Answer
The combination is not recommended because additive QT prolongation may increase serious arrhythmia risk.
Sources for this answer
- Rythmodan Retard 250mg Modified Release Tablets — Current selected SmPCemc · Summary of Product Characteristics
- Disopyramide capsule 100 mg — 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.