Lacosamide is indicated for partial seizure epilepsy and should be used as prescribed. Lacosamide is commonly available in tablet and injection form. It selectively promotes slow inactivation of voltage-gated sodium channels, thereby stabilizing hyperexcitable neuronal cell membranes and inhibiting repetitive neuronal discharges. Lacosamide tablets are indicated as adjunctive therapy for partial seizure epilepsy in patients 16 years of age and older. Injections are indicated when oral administration is temporarily unavailable for the above patients. Common adverse reactions to lacosamide include vertigo, diplopia, blurred vision, nausea, vomiting, diarrhea, fatigue, gait disturbances, weakness, bruising, skin lacerations, dizziness, headache, ataxia, somnolence, tremor, nystagmus, balance disorders, memory disorders, depression, and pruritus. The drug is contraindicated in people who are allergic to the product, people with atrioventricular block of II or III degree. The drug should be used rationally under the supervision of a doctor.