Lacoset 50 Tablet contains lacosamide 50 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. This mechanism helps reduce the frequency and severity of seizures. Lacoset 50 is typically prescribed as adjunctive therapy for adults and pediatric patients aged 4 years and older. The tablet should be administered orally, with or without food, and dosage adjustments should be individualized based on clinical response and tolerability. Common adverse effects include dizziness, headache, nausea, and diplopia, which are generally mild to moderate in intensity. Caution is advised in patients with cardiac conduction abnormalities, as lacosamide may prolong PR interval; therefore, baseline and periodic ECG monitoring is recommended. Lacoset 50 should be used with caution in patients with hepatic or renal impairment, and dose adjustments may be necessary. It is contraindicated in individuals with known hypersensitivity to lacosamide or any excipients. As with all antiepileptic drugs, abrupt discontinuation should be avoided to prevent increased seizure frequency. Patients should be counseled regarding potential side effects and the importance of adherence to prescribed therapy.