SILPHEN DM COUGH (DEXTROMETHORPHAN HYDROBROMIDE) LIQUID [LANNETT COMPANY, INC.] Home SILPHEN DM COUGH (DEXTROMETHORPHAN HYDROBROMIDE) LIQUID [LANNETT COMPANY, INC.] SILPHEN DM COUGH (DEXTROMETHORPHAN HYDROBROMIDE) LIQUID [LANNETT COMPANY, INC.] PDF | XML NDC 54838-105-40 Set ID cf9a5df1-34d9-4a22-9eae-529b4cc728d5 Generic Name Product Class Product Number Application Number PART341 Related Drugs Search DailyMed Drugs