- W-T topical
- Wal-Dryl (diphenhydramine-Zinc acetate) topical
- Wal-Fex
- Wal-finate
- Wal-Finate-D oral
- Wal-itin
- Wal-Mucil Fiber (psyllium seed) oral
- Wal-Profen
- Wal-Proxen
- Wal-Som Maximum Strength
- Wal-Zyr D
- Walgreens Dry Skin Treatment topical
- Warfarin
- Warfarin (Oral Route)
- Warfarin Oral Tablet
- Warfarin Sodium
- Warfarin Sodium Tablets
- WARFARIN-ORAL
- Wart Off topical
- Wart Remover
- Wart-Off Maximum Strength Topical
- Wasp and Bee Venom
- Water
- Water for Injection
- Water Tabs oral
- Watermelon Flavoring
- Wax base no.116 (bulk)
- Webcol topical
- Wee Care
- Welchol
- Welchol (Colesevelam Tablets)
- Wellbutrin
- Wellbutrin SR
- Wellbutrin Tablets
- Wellbutrin XL
- WellTuss EXP oral
- Westcort
- Westhroid oral
- Wheat dextrin-L. acidophilus-aspartame oral
- Whirlpool Solution topical
- White petrolatum-cocoa butter topical
- White wax (beeswax)
- Wilate
- Wild yam
- Willow bark-red clover-borage oral
- Winrho SDF
- Winsalate injection
- Witch hazel
- Witepsol H-15
- Wound Be Gone topical
- Wound Cleanser irrigation
- WP Thyroid
- Wycillin
- Wydase injection
- Wymox
- Wymzya FE
- Wytensin