Ethotoin is primarily used as an anticonvulsant medication to manage and control seizures in patients with epilepsy. It works by stabilizing electrical activity in the brain, preventing abnormal bursts of electrical signals that lead to seizures. This makes it effective in treating partial and generalized tonic-clonic seizures. It is often prescribed when other antiepileptic drugs are not suitable or have proven ineffective. Ethotoin is typically administered orally and requires careful dosage adjustments to balance efficacy and minimize side effects. Regular monitoring is essential to ensure therapeutic levels are maintained and to assess for potential adverse effects, such as dizziness, nausea, or skin rashes. It is particularly useful in long-term seizure management, helping patients maintain a better quality of life by reducing the frequency and severity of epileptic episodes.