- Tobrex: tobramycin
- Tofranil: imipramine
- Tums: calcium carbonate
- Tylenol: acetaminophen
- Uritrol: furosemide
- V-Cillin K: Penicillin v potassium
- Valium: diazepam
- Vancocin: vancomycin
- Ventolin: albuterol
- Vivarin: caffeine
- Volmax: albuterol sulfate
- West-cort: hydrocortisone Valerate
- Xanax: alprazolam
- Xylocaine: lidcaine HCl local
- YF-vax: yellow fever vaccine
- Zantax: ranitidiine
- Zithromax: azithromycin
- Zoloft: setraline HCL
- Zovirax: acyclovir
- Zyrtec: cetirizine HCl