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Quinapril

Quinapril is an active ingredient of the class «ACE inhibitor».

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An angiotensin-converting enzyme inhibitor (ACE inhibitor) used in the treatment of hypertension and congestive heart failure

Informational only — not medical advice. Ask a doctor or pharmacist; never change a dose on your own.

Boxed warning (US label)

Fetal toxicity. When pregnancy is detected, discontinue quinapril hydrochloride as soon as possible. Drugs that act directly on the renin-angiotensin system can cause injury and death to the developing fetus.

What it is used for

Hypertension Quinapril tablets, USP are indicated for the treatment of hypertension, to lower blood pressure. Lowering blood pressure reduces the risk of fatal and nonfatal cardiovascular events, primarily strokes and myocardial infarctions.

US label

How it works

Class: ACE inhibitor

Common side effects

Hypertension Quinapril hydrochloride has been evaluated for safety in 4960 subjects and patients. Of these, 3203 patients, including 655 elderly patients, participated in controlled clinical trials.

US label

Who should not take it

Quinapril tablets are contraindicated in patients who are hypersensitive to this product and in patients with a history of angioedema related to previous treatment with an ACE inhibitor.

US label

Pregnancy and breastfeeding

Because quinapril hydrochloride is secreted in human milk, caution should be exercised when this drug is administered to a nursing woman.

Excerpts from the US prescribing label (public domain), copied without changes.

Interactions

Recorded interactions from open sources (Wikidata, US labels). The list is not complete — ask a pharmacist.

Brand names

United States

Accupril

Canada

Auro-Quinapril · Jamp Quinapril · Pms-Quinapril · Taro-Quinapril

Other trade names

Accupro · Quinil

Approval status

US Food and Drug Administration
prescription · since 1991
Health Canada
prescription · marketed
First approval anywhere
1991

Codes

ATC
C09AA06
RxNorm CUI
35208
ChEMBL
CHEMBL1592
PubChem CID
40466957
UNII
RJ84Y44811
Wikidata
Q596022

Frequently asked questions

What is Quinapril used for?

Quinapril is used for: Congestive heart failure, Arterial hypertension, Cardiovascular disease, Diabetes, Stroke, Heart failure, and Kidney failure.

What kind of medicine is Quinapril?

Quinapril is an active ingredient of the class «ACE inhibitor».

What are the brand names of Quinapril?

Brand names of Quinapril include Accupril, Auro-Quinapril, Jamp Quinapril, Pms-Quinapril, Taro-Quinapril, Accupro, and Quinil.

Medicines in the same class

Sources and licences

Updated November 15, 2026