Answer
Yes. It can prolong the QT interval and rarely cause serious ventricular arrhythmias, particularly when other cardiac or electrolyte risk factors are present.
Sources for this answer
- Citalopram 10mg 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.