| Drug |
Interaction |
| Acenocoumarol |
Terbinafine decreases the anticoagulant effect |
| Aminophylline |
Terbinafine increases the effect and toxicity of theophylline |
| Amitriptyline |
Terbinafine may reduce the metabolism and clearance of Amitryptyline. Consider alternate therapy or monitor for therapeutic/adverse effects of Amytriptyline if Terbinafine is initiated, discontinued or dose changed. |
| Amoxapine |
Terbinafine may reduce the metabolism and clearance of Amoxapine. Consider alternate therapy or monitor for therapeutic/adverse effects of Amoxapine if Terbinafine is initiated, discontinued or dose changed. |
| Anisindione |
Terbinafine decreases the anticoagulant effect |
| Aripiprazole |
Terbinafine may reduce the metabolism and clearance of Aripiprazole. Consider alternate therapy or monitor for therapeutic/adverse effects of Aripiprazole if Terbinafine is initiated, discontinued or dose changed. |
| Atomoxetine |
Terbinafine may reduce the metabolism and clearance of Atomoxetine. Consider alternate therapy or monitor for therapeutic/adverse effects of Atomoxetine if Terbinafine is initiated, discontinued or dose changed. |
| Atomoxetine |
The CYP2D6 inhibitor could increase the effect and toxicity of atomoxetine |
| Caffeine |
Terbinafine may increase the plasma concentration of Caffeine. |
| Captopril |
Terbinafine may reduce the metabolism and clearance of Captopril. Consider alternate therapy or monitor for therapeutic/adverse effects of Captopril if Terbinafine is initiated, discontinued or dose changed. |
| Carvedilol |
Terbinafine may reduce the metabolism and clearance of Carvedilol. Consider alternate therapy or monitor for therapeutic/adverse effects of Carvedilol if Terbinafine is initiated, discontinued or dose changed. |
| Chloroquine |
Terbinafine may reduce the metabolism and clearance of Chloroquine. Consider alternate therapy or monitor for therapeutic/adverse effects of Chloroquine if Terbinafine is initiated, discontinued or dose changed. |
| Chlorpromazine |
Terbinafine may reduce the metabolism and clearance of Chlorpromazine. Consider alternate therapy or monitor for therapeutic/adverse effects of Chlorpromazine if Terbinafine is initiated, discontinued or dose changed. |
| Clomipramine |
Terbinafine may reduce the metabolism and clearance of Clomipramine. Consider alternate therapy or monitor for therapeutic/adverse effects of Clomipramine if Terbinafine is initiated, discontinued or dose changed. |
| Codeine |
Terbinafine may decrease the efficacy of Codeine by inhibiting active metabolite production. Consider an alternate analgesic or monitor for effectiveness of Codeine. |
| Cyclosporine |
Terbinafine decreases the effect of cyclosporine |
| Cyclosporine |
Terbinafine may decrease the plasma concentration of Cyclosporin. |
| Desipramine |
Terbinafine increases the effect and toxicity of the tricyclic |
| Desipramine |
Terbinafine may reduce the metabolism and clearance of Desipramine. Consider alternate therapy or monitor for therapeutic/adverse effects of Desipramine if Terbinafine is initiated, discontinued or dose changed. |
| Dextromethorphan |
Terbinafine increases dextromethorphan levels |
| Dextromethorphan |
Terbinafine may reduce the metabolism and clearance of Dextromethorphan. Consider alternate therapy or monitor for therapeutic/adverse effects of Dextromethorphan if Terbinafine is initiated, discontinued or dose changed. |
| Dicumarol |
Terbinafine decreases the anticoagulant effect |
| Doxepin |
Terbinafine may reduce the metabolism and clearance of Doxepin. Consider alternate therapy or monitor for therapeutic/adverse effects of Amytriptyline if Doxepin is initiated, discontinued or dose changed. |
| Doxorubicin |
Terbinafine may reduce the metabolism and clearance of Doxorubicin. Consider alternate therapy or monitor for therapeutic/adverse effects of Doxorubicin if Terbinafine is initiated, discontinued or dose changed. |
| Duloxetine |
Terbinafine may reduce the metabolism and clearance of Duloxetine. Consider alternate therapy or monitor for therapeutic/adverse effects of Duloxetine if Terbinafine is initiated, discontinued or dose changed. |
| Dyphylline |
Terbinafine increases the effect and toxicity of theophylline |
| Flecainide |
Terbinafine may reduce the metabolism and clearance of Flecainide. Consider alternate therapy or monitor for therapeutic/adverse effects of Flecainide if Terbinafine is initiated, discontinued or dose changed. |
| Fluoxetine |
Terbinafine may reduce the metabolism and clearance of Fluoxetine. Consider alternate therapy or monitor for therapeutic/adverse effects of Fluoxetine if Terbinafine is initiated, discontinued or dose changed. |
| Fluphenazine |
Terbinafine may reduce the metabolism and clearance of Fluphenazine. Consider alternate therapy or monitor for therapeutic/adverse effects of Fluphenazine if Terbinafine is initiated, discontinued or dose changed. |
| Fluvoxamine |
Terbinafine may reduce the metabolism and clearance of Fluvoxamine. Consider alternate therapy or monitor for therapeutic/adverse effects of Fluvoxamine if Terbinafine is initiated, discontinued or dose changed. |
| Haloperidol |
Terbinafine may reduce the metabolism and clearance of Haloperidol. Consider alternate therapy or monitor for therapeutic/adverse effects of Haloperidol if Terbinafine is initiated, discontinued or dose changed. |
| Imipramine |
Terbinafine increases the effect and toxicity of the tricyclic |
| Imipramine |
Terbinafine may reduce the metabolism and clearance of Imipramine. Consider alternate therapy or monitor for therapeutic/adverse effects of Imipramine if Terbinafine is initiated, discontinued or dose changed. |
| Lidocaine |
Terbinafine may reduce the metabolism and clearance of Lidocaine. Consider alternate therapy or monitor for therapeutic/adverse effects of Lidocaine if Terbinafine is initiated, discontinued or dose changed. |
| Lomustine |
Terbinafine may reduce the metabolism and clearance of Lomustine. Consider alternate therapy or monitor for therapeutic/adverse effects of Lomustine if Terbinafine is initiated, discontinued or dose changed. |
| Maprotiline |
Terbinafine may reduce the metabolism and clearance of Maprotiline. Consider alternate therapy or monitor for therapeutic/adverse effects of Maprotiline if Terbinafine is initiated, discontinued or dose changed. |
| Methamphetamine |
Terbinafine may reduce the metabolism and clearance of Methamphetamine. Consider alternate therapy or monitor for therapeutic/adverse effects of Methamphetamine if Terbinafine is initiated, discontinued or dose changed. |
| Metoprolol |
Terbinafine may reduce the metabolism and clearance of Metoprolol. Consider alternate therapy or monitor for therapeutic/adverse effects of Metoprolol if Terbinafine is initiated, discontinued or dose changed. |
| Mexiletine |
Terbinafine may reduce the metabolism and clearance of Mexiletine. Consider alternate therapy or monitor for therapeutic/adverse effects of Mexiletine if Terbinafine is initiated, discontinued or dose changed. |
| Mirtazapine |
Terbinafine may reduce the metabolism and clearance of Mirtazapine. Consider alternate therapy or monitor for therapeutic/adverse effects of Mirtazapine if Terbinafine is initiated, discontinued or dose changed. |
| Moclobemide |
Terbinafine may reduce the metabolism and clearance of Moclobemide. Consider alternate therapy or monitor for therapeutic/adverse effects of Moclobemide if Terbinafine is initiated, discontinued or dose changed. |
| Nefazodone |
Terbinafine may reduce the metabolism and clearance of Nefazodone. Consider alternate therapy or monitor for therapeutic/adverse effects of Nefazodone if Terbinafine is initiated, discontinued or dose changed. |
| Nortriptyline |
Terbinafine increases the effect and toxicity of the tricyclic |
| Nortriptyline |
Terbinafine may reduce the metabolism and clearance of Nortriptyline. Consider alternate therapy or monitor for therapeutic/adverse effects of Nortriptyline if Terbinafine is initiated, discontinued or dose changed. |
| Oxtriphylline |
Terbinafine increases the effect and toxicity of theophylline |
| Paroxetine |
Terbinafine may reduce the metabolism and clearance of Paroxetine. Consider alternate therapy or monitor for therapeutic/adverse effects of Paroxetine if Terbinafine is initiated, discontinued or dose changed. |
| Perphenazine |
Terbinafine may reduce the metabolism and clearance of Perphenazine. Consider alternate therapy or monitor for therapeutic/adverse effects of Perphenazine if Terbinafine is initiated, discontinued or dose changed. |
| Pipotiazine |
Terbinafine may reduce the metabolism and clearance of Pipotiazine. Consider alternate therapy or monitor for therapeutic/adverse effects of Pipotiazine if Terbinafine is initiated, discontinued or dose changed. |
| Procainamide |
Terbinafine may reduce the metabolism and clearance of Procainamide. Consider alternate therapy or monitor for therapeutic/adverse effects of Procainamide if Terbinafine is initiated, discontinued or dose changed. |
| Promethazine |
Terbinafine may reduce the metabolism and clearance of Promethazine. Consider alternate therapy or monitor for therapeutic/adverse effects of Promethazine if Terbinafine is initiated, discontinued or dose changed. |
| Propafenone |
Terbinafine may reduce the metabolism and clearance of Propafenone. Consider alternate therapy or monitor for therapeutic/adverse effects of Propafenone if Terbinafine is initiated, discontinued or dose changed. |
| Propranolol |
Terbinafine may reduce the metabolism and clearance of Propranolol. Consider alternate therapy or monitor for therapeutic/adverse effects of Propranolol if Terbinafine is initiated, discontinued or dose changed. |
| Protriptyline |
Terbinafine may reduce the metabolism and clearance of Protriptyline. Consider alternate therapy or monitor for therapeutic/adverse effects of Protriptyline if Terbinafine is initiated, discontinued or dose changed. |
| Rifabutin |
Rifabutin may increase the metabolism and clearance of Terbinafine. To avoid Terbinafine treatment failure, co-administration should be avoided. |
| Rifampin |
Rifampin decreases the effect of terbinafine |
| Rifampin |
Rifampin may increase the metabolism and clearance of Terbinafine. To avoid Terbinafine treatment failure, co-administration should be avoided. |
| Rifapentine |
Rifapentine may increase the metabolism and clearance of Terbinafine. To avoid Terbinafine treatment failure, co-administration should be avoided. |
| Risperidone |
Terbinafine may reduce the metabolism and clearance of Risperidone. Consider alternate therapy or monitor for therapeutic/adverse effects of Risperidone if Terbinafine is initiated, discontinued or dose changed. |
| Sertraline |
Terbinafine may reduce the metabolism and clearance of Sertraline. Consider alternate therapy or monitor for therapeutic/adverse effects of Sertraline if Terbinafine is initiated, discontinued or dose changed. |
| Tamoxifen |
Terbinafine may decrease the efficacy of Tamoxifen by decreasing the production of active metabolites. Concomitant therapy should be avoided. |
| Tamsulosin |
Terbinafine may reduce the metabolism and clearance of Tamsulosin. Consider alternate therapy or monitor for therapeutic/adverse effects of Tamsulosin if Terbinafine is initiated, discontinued or dose changed. |
| Tetrabenazine |
Terbinafine may reduce the metabolism and clearance of Tetrabenazine. Consider alternate therapy or monitor for therapeutic/adverse effects of Tetrabenazine if Terbinafine is initiated, discontinued or dose changed. |
| Theophylline |
Terbinafine increases the effect and toxicity of theophylline |
| Thioridazine |
Terbinafine may increase serum concentrations of Thioridazine. Concomitant therapy is contraindicated. |
| Timolol |
Terbinafine may reduce the metabolism and clearance of Timolol. Consider alternate therapy or monitor for therapeutic/adverse effects of Amytriptyline if Timolol is initiated, discontinued or dose changed. |
| Tolterodine |
Terbinafine may reduce the metabolism and clearance of Tolterodine. Consider alternate therapy or monitor for therapeutic/adverse effects of Tolterodine if Terbinafine is initiated, discontinued or dose changed. |
| Trimipramine |
Terbinafine may reduce the metabolism and clearance of Trimipramine. Consider alternate therapy or monitor for therapeutic/adverse effects of Trimipramine if Terbinafine is initiated, discontinued or dose changed. |
| Venlafaxine |
Terbinafine may reduce the metabolism and clearance of Venlafaxine. Consider alternate therapy or monitor for therapeutic/adverse effects of Venlafaxine if Terbinafine is initiated, discontinued or dose changed. |
| Warfarin |
Terbinafine decreases the anticoagulant effect |
| Zuclopenthixol |
Terbinafine may reduce the metabolism and clearance of Zuclopenthixol. Consider alternate therapy or monitor for therapeutic/adverse effects of Zuclopenthixol if Terbinafine is initiated, discontinued or dose changed. |
| doxorubicin TransDrug |
Terbinafine may reduce the metabolism and clearance of Doxorubicin. Consider alternate therapy or monitor for therapeutic/adverse effects of Doxorubicin if Terbinafine is initiated, discontinued or dose changed. |