Quinapril hydrochloride is the hydrochloride salt of quinapril, the ethyl ester of a nonsulfhydryl, angiotensin-converting enzyme (ACE) inhibitor, quinaprilat.

Questran is used to lower cholesterol levels in the blood of people with primary hypercholesterolemia (too much LDL cholesterol). Hypercholesterolemia is a genetic condition characterized by a lack of the LDL receptors that remove cholesterol from the bloodstream.

... Quinidex Extentabs. ... Return to top Quinidex Extentabs are used to correct certain types of irregular heart rhythms and to slow an abnormally fast heartbeat. ...