WAL FLU SEVERE COLD AND COUGH (Acetaminophen, Diphenhydramine Hydrochloride, Phenylephrine Hydrochloride) Powder, For Solution [Walgreen Company] WAL FLU SEVERE COLD AND COUGH (Acetaminophen, Diphenhydramine Hydrochloride, Phenylephrine Hydrochloride) Powder, For Solution [Walgreen Company]Source: DailyMed Drug Label UpdatesPublished on 2018-08-10