Lamitor OD 100 Tablet SR contains Lamotrigine 100mg, an antiepileptic medication primarily used for the management of epilepsy and bipolar disorder. Lamotrigine acts by stabilizing neuronal membranes and modulating voltage-sensitive sodium channels, thereby inhibiting the release of excitatory neurotransmitters such as glutamate. This mechanism helps in reducing the frequency and severity of seizures in patients with partial seizures, generalized tonic-clonic seizures, and seizures associated with Lennox-Gastaut syndrome. Additionally, Lamotrigine is effective as a mood stabilizer in bipolar disorder, helping to delay the time to occurrence of mood episodes, including depression, mania, and hypomania. Lamitor OD 100 Tablet SR is formulated as a sustained-release tablet to ensure a steady plasma concentration, improving patient compliance and minimizing side effects. It is generally well-tolerated, but patients should be monitored for potential adverse reactions such as skin rash, dizziness, headache, and gastrointestinal disturbances. Serious hypersensitivity reactions, including Stevens-Johnson syndrome, although rare, require immediate medical attention. Dose titration is essential to reduce the risk of rash. Lamitor OD 100 Tablet SR should be used under medical supervision, with consideration of drug interactions and patient-specific factors to optimize therapeutic outcomes.