WelChol (Generic Colesevelam) Weh-Weh (Generic Capsaicin Topical) Wegovy (Generic Semaglutide Injection) Warfarin Wal Zyr D (Generic Cetirizine) Wal-itin (Generic Loratadine) Wakix (Generic Pitolisant) Wal Tussin DM (Generic Guaifenesin) Wal Tussin (Generic Guaifenesin) 1 2 3