Review Article

Tramadol Extended-Release for the Management of Pain due to Osteoarthritis

Table 5

Potential tramadol drug interactions.
(a)

CYP2D6
SubstratesInhibitorsInducers

Amphetamine Amiodarone Corticosteroids/
dexamethasone
Delavirdine
Protease inhibitors (indinavir, lopinavir/ritonavir, saquinavir)
Amitriptyline Amitriptyline
Aripiprazole Bupropion
Atomoxetine Celecoxib
Beta-blockers (selected) Chlorpheniramine
Carbamazepine Chlorpromazine
Carvedilol Cinacalcet
Chlorpheniramine Chloroquine
Chlorpromazine Cimetidine
Cinacalcet Citalopram
Clomipramine Clomipramine
Desipramine Clemastine
Dextromethorphan Cocaine
Doxazosin Clozapine
Flecainide Desipramine
Fluvoxamine Diphenhydramine
Haloperidol Doxepin
Hydrocodone Doxorubicin
Imipramine Escitalopram
Lidocaine Duloxetine
Metoclopramide Fluoxetine
Metoprolol Fluphenazine
Mexiletine Fluvoxamine
Nortriptyline Haloperidol
Ondansetron Hydroxyzine
Oxycodone Lomustine
Paroxetine Methadone
Perphenazine Metoclopramide
Primaquine Mibefradil
Promethazine Nefazodone
Risperidone Norfloxacin
Tamoxifen Quinidine
Thioridazine Paroxetine
Timolol Perphenazine
Tricyclic antidepressants Propafenone
Venlafaxine Quinidine
Yohimbine Ranitidine
Ritonavir
Sertraline
Sertindole
Terbinafine
Thioridazine
Ticlopidine
Tricyclic antidepressants
Venlafaxine
Vinblastine
Vinorelbine

(b)

CYP2B6
Substrates Inhibitors Inducers

Bupropion Orphenadrine Barbiturates
Cyclophosphamide Thiotepa Phenytoin
Efavirenz Ticlopidine Primidone
Ifosfamide Rifampin
Meperidine
Methadone

(c)

CYP3A4
Inhibitors Inducers

Amiodarone Barbiturates
Aprepitant Carbamazepine
Cannabinoids Corticosteroids/dexamethasone
Chloramphenicol Efavirenz
Cimetidine Ethosux
Ciprofloxacin Gluteth
Clarithromycin Griseofulvin
Clomipramine Modafinil
Clotrimazole Nevirapine
Cyclosporine Oxcarbazepine
Delavirdine Phenylbutazone
Diltiazem Phenytoin
Erythromycin Primidone
Fluconazole Rifabutin
Fluoxetine Rifampin
Fluvoxamine Sulfinpyrazone
Indinavir Troglitazone
Itraconazole
Ketoconazole
Metronidazole
Nefazodone
Norfloxacin
Norfluoxetine
Omeprazole
Paroxetine
Propoxyphene
Quinidine
Ranitidine
Ritonavir
Sertraline
Venlafaxine
Verapamil
Zafirlukast
Zileuton