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Benazepril

Benazepril Side Effects

Kristianne Hannemann, PharmDCydnee Ng, PharmD
Reviewed by Kristianne Hannemann, PharmD, Cydnee Ng, PharmD
Last reviewed on November 14, 2025

The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.

Common Side Effects

  • Headache (6%)
  • Dizziness (4%)
  • Drowsiness (2%)

Less Common Side Effects

  • Cough
  • Nausea
  • Muscle pain
  • Rash

Benazepril serious side effects

Contact your healthcare provider immediately if you experience any of the following.

  • Angioedema: swelling in the face, lips, tongue, throat, hands, or feet; trouble breathing; wheezing; stomach pain; nausea; vomiting
  • Serious allergic reaction: rash; hives; trouble breathing; swelling of the face, lips, tongue, or throat
  • Very low blood pressure: lightheadedness, dizziness, feeling faint, tiredness, confusion
  • Serious kidney problems: urinating less than usual, swelling in your feet or ankles, unexplained weight gain
  • High potassium levels: nausea, muscle weakness, numbness, tingling, pounding heart
When do Benazepril possible side effects begin and end?
Time passed since treatment started:
H
D
W
M
Dizziness
Cough
Risk of swelling (angioedema)
Seek immediate medical care if you experience this side effect.
If a line continues to the right, you'll likely keep experiencing this side effect once it starts.

Source: DailyMed

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The following Benazepril side effects have also been reported

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

Less common

Chills

cold sweats

confusion

dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position

unusual tiredness or weakness

Incidence not known

Arm, back, or jaw pain

blistering, peeling, or loosening of the skin

bloating or swelling of the face, arms, hands, lower legs, or feet

chest pain or discomfort

diarrhea

fast, irregular, pounding, or racing heartbeat or pulse

feeling of warmth

fever

general feeling of tiredness or weakness

itching

joint or muscle pain

large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs

nausea

rapid breathing

rapid weight gain

red skin lesions, often with a purple center

red, irritated eyes

redness of the face, neck, arms, and occasionally, upper chest

skin rash

sore throat

sores, ulcers, or white spots in the mouth or on the lips

sweating

tingling of the hands or feet

unusual weight gain or loss

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

Headache

Less common

Cough

dizziness

sleepiness or unusual drowsiness

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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