Posaconazole SP should be administered with caution to patients with pro-arrhythmic conditions such as: • Congenital or acquired QTc prolongation • Cardiomyopathy, especially in the presence of cardiac failure • Sinus bradycardia • Existing symptomatic arrhythmias • Concomitant use with medicinal products known to prolong the QTc interval (other than those mentioned in section 4.3).