Zyloprim is used to treat high uric acid levels in the blood or urine caused by certain types of cancer chemotherapy

Zantac is used for treating certain types of ulcers and other stomach conditions

Zyrtec is an antihistamine. It works by blocking the action of histamine and reduces the symptoms of an allergic reaction

Zithromax is used for treating mild to moderate infections caused by certain bacteria

Zoloft is used for treating depression, obsessive-compulsive disorder (OCD), panic disorder, posttraumatic stress disorder (PTSD), premenstrual dysphoric disorder (PMDD; a severe form of premenstrual syndrome), and social anxiety disorder

Zovirax is used for treating chickenpox (varicella) or shingles (herpes zoster) and treating or suppressing genital herpes infections

Zetia is used for reducing total cholesterol, LDL cholesterol and triglycerides and for increasing HDL cholesterol

Zocor is used for lowering blood cholesterol levels and thereby reducing the risk of stroke, heart attack, and heart disease