Which medications are mentioned as prophylaxis options for seizures?

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Seizure prophylaxis in high‑risk situations aims to prevent early seizures after events like brain injury or neurosurgery. Levetiracetam is a common choice for this purpose because it provides broad-spectrum seizure protection while having minimal drug interactions and a favorable side‑effect profile, which is especially important when patients are recovering and may be on multiple therapies. Valproic acid also has strong antiseizure activity and can be used for short‑term prophylaxis in appropriate patients, making it a listed option when there are no contraindications such as liver disease or pregnancy considerations. The other options are less favored for perioperative or acute prophylaxis due to more interactions and adverse effects—phenytoin and carbamazepine have longer interaction profiles and higher toxicity risks, making them less attractive as routine prophylaxis. So, the combination of valproic acid and levetiracetam reflects the prophylaxis options described in this context.