Lacosam Injection contains lacosamide 10 mg, 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 normal neuronal excitability. This mechanism contributes to its efficacy in reducing seizure frequency. Lacosam Injection is administered intravenously, providing an alternative route for patients unable to take oral formulations or requiring rapid therapeutic levels. It is typically used as adjunctive therapy in adults and pediatric patients aged 4 years and above. The injection should be administered slowly over 15 to 30 minutes to minimize the risk of adverse reactions. Common side effects include dizziness, headache, nausea, and fatigue, while serious adverse events may involve cardiac conduction abnormalities; therefore, caution is advised in patients with pre-existing cardiac conditions. Dosage adjustments may be necessary in renal or hepatic impairment. Lacosam Injection should be used under strict medical supervision with regular monitoring to ensure optimal therapeutic outcomes and minimize potential risks. It is contraindicated in patients with known hypersensitivity to lacosamide or any of its excipients.