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Quinapril is used alone or in combination with other drugs in the treatment of high blood pressure and heart failure.

How it works

Quinapril belongs to the group of medicines called Angiotensin Converting Enzyme (ACE) Inhibitors. Quinapril decreases the chemical that narrows the blood vessels; thereby increasing the blood flow and improving the blood pressure.

Common side effects

Cough, Diarrhoea, Dizziness, Headache, Fatigue


Expert advice

  • Consult your doctor if you have any of the following medical conditions: allergies, asthma or diabetes.
  • Quinapril may cause dry, unproductive cough and it usually stops when treatment with quinapril is stopped.
  • Your glycaemic control should be closely monitored during the first month of treatment with quinapril.
  • Do not drive or operate machinery, as quinapril may make you feel dizzy or weary.
  • Seek immediate medical attention if you develop severe allergic reactions: swelling of face, tongue and throat which cause great difficulty breathing; severe abdominal pain, severe chest pain or tightness of chest, feeling dizzy particularly when standing, and jaundice.
  • Do not consume alcohol while taking quinapril, as it may worsen the side effects.

Frequently asked questions


Q. Does quinapril contain quinine/ diuretic?
Quinapril does not contain quinine or diuretic.
Q. Does quinapril lower heart rate/ cause weight gain/ erectile dysfunction/ hair loss/ insomnia/ make you sleepy?
Quinapril does not lower rate or cause weight gain, erectile dysfunction, hair loss or sleepiness. However, it is known to cause insomnia. Please consult your doctor if you experience any such side effects.
Q. Can I take ibuprofen with quinapril?
Do not take ibuprofen with quinapril as it is known to interact when taken together. Please consult your doctor for the change of dose regimen or an alternative drug of choice that may strictly be required.

Content on this page was last updated on 03 October, 2016, by Dr. Varun Gupta (MD Pharmacology)