Answer
Yes. It contains a sulphonamide group, and a history of allergy to sulphonamide medicines is a contraindication in the selected product information.
Sources for this answer
- Zonisamide 50mg hard capsules — Current selected SmPCemc · Summary of Product Characteristics
- Desizon 20 mg/ml oral suspension — 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.