SILTUSSIN SA (GUAIFENESIN) LIQUID [PREFERRED PHARMACEUTICALS, INC] Home SILTUSSIN SA (GUAIFENESIN) LIQUID [PREFERRED PHARMACEUTICALS, INC] SILTUSSIN SA (GUAIFENESIN) LIQUID [PREFERRED PHARMACEUTICALS, INC] PDF | XML NDC 68788-9098-1 Set ID 264abf3d-c466-4209-b911-29ce18b0b816 Category HUMAN OTC DRUG LABEL Packager Preferred Pharmaceuticals, Inc Generic Name Product Class Product Number Application Number PART341 Related Drugs Search DailyMed Drugs