METAXALONE TABLET [PROFICIENT RX LP] Home METAXALONE TABLET [PROFICIENT RX LP] METAXALONE TABLET [PROFICIENT RX LP] PDF | XML NDC 63187-490-10, 63187-490-30, 63187-490-60, 63187-490-90 Set ID fba1601d-3ac4-41cf-9548-35ec4994a95e Generic Name Product Class Product Number Application Number ANDA203399 Related Drugs Search DailyMed Drugs