Abiraterone
The serum concentration of Gefitinib can be increased when it is combined with Abiraterone.
Acenocoumarol
Gefitinib may increase the anticoagulant activities of Acenocoumarol.
Acetyldigitoxin
Acetyldigitoxin may decrease the cardiotoxic activities of Gefitinib.
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Afatinib
The serum concentration of Afatinib can be increased when it is combined with Gefitinib.
Aluminum
The serum concentration of Gefitinib can be decreased when it is combined with Aluminium.
Aluminum Hydroxide
The serum concentration of Gefitinib can be decreased when it is combined with Aluminum hydroxide.
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aluminum hydroxide, dried (USP)
The serum concentration of Gefitinib can be decreased when it is combined with Aluminum hydroxide.
Aluminum Magnesium Silicate
The serum concentration of Gefitinib can be decreased when it is combined with Almasilate.
Amiodarone
The metabolism of Gefitinib can be decreased when combined with Amiodarone.
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Ancestim
The risk or severity of cytotoxicity can be increased when Ancestim is combined with Gefitinib.
Apalutamide
The serum concentration of Gefitinib can be decreased when it is combined with Apalutamide.
Aprepitant
The serum concentration of Gefitinib can be increased when it is combined with Aprepitant.
Artemether
The metabolism of Gefitinib can be decreased when combined with Artemether.
Asenapine
The serum concentration of Gefitinib can be decreased when it is combined with Asenapine.
Atazanavir
The metabolism of Gefitinib can be decreased when combined with Atazanavir.
Atomoxetine
The metabolism of Gefitinib can be decreased when combined with Atomoxetine.
Betaxolol
The metabolism of Gefitinib can be decreased when combined with Betaxolol.
Bevacizumab
Bevacizumab may increase the cardiotoxic activities of Gefitinib.
Bevacizumab-Awwb
Bevacizumab may increase the cardiotoxic activities of Gefitinib.
Bismuth Subcitrate
The serum concentration of Gefitinib can be decreased when it is combined with Bismuth Subcitrate.
Boceprevir
The metabolism of Gefitinib can be decreased when combined with Boceprevir.
Bortezomib
The metabolism of Gefitinib can be decreased when combined with Bortezomib.
Bosentan
The serum concentration of Gefitinib can be decreased when it is combined with Bosentan.
Bosutinib
The serum concentration of Bosutinib can be increased when it is combined with Gefitinib.
Bosutinib monohydrate
The serum concentration of Bosutinib can be increased when it is combined with Gefitinib.
Brentuximab Vedotin
The serum concentration of Brentuximab vedotin can be increased when it is combined with Gefitinib.
Bupropion
The metabolism of Gefitinib can be decreased when combined with Bupropion.
Cabazitaxel
The risk or severity of adverse effects can be increased when Cabazitaxel is combined with Gefitinib.
Calcium Carbonate
The serum concentration of Gefitinib can be decreased when it is combined with Calcium Carbonate.
CALCIUM CARBONATE, PRECIPITATED
The serum concentration of Gefitinib can be decreased when it is combined with Calcium Carbonate.
Carbamazepine
The serum concentration of Gefitinib can be decreased when it is combined with Carbamazepine.
Celecoxib
The metabolism of Gefitinib can be decreased when combined with Celecoxib.
Ceritinib
The serum concentration of Gefitinib can be increased when it is combined with Ceritinib.
Chloroquine
The metabolism of Gefitinib can be decreased when combined with Chloroquine.
Chlorpromazine
The metabolism of Gefitinib can be decreased when combined with Chlorpromazine.
Cholecalciferol
The metabolism of Gefitinib can be decreased when combined with Cholecalciferol.
Cilostazol
The serum concentration of Cilostazol can be increased when it is combined with Gefitinib.
Cimetidine
The serum concentration of Gefitinib can be decreased when it is combined with Cimetidine.
Cinacalcet
The metabolism of Gefitinib can be decreased when combined with Cinacalcet.
Citalopram
The metabolism of Gefitinib can be decreased when combined with Citalopram.
Clarithromycin
The metabolism of Gefitinib can be decreased when combined with Clarithromycin.
Clemastine
The metabolism of Gefitinib can be decreased when combined with Clemastine.
Clobazam
The metabolism of Gefitinib can be decreased when combined with Clobazam.
Clofezone
The serum concentration of Gefitinib can be decreased when it is combined with Rabeprazole.
Clomipramine
The metabolism of Gefitinib can be decreased when combined with Clomipramine.
Clotrimazole
The metabolism of Gefitinib can be decreased when combined with Clotrimazole.
Clozapine
The metabolism of Gefitinib can be decreased when combined with Clozapine.
Cobicistat
The serum concentration of Gefitinib can be increased when it is combined with Cobicistat.
Cocaine
The metabolism of Gefitinib can be decreased when combined with Cocaine.
Colchicine
The serum concentration of Colchicine can be increased when it is combined with Gefitinib.
Conivaptan
The serum concentration of Conivaptan can be increased when it is combined with Gefitinib.
Crizotinib
The metabolism of Gefitinib can be decreased when combined with Crizotinib.
Cyclophosphamide
Cyclophosphamide may increase the cardiotoxic activities of Gefitinib.
Cyclophosphamide Anhydrous
Cyclophosphamide may increase the cardiotoxic activities of Gefitinib.
Cyclosporine
The metabolism of Gefitinib can be decreased when combined with Cyclosporine.
Dabigatran Etexilate
The serum concentration of the active metabolites of Dabigatran etexilate can be increased when Dabigatran etexilate is used in combination with Gefitinib.
Dabrafenib
The serum concentration of Gefitinib can be decreased when it is combined with Dabrafenib.
Darifenacin
The metabolism of Gefitinib can be decreased when combined with Darifenacin.
Darunavir
The serum concentration of Gefitinib can be increased when it is combined with Darunavir.
Dasatinib
The serum concentration of Gefitinib can be increased when it is combined with Dasatinib.
Dasatinib Anhydrous
The serum concentration of Gefitinib can be increased when it is combined with Dasatinib.
Deferasirox
The serum concentration of Gefitinib can be decreased when it is combined with Deferasirox.
Delavirdine
The metabolism of Gefitinib can be decreased when combined with Delavirdine.
Desipramine
The metabolism of Gefitinib can be decreased when combined with Desipramine.
Deslanoside
Deslanoside may decrease the cardiotoxic activities of Gefitinib.
Dexlansoprazole
The serum concentration of Gefitinib can be decreased when it is combined with Dexlansoprazole.
Dicumarol
Gefitinib may increase the anticoagulant activities of Dicoumarol.
Digitoxin
Digitoxin may decrease the cardiotoxic activities of Gefitinib.
Digoxin
Digoxin may decrease the cardiotoxic activities of Gefitinib.
Dihydroergotamine
The metabolism of Gefitinib can be decreased when combined with Dihydroergotamine.
Diltiazem
The metabolism of Gefitinib can be decreased when combined with Diltiazem.
Diphenhydramine
The metabolism of Gefitinib can be decreased when combined with Diphenhydramine.
Docetaxel
The risk or severity of adverse effects can be increased when Docetaxel is combined with Gefitinib.
DOCETAXEL ANHYDROUS
The risk or severity of adverse effects can be increased when Docetaxel is combined with Gefitinib.
Dothiepin
The metabolism of Gefitinib can be decreased when combined with Dosulepin.
Doxepin
The serum concentration of Gefitinib can be decreased when it is combined with Doxepin.
Doxorubicin
The serum concentration of Doxorubicin can be increased when it is combined with Gefitinib.
Doxorubicin Hydrochloride
The serum concentration of Doxorubicin can be increased when it is combined with Gefitinib.
Doxycycline
The metabolism of Gefitinib can be decreased when combined with Doxycycline.
Doxycycline Anhydrous
The metabolism of Gefitinib can be decreased when combined with Doxycycline.
Dronedarone
The metabolism of Gefitinib can be decreased when combined with Dronedarone.
Duloxetine
The metabolism of Gefitinib can be decreased when combined with Duloxetine.
Edoxaban
The serum concentration of Edoxaban can be increased when it is combined with Gefitinib.
Eliglustat
The metabolism of Gefitinib can be decreased when combined with Eliglustat.
Eltrombopag
The serum concentration of Gefitinib can be increased when it is combined with Eltrombopag.
Enzalutamide
The serum concentration of Gefitinib can be decreased when it is combined with Enzalutamide.
Epinastine
The serum concentration of Gefitinib can be decreased when it is combined with Epinastine.
Erythromycin
The metabolism of Gefitinib can be decreased when combined with Erythromycin.
Esomeprazole
The serum concentration of Gefitinib can be decreased when it is combined with Esomeprazole.
Everolimus
The serum concentration of Everolimus can be increased when it is combined with Gefitinib.
Famotidine
The serum concentration of Gefitinib can be decreased when it is combined with Famotidine.
Fesoterodine
The serum concentration of the active metabolites of Fesoterodine can be increased when Fesoterodine is used in combination with Gefitinib.
Fluconazole
The metabolism of Gefitinib can be decreased when combined with Fluconazole.
Fluindione
Gefitinib may increase the anticoagulant activities of Fluindione.
Fluoxetine
The metabolism of Gefitinib can be decreased when combined with Fluoxetine.
Fluvoxamine
The metabolism of Gefitinib can be decreased when combined with Fluvoxamine.
Fosamprenavir
The metabolism of Gefitinib can be decreased when combined with Fosamprenavir.
Fosaprepitant
The serum concentration of Gefitinib can be increased when it is combined with Fosaprepitant.
Fosphenytoin
The serum concentration of Gefitinib can be decreased when it is combined with Fosphenytoin.
Fusidate
The serum concentration of Gefitinib can be increased when it is combined with Fusidic Acid.
Fusidic Acid
The serum concentration of Gefitinib can be increased when it is combined with Fusidic Acid.
Haloperidol
The metabolism of Gefitinib can be decreased when combined with Haloperidol.
Hydrotalcite
The serum concentration of Gefitinib can be decreased when it is combined with Hydrotalcite.
Hypoxis hemerocallidea root extract
The serum concentration of Gefitinib can be decreased when it is combined with St. John's Wort.
Idelalisib
The metabolism of Gefitinib can be decreased when combined with Idelalisib.
Imatinib
The metabolism of Gefitinib can be decreased when combined with Imatinib.
Imipramine
The metabolism of Gefitinib can be decreased when combined with Imipramine.
Indinavir
The metabolism of Gefitinib can be decreased when combined with Indinavir.
INDINAVIR ANHYDROUS
The metabolism of Gefitinib can be decreased when combined with Indinavir.
Isavuconazole
The serum concentration of Gefitinib can be increased when it is combined with Isavuconazole.
Isavuconazonium
The metabolism of Gefitinib can be decreased when combined with Isavuconazonium.
Isoniazid
The metabolism of Gefitinib can be decreased when combined with Isoniazid.
Isradipine
The metabolism of Gefitinib can be decreased when combined with Isradipine.
Itraconazole
The metabolism of Gefitinib can be decreased when combined with Itraconazole.
Ivacaftor
The serum concentration of Gefitinib can be increased when it is combined with Ivacaftor.
Ketoconazole
The metabolism of Gefitinib can be decreased when combined with Ketoconazole.
Lansoprazole
The serum concentration of Gefitinib can be decreased when it is combined with Lansoprazole.
Ledipasvir
The serum concentration of Ledipasvir can be increased when it is combined with Gefitinib.
Lopinavir
The metabolism of Gefitinib can be decreased when combined with Lopinavir.
Lorcaserin
The metabolism of Gefitinib can be decreased when combined with Lorcaserin.
Lovastatin
The metabolism of Gefitinib can be decreased when combined with Lovastatin.
Luliconazole
The serum concentration of Gefitinib can be increased when it is combined with Luliconazole.
Lumacaftor
The serum concentration of Gefitinib can be decreased when it is combined with Lumacaftor.
Lumefantrine
The metabolism of Gefitinib can be decreased when combined with Lumefantrine.
Magaldrate
The serum concentration of Gefitinib can be decreased when it is combined with Magaldrate.
Magnesium Hydroxide
The serum concentration of Gefitinib can be decreased when it is combined with Magnesium hydroxide.
Magnesium Oxide
The serum concentration of Gefitinib can be decreased when it is combined with Magnesium oxide.
Magnesium Trisilicate
The serum concentration of Gefitinib can be decreased when it is combined with Magnesium Trisilicate.
Manidipine
The metabolism of Gefitinib can be decreased when combined with Manidipine.
Methadone
The metabolism of Gefitinib can be decreased when combined with Methadone.
Methantheline
The serum concentration of Gefitinib can be decreased when it is combined with Methantheline.
Methotrimeprazine
The metabolism of Gefitinib can be decreased when combined with Methotrimeprazine.
Metoprolol
The serum concentration of Metoprolol can be increased when it is combined with Gefitinib.
Midostaurin
The metabolism of Gefitinib can be decreased when combined with Midostaurin.
Mifepristone
The serum concentration of Gefitinib can be increased when it is combined with Mifepristone.
Mirabegron
The metabolism of Gefitinib can be decreased when combined with Mirabegron.
Mitotane
The serum concentration of Gefitinib can be decreased when it is combined with Mitotane.
Naloxegol
The serum concentration of Naloxegol can be increased when it is combined with Gefitinib.
Nefazodone
The metabolism of Gefitinib can be decreased when combined with Nefazodone.
Nelfinavir
The metabolism of Gefitinib can be decreased when combined with Nelfinavir.
Netupitant
The serum concentration of Gefitinib can be increased when it is combined with Netupitant.
Nevirapine
The serum concentration of Gefitinib can be decreased when it is combined with Nevirapine.
Nicardipine
The metabolism of Gefitinib can be decreased when combined with Nicardipine.
Nilotinib
The metabolism of Gefitinib can be decreased when combined with Nilotinib.
Nizatidine
The serum concentration of Gefitinib can be decreased when it is combined with Nizatidine.
Olanzapine
The serum concentration of Gefitinib can be decreased when it is combined with Olanzapine.
Olaparib
The metabolism of Gefitinib can be decreased when combined with Olaparib.
Omeprazole
The serum concentration of Gefitinib can be decreased when it is combined with Omeprazole.
Osimertinib
The serum concentration of Gefitinib can be increased when it is combined with Osimertinib.
Ouabain
Ouabain may decrease the cardiotoxic activities of Gefitinib.
Ovine Digoxin Immune Fab
Digoxin Immune Fab (Ovine) may decrease the cardiotoxic activities of Gefitinib.
Paclitaxel
The risk or severity of adverse effects can be increased when Paclitaxel is combined with Gefitinib.
Palbociclib
The serum concentration of Gefitinib can be increased when it is combined with Palbociclib.
Panobinostat
The serum concentration of Gefitinib can be increased when it is combined with Panobinostat.
Pantoprazole
The serum concentration of Gefitinib can be decreased when it is combined with Pantoprazole.
Paroxetine
The metabolism of Gefitinib can be decreased when combined with Paroxetine.
Pazopanib
The serum concentration of Pazopanib can be increased when it is combined with Gefitinib.
Peginterferon Alfa-2b
The serum concentration of Gefitinib can be decreased when it is combined with Peginterferon alfa-2b.
Pentobarbital
The serum concentration of Gefitinib can be decreased when it is combined with Pentobarbital.
Phenindione
Gefitinib may increase the anticoagulant activities of Phenindione.
Phenobarbital
The serum concentration of Gefitinib can be decreased when it is combined with Phenobarbital.
Phenprocoumon
Gefitinib may increase the anticoagulant activities of Phenprocoumon.
Phenytoin
The serum concentration of Gefitinib can be decreased when it is combined with Phenytoin.
Posaconazole
The metabolism of Gefitinib can be decreased when combined with Posaconazole.
Primidone
The serum concentration of Gefitinib can be decreased when it is combined with Primidone.
Promazine
The metabolism of Gefitinib can be decreased when combined with Promazine.
Promethazine
The serum concentration of Gefitinib can be decreased when it is combined with Promethazine.
Proscillaridin
Proscillaridin may decrease the cardiotoxic activities of Gefitinib.
Quinidine
The metabolism of Gefitinib can be decreased when combined with Quinidine.
Quinine
The metabolism of Gefitinib can be decreased when combined with Quinine.
Rabeprazole
The serum concentration of Gefitinib can be decreased when it is combined with Rabeprazole.
Ranitidine
The serum concentration of Gefitinib can be decreased when it is combined with Ranitidine.
Ranolazine
The serum concentration of Ranolazine can be increased when it is combined with Gefitinib.
Rifabutin
The serum concentration of Gefitinib can be decreased when it is combined with Rifabutin.
Rifampin
The serum concentration of Gefitinib can be decreased when it is combined with Rifampicin.
Rifapentine
The serum concentration of Gefitinib can be decreased when it is combined with Rifapentine.
Rifaximin
The serum concentration of Rifaximin can be increased when it is combined with Gefitinib.
Ritonavir
The metabolism of Gefitinib can be decreased when combined with Ritonavir.
Rolapitant
The serum concentration of Gefitinib can be increased when it is combined with Rolapitant.
Ropinirole
The metabolism of Gefitinib can be decreased when combined with Ropinirole.
Roxatidine Acetate
The serum concentration of Gefitinib can be decreased when it is combined with Roxatidine acetate.
Rucaparib
The metabolism of Gefitinib can be decreased when combined with Rucaparib.
Saquinavir
The metabolism of Gefitinib can be decreased when combined with Saquinavir.
Saquinavir Mesylate
The metabolism of Gefitinib can be decreased when combined with Saquinavir.
Sarilumab
The therapeutic efficacy of Gefitinib can be decreased when used in combination with Sarilumab.
Sertraline
The metabolism of Gefitinib can be decreased when combined with Sertraline.
Sildenafil
The metabolism of Gefitinib can be decreased when combined with Sildenafil.
Silodosin
The serum concentration of Silodosin can be increased when it is combined with Gefitinib.
Siltuximab
The serum concentration of Gefitinib can be decreased when it is combined with Siltuximab.
Simeprevir
The serum concentration of Gefitinib can be increased when it is combined with Simeprevir.
Sodium Bicarbonate
The serum concentration of Gefitinib can be decreased when it is combined with Sodium bicarbonate.
ST. JOHN'S WORT EXTRACT
The serum concentration of Gefitinib can be decreased when it is combined with St. John's Wort.
Sulfisoxazole
The metabolism of Gefitinib can be decreased when combined with Sulfisoxazole.
Telaprevir
The metabolism of Gefitinib can be decreased when combined with Telaprevir.
Telithromycin
The metabolism of Gefitinib can be decreased when combined with Telithromycin.
Terbinafine
The metabolism of Gefitinib can be decreased when combined with Terbinafine.
Teriflunomide
The serum concentration of Gefitinib can be increased when it is combined with Teriflunomide.
Thioridazine
The serum concentration of Thioridazine can be increased when it is combined with Gefitinib.
Ticlopidine
The metabolism of Gefitinib can be decreased when combined with Ticlopidine.
Tipranavir
The metabolism of Gefitinib can be decreased when combined with Tipranavir.
Tocilizumab
The serum concentration of Gefitinib can be decreased when it is combined with Tocilizumab.
Topotecan
The serum concentration of Topotecan can be increased when it is combined with Gefitinib.
Tranylcypromine
The metabolism of Gefitinib can be decreased when combined with Tranylcypromine.
Trastuzumab
Trastuzumab may increase the cardiotoxic activities of Gefitinib.
Tromethamine
The serum concentration of Gefitinib can be decreased when it is combined with Tromethamine.
Vemurafenib
The serum concentration of Gefitinib can be increased when it is combined with Vemurafenib.
Venlafaxine
The metabolism of Gefitinib can be decreased when combined with Venlafaxine.
Verapamil
The metabolism of Gefitinib can be decreased when combined with Verapamil.
Vincristine
The excretion of Vincristine can be decreased when combined with Gefitinib.
Vinorelbine
Gefitinib may increase the neutropenic activities of Vinorelbine.
Voriconazole
The metabolism of Gefitinib can be decreased when combined with Voriconazole.
Warfarin
Gefitinib may increase the anticoagulant activities of Warfarin.
Ziprasidone
The metabolism of Gefitinib can be decreased when combined with Ziprasidone.
