Health Care Professional information The PAC should include the following information for the healthcare professional information regarding Ranexa: • To refer to the Ranexa SPC prior to prescribing any medications to the patient, as there are potential drug interactions which should be taken into consideration. • Ranexa is contraindicated in patients taking: • Potent CYP3A4 inhibitors (e. g. itraconazole, ketoconazole, voriconazol, posaconazol, HIV protease inhibitors, clarithromycin, telithromycin, nefazodone) • Class Ia (e. g. quinidine) or Class III (e. g. dofetilide, sotalol) antiarrhythmics other than amiodarone