Answer
Prolonged diarrhoea can lower potassium or magnesium, increasing QT prolongation and dangerous arrhythmia risk. Contact the clinical team for advice rather than stopping sotalol independently.
Sources for this answer
- Sotalol 80mg Tablets — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.