Severe interactions with other medicines would not be expected with the following medicines but the possibility cannot be excluded: amprenavir, efavirenz and nevirapine (used in the treatment of HIV infection); ketoconazole, itraconazole and fluconazole (used for treating fungal infections); erythromycin and clarithromycin (used for treating bacterial infections); fluoxetine, paroxetine, imipramine and amitriptyline (used in the treatment of depression), diazepam (used to relieve anxiety and/or trouble with sleeping).