Walgreens Co. BrandsUpdated: November 8, 2013 Walgreens Co. manufacturers the following brands:Wal-Dryl Wal-itin D 24 Hour Wal-Zyr GenericsBack to TopWalgreens Co. manufacturers the following generics:Cetirizine Diphenhydramine Loratadine Pseudoephedrine Zinc Acetate