Lamepil MR 100 Tablet contains Lamotrigine 100mg, an antiepileptic medication primarily used in the management of epilepsy and bipolar disorder. Lamotrigine functions by stabilizing neuronal membranes and modulating voltage-sensitive sodium channels, thereby inhibiting the release of excitatory neurotransmitters such as glutamate. This mechanism helps to prevent the initiation and spread of seizure activity in the brain. Lamepil MR 100 is indicated for the treatment of partial seizures, generalized tonic-clonic seizures, and seizures associated with Lennox-Gastaut syndrome. Additionally, it is employed as a mood stabilizer in bipolar disorder to delay the occurrence of mood episodes, including depression and mania. The modified-release formulation allows for a sustained release of the active ingredient, enhancing patient compliance through once or twice-daily dosing and minimizing peak-related side effects. Common adverse effects may include dizziness, headache, blurred vision, nausea, and rash; however, serious hypersensitivity reactions such as Stevens-Johnson syndrome, although rare, necessitate immediate discontinuation of therapy. Dose titration is essential to reduce the risk of adverse effects. Lamepil MR 100 should be prescribed and monitored by healthcare professionals, with consideration given to potential drug interactions and patient-specific factors.