SUNMARK MUCUS RELIEF (GUAIFENESIN) TABLET, EXTENDED RELEASE [MCKESSON] Home SUNMARK MUCUS RELIEF (GUAIFENESIN) TABLET, EXTENDED RELEASE [MCKESSON] SUNMARK MUCUS RELIEF (GUAIFENESIN) TABLET, EXTENDED RELEASE [MCKESSON] PDF | XML NDC 70677-0055-1 Set ID 41a3adc9-22ca-4409-ba07-3f6ea3b68cf2 Generic Name Product Class Product Number Application Number ANDA209215 Related Drugs Search DailyMed Drugs