Blood Pressure Home > Accupril

The prescription drug Accupril is licensed to treat several conditions related to the heart and blood vessels, including high blood pressure and symptoms of congestive heart failure. The drug lowers blood pressure by blocking an enzyme in the body that causes blood vessels to constrict. Accupril comes as a tablet and is taken once or twice daily. Possible side effects include headache, fatigue, and cough.

What Is Accupril?

Accupril® (quinapril hydrochloride) is a prescription medicine that has been licensed to treat several conditions related to the heart and blood vessels. It is part of a class of drugs called angiotensin-converting enzyme inhibitors, or ACE inhibitors for short.

Who Makes Accupril?

It is manufactured by Pfizer Pharmaceuticals.

What Is It Used For?

Accupril has been licensed to treat a number of conditions. These uses include:
Accupril does not cure high blood pressure or congestive heart failure, and has not been approved for use in children.
(Click What Is Accupril Used For? for more information on what it is used for, including possible off-label uses.)

How Does It Work?

Accupril is part of a class of drugs called ACE inhibitors. ACE stands for angiotensin-converting enzyme. Accupril helps to block the angiotensin-converting enzyme, which is normally part of a reaction in the body that causes the blood vessels to narrow (constrict). By blocking this enzyme, the medication causes blood vessels to relax, which can lower blood pressure.
By helping blood vessels relax, Accupril also increases the efficiency of the heart. This means that the heart does not have to work as hard and more blood can be pumped out to the rest of the body. Both of these are helpful for a person with congestive heart failure.
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Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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