SILPHEN (DIPHENHYDRAMINE HYDROCHLORIDE) SYRUP [LANNETT COMPANY, INC.] Home SILPHEN (DIPHENHYDRAMINE HYDROCHLORIDE) SYRUP [LANNETT COMPANY, INC.] SILPHEN (DIPHENHYDRAMINE HYDROCHLORIDE) SYRUP [LANNETT COMPANY, INC.] PDF | XML NDC 54838-154-40, 54838-154-70, 54838-154-80 Set ID d18e22f2-8cda-4862-b437-e83648a5108a Generic Name Product Class Product Number Application Number PART341 Related Drugs SILPHEN COUGH SYRUP SILARX/LANNETT based on 0 rating SILPHEN COUGH SYRUP SILARX/LANNETT based on 0 rating SILPHEN COUGH SYRUP SILARX/LANNETT based on 0 rating Search DailyMed Drugs