Dizziness, lightheadedness, drowsiness, or headache may occur as your body adjusts to the medication. Dry cough may also occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Although benazepril may be used to prevent kidney problems or treat people who have kidney problems, it may also rarely cause serious kidney problems or make them worse. Your doctor will check your kidney function while you are taking benazepril. Tell your doctor right away if you have any signs of kidney problems such as a change in the amount of urine.
This drug may rarely cause serious (possibly fatal) liver problems. Tell your doctor right away if you notice any of the following rare but serious side effects: yellowing eyes/skin, dark urine, extreme tiredness, severe stomach/abdominal pain, persistent nausea/vomiting.
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.