Answer
Phenytoin appears to prevent the spread of seizure activity rather than abolish the primary focus of seizure discharge, and to stabilise rather than raise the seizure threshold.
Sources for this answer
- Epanutin 30mg/5ml oral SuspensionViatris (formerly Mylan or Upjohn) · emc · SmPC §5.1 Pharmacodynamic properties · Version 28Document updated
Sources checked