Although rare, primary erythromelalgia can have a major negative impact on a person's quality of life. There is no accepted standard of care for erythromelalgia, despite the fact that many individuals with this ailment need systemic therapy. Here, we present the case of a 7-year-old girl who, following therapy with low-dose gabapentin had her erythromelalgia symptoms resolve without any negative side effects. We also go through the effectiveness and safety of using low-dose gabapentin to relieve pain in youngsters.