Lacoset 10mg Injection contains lacosamide, an antiepileptic agent indicated for the treatment of partial-onset seizures in patients with epilepsy. Lacosamide acts by selectively enhancing slow inactivation of voltage-gated sodium channels, stabilizing hyperexcitable neuronal membranes and inhibiting repetitive neuronal firing without affecting physiological sodium channel activity. This mechanism contributes to its efficacy in reducing seizure frequency. The injectable formulation allows for rapid administration in clinical settings, particularly when oral administration is not feasible. Lacoset 10mg Injection is typically used as adjunctive therapy in patients aged 17 years and older. The dosage and duration of treatment should be individualized based on clinical response and tolerability. Common adverse effects may include dizziness, headache, nausea, and fatigue, while serious adverse reactions are rare but may involve cardiac conduction abnormalities; therefore, caution is advised in patients with pre-existing cardiac conditions. Lacoset should be administered under strict medical supervision with appropriate monitoring. It is contraindicated in patients with known hypersensitivity to lacosamide or any of its excipients. Due to its potential interactions, a thorough review of concomitant medications is recommended prior to initiation. Storage conditions require protection from light and moisture at controlled room temperature.