The drug is prescribed to treat hypertension (high blood pressure). In addition, it helps to prevent heart attacks, strokes, and congestive heart failure.

IUPAC name: 2-[(3S)-3-[[(2S)-1-ethoxy-1-oxo-4-phenylbutan-2-yl]amino]-2-oxo-4,5-dihydro-3H-1-benzazepin-1-yl]acetic acid

Drug class: ACE inhibitor

Route of administration: Oral 

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Is it a drug that needs a prescription? YES

Is it an OTC drug? NO

Mechanism of action

This medication is an angiotensin-converting enzyme (ACE) inhibitor. It works by inhibiting an enzyme that causes blood vessels to constrict.

It functions by relaxing blood vessels (veins and arteries) and lowering heart pressure, allowing blood to flow more smoothly and the heart to pump blood more readily.        

Side effects

The side effects of benazepril may include dizziness, coughing, exhaustion, nausea, vomiting, fainting, hypotension (decreased blood pressure), and elevated potassium levels.


 If you are pregnant, do not use this medicine. Consult your doctor if you become pregnant while taking this drug since it might damage the developing fetus.


Before using this medication, take the following precautions and notify your doctor:

If you are allergic to it or to other ACE inhibitors (such as enalapril, lisinopril, captopril, ramipril, moexipril), or if you have other allergies,

If you are taking any other medication (prescribed, non-prescribed, or herbal products),

If you have or have ever had cardiac disease, hepatic disease, renal disease, hypotension (low blood pressure), diabetes, angioedema, scleroderma, lupus, or a high blood potassium level,

Your potassium levels might go up if you use this medicine. Avoid potassium-containing items.

If you have undergone any type of surgery,

While taking this medication, limit your alcohol usage since it increases your chances of developing blurred vision, dizziness, or drowsiness. It may also cause a loss of alertness.

You should be aware that dehydration, vomiting, excessive perspiration, and diarrhea can lower blood pressure, which can lead to fainting and dizziness.

Avoid abruptly discontinuing this medication without consulting your doctor.

The adverse effects of this medicine may affect older people more severely.

Consult your doctor if you are breastfeeding

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