Brand Name Chemical Name Zaditen ketotifen Zantac ranitidine hydrochloride Zebeta bisoprolol Zelnorm tegaserod Zerit stavudine Zetia ezetimibe Ziac bisoprolol fumarate and hydrochlorothiazide Zithromax azithromycin dihydrate Zocor simvastatin Zofran ondansetron hydrochloride Zoloft sertraline hydrochloride Zomig zolmitriptan Zovirax acyclovir Zyloprim allopurinol Zymar gatifloxacin Zyprexa olanzapine Zyrtec cetirizine hydrochloride