 - that may have altered metabolism if taken with modafinil: Tricyclic antidepressants amitriptyline; nortriptyline; desipramine; imipramine; CNS stimulants amphetamine; d-ampthetamine; atomoxetine; Carbamazepine; Phenytoin; Phenobarbitol; Rifampin; Ketaconazole; MAO Inhibitors isoniazid; selegiline; Warfarin; Diazepam; Mephenytoin; Cyclosporine; Theophylline 