Objective: To describe the clinical characteristics, auxiliary tests, and treatment of children presenting with a first epileptic seizure at a Level III-1 national hospital in Lima, Peru. Materials and Methods: A prospective case series study was conducted in patients older than one month and younger than 14 years, treated for a first epileptic seizure at a Level III-1 national hospital in Lima, Peru, between December 2019 and November 2020. The diagnosis of epileptic seizure was established by a pediatric neurologist. The data were collected through interviews with family members and review of medical records. Results: A total of 39 patients were included, with a mean age of 52.6 months. Generalized seizures were the most frequent type (82%), predominantly generalized tonic-clonic seizures (61.5%). The main etiologies were febrile seizures (35.9%), acute central nervous system infection...