Answer
It can prolong the QT interval and rarely cause serious rhythm disturbances. Risk increases with cardiac disease, slow heart rate, electrolyte abnormalities or other QT-prolonging medicines.
Sources for this answer
- Nozinan 25mg tablets — Current selected SmPCemc · Summary of Product Characteristics
- UK GovernmentUK Government · Reputable Web
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.