Retigabine is primarily used as an anticonvulsant medication for the treatment of epilepsy, specifically for managing partial-onset seizures in adults. It works by enhancing the activity of potassium channels in the brain, which helps stabilize neuronal activity and reduce the occurrence of seizures. This mechanism of action is unique compared to other antiepileptic drugs, making it a valuable option for patients who do not respond adequately to conventional treatments. Retigabine is typically prescribed when other medications have proven ineffective, offering an alternative therapeutic approach for seizure control. However, due to potential side effects such as retinal abnormalities and blue discoloration of the skin and eyes, its use is carefully monitored, and patients are advised to undergo regular eye examinations during treatment.