Drugs: W
- Wal Tussin®see Guaifenesin
- Wal Tussin DM® (as a combination product containing Dextromethorphan, Guaifenesin)see Guaifenesin
- Wal Zyr D (as a combination product containing Cetirizine, Pseudoephedrine)see Cetirizine
- Wal-itin®see Loratadine
- Warfarin
- WelChol®see Colesevelam
- Wellbid D® (as a combination product containing Guaifenesin, Phenylephrine)see Phenylephrine
- Wellbutrin®see Bupropion
- Wellbutrin® SRsee Bupropion
- Wellbutrin® XLsee Bupropion
- Wellcovorinsee Leucovorin
- Wellcovorin® I.V.see Leucovorin Injection
- Westadone®see Methadone
- Whole Care®see Fluoride
- Wigraine® (as a combination product containing Caffeine, Ergotamine)see Ergotamine and Caffeine
- Wymox®see Amoxicillin
- Wytensin®see Guanabenz
