If you’ve been diagnosed with high blood pressure, you may be prescribed benazepril. Benazepril is an ACE inhibitor, a type of drug that keeps blood vessels dilated and relaxed. Think of your blood vessels like a highway. An ACE inhibitor like benazepril essentially converts a two-lane highway to an eight-lane, reducing traffic and letting your blood flow more freely. ACE inhibitors also remove some of the fluid from your bloodstream, lowering your blood volume and further reducing blood pressure. Here’s more on what you need to know about benazepril , its primary uses, and what side effects to be aware of before taking the drug.