MUCUS RELIEF (DEXTROMETHORPHAN HBR, GUAIFENESIN) TABLET, COATED [HARMON STORE INC.] Home MUCUS RELIEF (DEXTROMETHORPHAN HBR, GUAIFENESIN) TABLET, COATED [HARMON STORE INC.] MUCUS RELIEF (DEXTROMETHORPHAN HBR, GUAIFENESIN) TABLET, COATED [HARMON STORE INC.] PDF | XML NDC 63940-533-01 Set ID 617e2e19-5b8f-4af6-ac85-3bd2dee9aaad Generic Name Product Class Product Number Application Number PART341 Related Drugs Search DailyMed Drugs