Yasmin, Yaz, and Ocella are the common brand names of an oral contraceptive that combines drospirenone, a progestin, and ethinylestradiol, an estrogen, to prevent pregnancy.
Zithromax is the brand name for the generic drug Azithromycin and is an antibiotic available by prescription only. Zithromax belongs to the macolide antibiotic group of drugs.
Zoloft is a brand name for the antidepressant Sertraline is most often used to treat depression, panic attacks and anxiety and post traumatic stress disorders.
Zyprexa, known generically as olanzapine, is an atypical antipsychotic that is available by prescription only and works by altering brain chemicals including serotonin and dopamine.