Answer
They contain levetiracetam, but their formulations, excipients and administration instructions differ. Check the packet and leaflet whenever the supplied product changes.
Sources for this answer
- NHSNHS · NHS medicine guidance
- Zolvum 500 mg Orodispersible Tablets — Current selected SmPCemc · Summary of Product Characteristics
- Desitrend 1000mg — Current selected SmPC