelor
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Cangrelor.
Cannabidiol
The metabolism of Levonorgestrel can be increased when combined with Cannabidiol.
Carbamazepine
The serum concentration of Levonorgestrel can be decreased when it is combined with Carbamazepine.
Cenobamate
The serum concentration of Levonorgestrel can be decreased when it is combined with Cenobamate.
Certolizumab pegol
The metabolism of Levonorgestrel can be increased when combined with Certolizumab pegol.
Chloramphenicol
The metabolism of Levonorgestrel can be decreased when combined with Chloramphenicol.
Chlorpromazine
The metabolism of Levonorgestrel can be increased when combined with Chlorpromazine.
Cholestyramine
Cholestyramine can cause a decrease in the absorption of Levonorgestrel resulting in a reduced serum concentration and potentially a decrease in efficacy.
Ciclesonide
The serum concentration of Ciclesonide can be increased when it is combined with Levonorgestrel.
Ciprofloxacin
The metabolism of Levonorgestrel can be decreased when combined with Ciprofloxacin.
Clevidipine
The metabolism of Levonorgestrel can be increased when combined with Clevidipine.
Clobazam
The serum concentration of Levonorgestrel can be decreased when it is combined with Clobazam.
Clobetasol propionate
The serum concentration of Clobetasol propionate can be increased when it is combined with Levonorgestrel.
Clonazepam
The metabolism of Levonorgestrel can be increased when combined with Clonazepam.
Clonidine
The risk or severity of sedation can be increased when Levonorgestrel is combined with Clonidine.
Clorazepic acid
The metabolism of Levonorgestrel can be increased when combined with Clorazepic acid.
Clozapine
The metabolism of Levonorgestrel can be decreased when combined with Clozapine.
Colesevelam
Colesevelam can cause a decrease in the absorption of Levonorgestrel resulting in a reduced serum concentration and potentially a decrease in efficacy.
Colestipol
Colestipol can cause a decrease in the absorption of Levonorgestrel resulting in a reduced serum concentration and potentially a decrease in efficacy.
Conestat alfa
The risk or severity of thromboembolism can be increased when Levonorgestrel is combined with Conestat alfa.
Corticotropin
The serum concentration of Corticotropin can be increased when it is combined with Levonorgestrel.
Cortisone acetate
The serum concentration of Cortisone acetate can be increased when it is combined with Levonorgestrel.
Cyclosporine
The metabolism of Cyclosporine can be decreased when combined with Levonorgestrel.
Dabigatran etexilate
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Dabigatran etexilate.
Dabrafenib
The serum concentration of Levonorgestrel can be decreased when it is combined with Dabrafenib.
Dalteparin
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Dalteparin.
Dapagliflozin
The therapeutic efficacy of Dapagliflozin can be decreased when used in combination with Levonorgestrel.
Darunavir
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Darunavir.
Daunorubicin
The metabolism of Levonorgestrel can be increased when combined with Daunorubicin.
Deferasirox
The metabolism of Levonorgestrel can be increased when combined with Deferasirox.
Defibrotide
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Defibrotide.
Deflazacort
The serum concentration of Deflazacort can be increased when it is combined with Levonorgestrel.
Desoximetasone
The serum concentration of Desoximetasone can be increased when it is combined with Levonorgestrel.
Desvenlafaxine
The metabolism of Levonorgestrel can be decreased when combined with Desvenlafaxine.
Dexamethasone
The serum concentration of Dexamethasone can be increased when it is combined with Levonorgestrel.
Dexamethasone acetate
The serum concentration of Dexamethasone acetate can be increased when it is combined with Levonorgestrel.
Dextran
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Dextran.
Diazepam
The metabolism of Levonorgestrel can be increased when combined with Diazepam.
Dicloxacillin
The metabolism of Levonorgestrel can be increased when combined with Dicloxacillin.
Diltiazem
The metabolism of Levonorgestrel can be decreased when combined with Diltiazem.
Dipyridamole
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Dipyridamole.
Disopyramide
The therapeutic efficacy of Disopyramide can be decreased when used in combination with Levonorgestrel.
Dulaglutide
The therapeutic efficacy of Dulaglutide can be decreased when used in combination with Levonorgestrel.
Echinacea
The metabolism of Levonorgestrel can be increased when combined with Echinacea.
Edetic acid
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Edetic acid.
Edoxaban
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Edoxaban.
Elafibranor
The metabolism of Levonorgestrel can be decreased when combined with Elafibranor.
Emapalumab
The metabolism of Levonorgestrel can be increased when combined with Emapalumab.
Empagliflozin
The therapeutic efficacy of Empagliflozin can be decreased when used in combination with Levonorgestrel.
Enasidenib
The metabolism of Levonorgestrel can be increased when combined with Enasidenib.
Encorafenib
The serum concentration of Levonorgestrel can be decreased when it is combined with Encorafenib.
Enoxaparin
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Enoxaparin.
Enzalutamide
The serum concentration of Levonorgestrel can be decreased when it is combined with Enzalutamide.
Epcoritamab
The serum concentration of Levonorgestrel can be increased when it is combined with Epcoritamab.
Epoprostenol
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Epoprostenol.
Ertugliflozin
The therapeutic efficacy of Ertugliflozin can be decreased when used in combination with Levonorgestrel.
Erythromycin
The serum concentration of Levonorgestrel can be increased when it is combined with Erythromycin.
Esketamine
The metabolism of Levonorgestrel can be increased when combined with Esketamine.
Eslicarbazepine acetate
The metabolism of Levonorgestrel can be increased when combined with Eslicarbazepine acetate.
Estazolam
The metabolism of Levonorgestrel can be increased when combined with Estazolam.
Estradiol acetate
The metabolism of Levonorgestrel can be increased when combined with Estradiol acetate.
Estradiol cypionate
The metabolism of Levonorgestrel can be increased when combined with Estradiol cypionate.
Etanercept
The metabolism of Levonorgestrel can be increased when combined with Etanercept.
Ethanol
The metabolism of Levonorgestrel can be increased when combined with Ethanol.
Ethosuximide
The metabolism of Levonorgestrel can be increased when combined with Ethosuximide.
Ethotoin
The metabolism of Levonorgestrel can be increased when combined with Ethotoin.
Etravirine
The metabolism of Levonorgestrel can be increased when combined with Etravirine.
Exenatide
Exenatide can cause a decrease in the absorption of Levonorgestrel resulting in a reduced serum concentration and potentially a decrease in efficacy.
Fedratinib
The serum concentration of Levonorgestrel can be increased when it is combined with Fedratinib.
Felbamate
The metabolism of Levonorgestrel can be increased when combined with Felbamate.
Fenfluramine
The metabolism of Levonorgestrel can be increased when combined with Fenfluramine.
Ferulic acid
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Ferulic acid.
Fludrocortisone
The serum concentration of Fludrocortisone can be increased when it is combined with Levonorgestrel.
Flunisolide
The serum concentration of Flunisolide can be increased when it is combined with Levonorgestrel.
Fluocinolone acetonide
The serum concentration of Fluocinolone acetonide can be increased when it is combined with Levonorgestrel.
Fluocinonide
The serum concentration of Fluocinonide can be increased when it is combined with Levonorgestrel.
Fluorometholone
The serum concentration of Fluorometholone can be increased when it is combined with Levonorgestrel.
Fluticasone furoate
The serum concentration of Fluticasone furoate can be increased when it is combined with Levonorgestrel.
Fluticasone propionate
The serum concentration of Fluticasone propionate can be increased when it is combined with Levonorgestrel.
Fluvoxamine
The metabolism of Levonorgestrel can be decreased when combined with Fluvoxamine.
Fondaparinux
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Fondaparinux.
Fosaprepitant
The metabolism of Levonorgestrel can be increased when combined with Fosaprepitant.
Fosnetupitant
The metabolism of Levonorgestrel can be decreased when combined with Fosnetupitant.
Fosphenytoin
The metabolism of Levonorgestrel can be increased when combined with Fosphenytoin.
Fusidic acid
The metabolism of Levonorgestrel can be decreased when combined with Fusidic acid.
Gabapentin
The metabolism of Levonorgestrel can be increased when combined with Gabapentin.
Ganaxolone
The metabolism of Levonorgestrel can be increased when combined with Ganaxolone.
Genistein
The metabolism of Levonorgestrel can be increased when combined with Genistein.
Gestodene
The metabolism of Levonorgestrel can be decreased when combined with Gestodene.
Glofitamab
The serum concentration of Levonorgestrel can be increased when it is combined with Glofitamab.
Glycerol phenylbutyrate
The metabolism of Levonorgestrel can be increased when combined with Glycerol phenylbutyrate.
Golimumab
The metabolism of Levonorgestrel can be increased when combined with Golimumab.
Griseofulvin
The metabolism of Levonorgestrel can be increased when combined with Griseofulvin.
Haloperidol
The serum concentration of Haloperidol can be increased when it is combined with Levonorgestrel.
Heparin
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Heparin.
Human C1-esterase inhibitor
The risk or severity of thromboembolism can be increased when Levonorgestrel is combined with Human C1-esterase inhibitor.
Hydrocortisone
The serum concentration of Hydrocortisone can be increased when it is combined with Levonorgestrel.
Hydrocortisone acetate
The serum concentration of Hydrocortisone acetate can be increased when it is combined with Levonorgestrel.
Hydrocortisone butyrate
The serum concentration of Hydrocortisone butyrate can be increased when it is combined with Levonorgestrel.
Hydrocortisone succinate
The serum concentration of Hydrocortisone succinate can be increased when it is combined with Levonorgestrel.
Imatinib
The metabolism of Levonorgestrel can be decreased when combined with Imatinib.
Infliximab
The metabolism of Levonorgestrel can be increased when combined with Infliximab.
Insulin aspart
The therapeutic efficacy of Insulin aspart can be decreased when used in combination with Levonorgestrel.
Insulin degludec
The therapeutic efficacy of Insulin degludec can be decreased when used in combination with Levonorgestrel.
Insulin detemir
The therapeutic efficacy of Insulin detemir can be decreased when used in combination with Levonorgestrel.
Insulin glargine
The therapeutic efficacy of Insulin glargine can be decreased when used in combination with Levonorgestrel.
Insulin glulisine
The therapeutic efficacy of Insulin glulisine can be decreased when used in combination with Levonorgestrel.
Insulin human
The therapeutic efficacy of Insulin human can be decreased when used in combination with Levonorgestrel.
Insulin lispro
The therapeutic efficacy of Insulin lispro can be decreased when used in combination with Levonorgestrel.
Isavuconazonium
The metabolism of Levonorgestrel can be decreased when combined with Isavuconazonium.
Isoniazid
The metabolism of Levonorgestrel can be decreased when combined with Isoniazid.
Isotretinoin
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Isotretinoin.
Isradipine
The metabolism of Levonorgestrel can be decreased when combined with Isradipine.
Ivacaftor
The serum concentration of Levonorgestrel can be increased when it is combined with Ivacaftor.
Ivosidenib
The metabolism of Levonorgestrel can be increased when combined with Ivosidenib.
Lacosamide
The metabolism of Levonorgestrel can be increased when combined with Lacosamide.
Lamotrigine
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Lamotrigine.
Letermovir
The metabolism of Levonorgestrel can be decreased when combined with Letermovir.
Levetiracetam
The metabolism of Levonorgestrel can be increased when combined with Levetiracetam.
Linagliptin
The therapeutic efficacy of Linagliptin can be decreased when used in combination with Levonorgestrel.
Liraglutide
The therapeutic efficacy of Liraglutide can be decreased when used in combination with Levonorgestrel.
Lixisenatide
The absorption of Levonorgestrel can be decreased when combined with Lixisenatide.
Lopinavir
The serum concentration of Levonorgestrel can be decreased when it is combined with Lopinavir.
Lorazepam
The metabolism of Levonorgestrel can be increased when combined with Lorazepam.
Lorlatinib
The metabolism of Levonorgestrel can be increased when combined with Lorlatinib.
Lumacaftor
The serum concentration of Levonorgestrel can be decreased when it is combined with Lumacaftor.
Magnesium
The serum concentration of Magnesium can be decreased when it is combined with Levonorgestrel.
Magnesium sulfate
The metabolism of Levonorgestrel can be increased when combined with Magnesium sulfate.
Mavacamten
The serum concentration of Levonorgestrel can be decreased when it is combined with Mavacamten.
Mecasermin
The therapeutic efficacy of Mecasermin can be decreased when used in combination with Levonorgestrel.
Medroxyprogesterone acetate
The metabolism of Levonorgestrel can be increased when combined with Medroxyprogesterone acetate.
Methohexital
The metabolism of Levonorgestrel can be increased when combined with Methohexital.
Methsuximide
The metabolism of Levonorgestrel can be increased when combined with Methsuximide.
Methylene blue
The metabolism of Levonorgestrel can be decreased when combined with Methylene blue.
Methylprednisolone
The serum concentration of Methylprednisolone can be increased when it is combined with Levonorgestrel.
Methylprednisolone hemisuccinate
The serum concentration of Methylprednisolone hemisuccinate can be increased when it is combined with Levonorgestrel.
Metyrapone
The metabolism of Levonorgestrel can be increased when combined with Metyrapone.
Miconazole
The metabolism of Levonorgestrel can be decreased when combined with Miconazole.
Mifepristone
The therapeutic efficacy of Mifepristone can be decreased when used in combination with Levonorgestrel.
Miglitol
The therapeutic efficacy of Miglitol can be decreased when used in combination with Levonorgestrel.
Milnacipran
The metabolism of Levonorgestrel can be decreased when combined with Milnacipran.
Mitapivat
The metabolism of Levonorgestrel can be increased when combined with Mitapivat.
Modafinil
The metabolism of Levonorgestrel can be increased when combined with Modafinil.
Mometasone furoate
The serum concentration of Mometasone furoate can be increased when it is combined with Levonorgestrel.
Mycophenolate mofetil
The serum concentration of Levonorgestrel can be decreased when it is combined with Mycophenolate mofetil.
Mycophenolic acid
The serum concentration of Levonorgestrel can be decreased when it is combined with Mycophenolic acid.
Nafcillin
The metabolism of Levonorgestrel can be increased when combined with Nafcillin.
Nateglinide
The therapeutic efficacy of Nateglinide can be decreased when used in combination with Levonorgestrel.
Netupitant
The metabolism of Levonorgestrel can be decreased when combined with Netupitant.
Nicardipine
The metabolism of Levonorgestrel can be decreased when combined with Nicardipine.
Norgestimate
The metabolism of Levonorgestrel can be increased when combined with Norgestimate.
Octreotide
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Octreotide.
Olutasidenib
The metabolism of Levonorgestrel can be increased when combined with Olutasidenib.
Oritavancin
The metabolism of Levonorgestrel can be increased when combined with Oritavancin.
Oxcarbazepine
The serum concentration of Levonorgestrel can be decreased when it is combined with Oxcarbazepine.
Palovarotene
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Palovarotene.
Pentamidine
The therapeutic efficacy of Pentamidine can be decreased when used in combination with Levonorgestrel.
Pentobarbital
The metabolism of Levonorgestrel can be increased when combined with Pentobarbital.
Pentosan polysulfate
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Pentosan polysulfate.
Perampanel
The metabolism of Levonorgestrel can be increased when combined with Perampanel.
Phenobarbital
The metabolism of Levonorgestrel can be increased when combined with Phenobarbital.
Phenytoin
The metabolism of Levonorgestrel can be increased when combined with Phenytoin.
Pioglitazone
The therapeutic efficacy of Pioglitazone can be decreased when used in combination with Levonorgestrel.
Pitolisant
The serum concentration of Levonorgestrel can be decreased when it is combined with Pitolisant.
Pralsetinib
The metabolism of Levonorgestrel can be increased when combined with Pralsetinib.
Pramlintide
The therapeutic efficacy of Pramlintide can be decreased when used in combination with Levonorgestrel.
Prasugrel
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Prasugrel.
Prednisolone
The serum concentration of Prednisolone can be increased when it is combined with Levonorgestrel.
Prednisolone acetate
The serum concentration of Prednisolone acetate can be increased when it is combined with Levonorgestrel.
Prednisolone phosphate
The serum concentration of Prednisolone phosphate can be increased when it is combined with Levonorgestrel.
Prednisone
The serum concentration of Prednisone can be increased when it is combined with Levonorgestrel.
Pregabalin
The metabolism of Levonorgestrel can be increased when combined with Pregabalin.
Primaquine
The metabolism of Levonorgestrel can be decreased when combined with Primaquine.
Primidone
The metabolism of Levonorgestrel can be increased when combined with Primidone.
Probenecid
The metabolism of Levonorgestrel can be increased when combined with Probenecid.
Protein C
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Protein C.
Protein S human
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Protein S human.
Protocatechualdehyde
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Protocatechualdehyde.
Prucalopride
The serum concentration of Levonorgestrel can be decreased when it is combined with Prucalopride.
Quinine
The therapeutic efficacy of Quinine can be decreased when used in combination with Levonorgestrel.
Repaglinide
The therapeutic efficacy of Repaglinide can be decreased when used in combination with Levonorgestrel.
Repotrectinib
The serum concentration of Levonorgestrel can be decreased when it is combined with Repotrectinib.
Reserpine
The metabolism of Levonorgestrel can be increased when combined with Reserpine.
Rifabutin
The metabolism of Levonorgestrel can be increased when combined with Rifabutin.
Rifampin
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Rifampicin.
Rilonacept
The metabolism of Levonorgestrel can be increased when combined with Rilonacept.
Riluzole
The metabolism of Levonorgestrel can be increased when combined with Riluzole.
Ritlecitinib
The serum concentration of Levonorgestrel can be increased when it is combined with Ritlecitinib.
Ritonavir
The serum concentration of Levonorgestrel can be decreased when it is combined with Ritonavir.
Rivaroxaban
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Rivaroxaban.
Rosiglitazone
The therapeutic efficacy of Rosiglitazone can be decreased when used in combination with Levonorgestrel.
Rucaparib
The metabolism of Levonorgestrel can be decreased when combined with Rucaparib.
Rufinamide
The metabolism of Levonorgestrel can be increased when combined with Rufinamide.
Sarilumab
The metabolism of Levonorgestrel can be increased when combined with Sarilumab.
Satralizumab
The serum concentration of Levonorgestrel can be decreased when it is combined with Satralizumab.
Saxagliptin
The therapeutic efficacy of Saxagliptin can be decreased when used in combination with Levonorgestrel.
Secobarbital
The metabolism of Levonorgestrel can be increased when combined with Secobarbital.
Secukinumab
The metabolism of Levonorgestrel can be increased when combined with Secukinumab.
Selegiline
The bioavailability of Selegiline can be increased when combined with Levonorgestrel.
Semaglutide
The therapeutic efficacy of Semaglutide can be decreased when used in combination with Levonorgestrel.
Sevelamer
Sevelamer can cause a decrease in the absorption of Levonorgestrel resulting in a reduced serum concentration and potentially a decrease in efficacy.
Siltuximab
The metabolism of Levonorgestrel can be increased when combined with Siltuximab.
Sitagliptin
The therapeutic efficacy of Sitagliptin can be decreased when used in combination with Levonorgestrel.
Sodium citrate
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Sodium citrate.
Sotagliflozin
The therapeutic efficacy of Sotagliflozin can be decreased when used in combination with Levonorgestrel.
Sotorasib
The serum concentration of Levonorgestrel can be decreased when it is combined with Sotorasib.
Stiripentol
The metabolism of Levonorgestrel can be decreased when combined with Stiripentol.
Sugammadex
The serum concentration of Levonorgestrel can be decreased when it is combined with Sugammadex.
Sulfadiazine
The therapeutic efficacy of Sulfadiazine can be decreased when used in combination with Levonorgestrel.
Sulfamethoxazole
The therapeutic efficacy of Sulfamethoxazole can be decreased when used in combination with Levonorgestrel.
Suzetrigine
The metabolism of Levonorgestrel can be increased when combined with Suzetrigine.
Tazarotene
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Tazarotene.
Tecovirimat
The metabolism of Levonorgestrel can be increased when combined with Tecovirimat.
Telotristat ethyl
The serum concentration of Levonorgestrel can be decreased when it is combined with Telotristat ethyl.
Tenecteplase
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Tenecteplase.
Terbinafine
The metabolism of Levonorgestrel can be increased when combined with Terbinafine.
Testosterone
The metabolism of Levonorgestrel can be increased when combined with Testosterone.
Theophylline
Levonorgestrel may decrease the excretion rate of Theophylline which could result in a higher serum level.
Tiagabine
The metabolism of Levonorgestrel can be increased when combined with Tiagabine.
Ticagrelor
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Ticagrelor.
Tinzaparin
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Tinzaparin.
Tirzepatide
Tirzepatide can cause a decrease in the absorption of Levonorgestrel resulting in a reduced serum concentration and potentially a decrease in efficacy.
Tixocortol
The serum concentration of Tixocortol can be increased when it is combined with Levonorgestrel.
Tizanidine
The metabolism of Levonorgestrel can be increased when combined with Tizanidine.
Tocilizumab
The metabolism of Levonorgestrel can be increased when combined with Tocilizumab.
Tocopherylquinone
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Tocopherylquinone.
Topiramate
The metabolism of Levonorgestrel can be increased when combined with Topiramate.
Tovorafenib
The metabolism of Levonorgestrel can be increased when combined with Tovorafenib.
Tretinoin
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Tretinoin.
Triamcinolone
The serum concentration of Triamcinolone can be increased when it is combined with Levonorgestrel.
Troxerutin
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Troxerutin.
Tucatinib
The metabolism of Tucatinib can be decreased when combined with Levonorgestrel.
Urokinase
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Urokinase.
Valproic acid
The metabolism of Levonorgestrel can be increased when combined with Valproic acid.
Vamorolone
The serum concentration of Vamorolone can be increased when it is combined with Levonorgestrel.
Vemurafenib
The metabolism of Levonorgestrel can be increased when combined with Vemurafenib.
Venetoclax
The metabolism of Levonorgestrel can be decreased when combined with Venetoclax.
Verapamil
The metabolism of Levonorgestrel can be decreased when combined with Verapamil.
Vigabatrin
The metabolism of Levonorgestrel can be increased when combined with Vigabatrin.
Vinblastine
The metabolism of Levonorgestrel can be increased when combined with Vinblastine.
Vitamin A
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Vitamin A.
Vitamin E
The metabolism of Levonorgestrel can be increased when combined with Vitamin E.
Vorapaxar
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Vorapaxar.
Vorasidenib
The metabolism of Levonorgestrel can be increased when combined with Vorasidenib.
Warfarin
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Warfarin.
Zaleplon
The metabolism of Levonorgestrel can be increased when combined with Zaleplon.
Ziprasidone
The metabolism of Levonorgestrel can be decreased when combined with Ziprasidone.
Zonisamide
The metabolism of Levonorgestrel can be increased when combined with Zonisamide.
Acalabrutinib
The metabolism of Levonorgestrel can be decreased when combined with Acalabrutinib.
Alfentanil
The metabolism of Alfentanil can be decreased when combined with Levonorgestrel.
Alprazolam
The metabolism of Alprazolam can be decreased when combined with Levonorgestrel.
Ambrisentan
The metabolism of Ambrisentan can be decreased when combined with Levonorgestrel.
Amitriptyline
The metabolism of Levonorgestrel can be decreased when combined with Amitriptyline.
Amoxicillin
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Amoxicillin.
Ampicillin
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Ampicillin.
Apomorphine
The metabolism of Apomorphine can be decreased when combined with Levonorgestrel.
Aripiprazole
The metabolism of Aripiprazole can be decreased when combined with Levonorgestrel.
Aripiprazole lauroxil
The metabolism of Aripiprazole lauroxil can be decreased when combined with Levonorgestrel.
Artemether
The metabolism of Artemether can be decreased when combined with Levonorgestrel.
Atorvastatin
The metabolism of Atorvastatin can be decreased when combined with Levonorgestrel.
Azelastine
The metabolism of Azelastine can be decreased when combined with Levonorgestrel.
Benzylpenicillin
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Benzylpenicillin.
Benzylpenicilloyl polylysine
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Benzylpenicilloyl polylysine.
Buprenorphine
The metabolism of Buprenorphine can be decreased when combined with Levonorgestrel.
Buspirone
The metabolism of Buspirone can be decreased when combined with Levonorgestrel.
Chenodeoxycholic acid
The therapeutic efficacy of Chenodeoxycholic acid can be decreased when used in combination with Levonorgestrel.
Chloroquine
The metabolism of Chloroquine can be decreased when combined with Levonorgestrel.
Chlorpheniramine
The metabolism of Chlorpheniramine can be decreased when combined with Levonorgestrel.
Cholic Acid
The therapeutic efficacy of Cholic Acid can be decreased when used in combination with Levonorgestrel.
Cilostazol
The metabolism of Cilostazol can be decreased when combined with Levonorgestrel.
Cimetidine
The metabolism of Levonorgestrel can be decreased when combined with Cimetidine.
Clindamycin
The metabolism of Clindamycin can be decreased when combined with Levonorgestrel.
Clopidogrel
The metabolism of Clopidogrel can be decreased when combined with Levonorgestrel.
Cobicistat
The serum concentration of Levonorgestrel can be decreased when it is combined with Cobicistat.
Dapsone
The metabolism of Levonorgestrel can be decreased when combined with Dapsone.
Demeclocycline
The serum concentration of Levonorgestrel can be decreased when it is combined with Demeclocycline.
Deoxycholic acid
The therapeutic efficacy of Deoxycholic acid can be decreased when used in combination with Levonorgestrel.
Deutetrabenazine
The metabolism of Deutetrabenazine can be decreased when combined with Levonorgestrel.
Dextromethorphan
The metabolism of Dextromethorphan can be decreased when combined with Levonorgestrel.
Disulfiram
The metabolism of Disulfiram can be decreased when combined with Levonorgestrel.
Doravirine
The metabolism of Doravirine can be decreased when combined with Levonorgestrel.
Doxycycline
The serum concentration of Levonorgestrel can be decreased when it is combined with Doxycycline.
Dutasteride
The metabolism of Dutasteride can be decreased when combined with Levonorgestrel.
Elbasvir
The metabolism of Elbasvir can be decreased when combined with Levonorgestrel.
Elexacaftor
The metabolism of Elexacaftor can be decreased when combined with Levonorgestrel.
Elvitegravir
The serum concentration of Levonorgestrel can be decreased when it is combined with Elvitegravir.
Eplerenone
The metabolism of Eplerenone can be decreased when combined with Levonorgestrel.
Eravacycline
The serum concentration of Levonorgestrel can be decreased when it is combined with Eravacycline.
Felodipine
The metabolism of Felodipine can be decreased when combined with Levonorgestrel.
Fexinidazole
The metabolism of Fexinidazole can be decreased when combined with Levonorgestrel.
Finasteride
The metabolism of Finasteride can be decreased when combined with Levonorgestrel.
Flibanserin
The risk or severity of adverse effects can be increased when Levonorgestrel is combined with Flibanserin.
Fluconazole
The bioavailability of Levonorgestrel can be increased when combined with Fluconazole.
Flutamide
The metabolism of Flutamide can be decreased when combined with Levonorgestrel.
Fluvastatin
The metabolism of Fluvastatin can be decreased when combined with Levonorgestrel.
Fruquintinib
The metabolism of Fruquintinib can be decreased when combined with Levonorgestrel.
Gefitinib
The metabolism of Levonorgestrel can be decreased when combined with Gefitinib.
Glimepiride
The therapeutic efficacy of Glimepiride can be decreased when used in combination with Levonorgestrel.
Glipizide
The therapeutic efficacy of Glipizide can be decreased when used in combination with Levonorgestrel.
Glyburide
The therapeutic efficacy of Glyburide can be decreased when used in combination with Levonorgestrel.
Hydroxyprogesterone caproate
The metabolism of Hydroxyprogesterone caproate can be decreased when combined with Levonorgestrel.
Hydroxyzine
The metabolism of Hydroxyzine can be decreased when combined with Levonorgestrel.
Ibrutinib
The metabolism of Ibrutinib can be decreased when combined with Levonorgestrel.
Irinotecan
The metabolism of Irinotecan can be decreased when combined with Levonorgestrel.
Istradefylline
The metabolism of Istradefylline can be decreased when combined with Levonorgestrel.
Lapatinib
The metabolism of Lapatinib can be decreased when combined with Levonorgestrel.
Lemborexant
The metabolism of Lemborexant can be decreased when combined with Levonorgestrel.
Levamlodipine
The metabolism of Levamlodipine can be decreased when combined with Levonorgestrel.
Lidocaine
The metabolism of Levonorgestrel can be decreased when combined with Lidocaine.
Lovastatin
The metabolism of Levonorgestrel can be decreased when combined with Lovastatin.
Metformin
The therapeutic efficacy of Metformin can be decreased when used in combination with Levonorgestrel.
Metreleptin
The metabolism of Levonorgestrel can be increased when combined with Metreleptin.
Metronidazole
The metabolism of Metronidazole can be decreased when combined with Levonorgestrel.
Midazolam
The metabolism of Midazolam can be decreased when combined with Levonorgestrel.
Minocycline
The serum concentration of Levonorgestrel can be decreased when it is combined with Minocycline.
Nevirapine
The metabolism of Levonorgestrel can be decreased when combined with Nevirapine.
Nifedipine
The metabolism of Nifedipine can be decreased when combined with Levonorgestrel.
Nisoldipine
The metabolism of Nisoldipine can be decreased when combined with Levonorgestrel.
Norethisterone
The metabolism of Norethisterone can be decreased when combined with Levonorgestrel.
Obeticholic acid
The therapeutic efficacy of Obeticholic acid can be decreased when used in combination with Levonorgestrel.
Omadacycline
The serum concentration of Levonorgestrel can be decreased when it is combined with Omadacycline.
Ondansetron
The metabolism of Ondansetron can be decreased when combined with Levonorgestrel.
Ox bile extract
The therapeutic efficacy of Ox bile extract can be decreased when used in combination with Levonorgestrel.
Oxacillin
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Oxacillin.
Oxybutynin
The metabolism of Oxybutynin can be decreased when combined with Levonorgestrel.
Oxycodone
The metabolism of Oxycodone can be decreased when combined with Levonorgestrel.
Oxytetracycline
The serum concentration of Levonorgestrel can be decreased when it is combined with Oxytetracycline.
Paliperidone
The metabolism of Paliperidone can be decreased when combined with Levonorgestrel.
Paritaprevir
The metabolism of Paritaprevir can be decreased when combined with Levonorgestrel.
Phenoxymethylpenicillin
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Phenoxymethylpenicillin.
Piperacillin
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Piperacillin.
Pivmecillinam
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Pivmecillinam.
Ponesimod
The metabolism of Ponesimod can be decreased when combined with Levonorgestrel.
Praziquantel
The metabolism of Praziquantel can be decreased when combined with Levonorgestrel.
Procaine benzylpenicillin
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Procaine benzylpenicillin.
Progesterone
The metabolism of Progesterone can be decreased when combined with Levonorgestrel.
Propranolol
The metabolism of Propranolol can be decreased when combined with Levonorgestrel.
Quetiapine
The metabolism of Quetiapine can be decreased when combined with Levonorgestrel.
Quizartinib
The metabolism of Quizartinib can be decreased when combined with Levonorgestrel.
Relugolix
The metabolism of Relugolix can be decreased when combined with Levonorgestrel.
Risperidone
The metabolism of Risperidone can be decreased when combined with Levonorgestrel.
Romidepsin
The metabolism of Romidepsin can be decreased when combined with Levonorgestrel.
Rosuvastatin
Rosuvastatin may decrease the excretion rate of Levonorgestrel which could result in a higher serum level.
Salmeterol
The metabolism of Salmeterol can be decreased when combined with Levonorgestrel.
Sarecycline
The serum concentration of Levonorgestrel can be decreased when it is combined with Sarecycline.
Selumetinib
The metabolism of Selumetinib can be decreased when combined with Levonorgestrel.
Sildenafil
The metabolism of Levonorgestrel can be decreased when combined with Sildenafil.
Simvastatin
The metabolism of Simvastatin can be decreased when combined with Levonorgestrel.
Somatrogon
The metabolism of Levonorgestrel can be increased when combined with Somatrogon.
Testosterone cypionate
The metabolism of Testosterone cypionate can be decreased when combined with Levonorgestrel.
Testosterone enanthate
The metabolism of Testosterone enanthate can be decreased when combined with Levonorgestrel.
Tetracycline
The serum concentration of Levonorgestrel can be decreased when it is combined with Tetracycline.
Tezacaftor
The metabolism of Tezacaftor can be decreased when combined with Levonorgestrel.
Thalidomide
Levonorgestrel may increase the thrombogenic activities of Thalidomide.
Tigecycline
The serum concentration of Levonorgestrel can be decreased when it is combined with Tigecycline.
Tolazamide
The therapeutic efficacy of Tolazamide can be decreased when used in combination with Levonorgestrel.
Trazodone
The metabolism of Trazodone can be decreased when combined with Levonorgestrel.
Triazolam
The metabolism of Triazolam can be decreased when combined with Levonorgestrel.
Trifluridine
The therapeutic efficacy of Levonorgestrel can be decreased when used in combination with Trifluridine.
Ursodeoxycholic acid
The therapeutic efficacy of Ursodeoxycholic acid can be decreased when used in combination with Levonorgestrel.
Vadadustat
The serum concentration of Levonorgestrel can be increased when it is combined with Vadadustat.
Valbenazine
The metabolism of Valbenazine can be decreased when combined with Levonorgestrel.
Vardenafil
The metabolism of Vardenafil can be decreased when combined with Levonorgestrel.
Viloxazine
The metabolism of Levonorgestrel can be decreased when combined with Viloxazine.
Vonoprazan
The metabolism of Vonoprazan can be decreased when combined with Levonorgestrel.
Vortioxetine
The metabolism of Vortioxetine can be decreased when combined with Levonorgestrel.