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Benazepril Side Effects

The most commonly reported side effects of benazepril include fatigue, diarrhoea, and nausea, based on 30,973 FDA adverse event reports from 2004 to 2025. 3.9% of reports found the drug to be ineffective.

Benazepril side effects

Percentages show how often each reaction appears relative to total reports for benazepril.

1
Fatigue4.5%1,401
2
Drug Ineffective3.9%1,216
3
Diarrhoea3.6%1,122
4
Nausea3.3%1,027
5
Chronic Kidney Disease2.9%885
6
Dizziness2.8%866
7
Headache2.7%842
8
Pain2.7%828
9
Acute Kidney Injury2.6%804
10
Dyspnoea2.6%794
11
Nausea2.5%788
12
Arthralgia2.2%680
13
Off Label Use2.1%655
14
Asthenia2.1%641
15
Fall2.1%637

These are voluntary reports and do not establish that benazepril caused these reactions.

Report severity

59.7%Serious18,480 reports
30.4%Hospitalizations9,418 reports
7.7%Fatal2,395 reports

Seriousness is determined by the reporter, not by OpenClaim.

Benazepril drug interactions

Other drugs that appear in adverse event reports alongside benazepril. Drugs flagged as a suspected cause appear in the first column. Drugs taken at the same time but not suspected appear in the second.

Also suspected

1
Amlodipine6.9%2,150
2
Adalimumab4.6%1,419
3
Lenalidomide4.2%1,289
4
Rosiglitazone-maleate3.1%966
5
Esomeprazole3.1%953
6
Omeprazole2.9%900
7
Pantoprazole-sodium2.0%620
8
Metformin1.8%566
9
Lansoprazole1.8%559
10
Exenatide-synthetic1.5%477
11
Niacin1.4%441
12
Etanercept1.4%440
13
Pregabalin1.4%439
14
Rivaroxaban1.4%426
15
Aspirin1.4%419

Taken alongside

1
Amlodipine47.9%14,838
2
Aspirin22.7%7,032
3
Atorvastatin-calcium15.4%4,774
4
Metformin15.2%4,705
5
Metoprolol14.6%4,525
6
Hydrochlorothiazide14.3%4,438
7
Acetaminophen14.1%4,363
8
Levothyroxine-sodium12.9%3,995
9
Furosemide12.8%3,977
10
Ergocalciferol12.3%3,801
11
Simvastatin10.8%3,357
12
Omeprazole10.3%3,202
13
Gabapentin8.9%2,748
14
Insulin8.3%2,582
15
Albuterol7.6%2,343

Co-occurrence in adverse event reports does not establish a drug interaction. Patients often take multiple medications, and these lists reflect prescribing patterns rather than causal relationships. Consult a healthcare provider about potential drug interactions.

Who reports benazepril side effects

52.3% of benazepril adverse event reports involve female patients and 42.8% involve male patients. The largest age group is elderly at 53%. These figures reflect who reports side effects, not underlying risk.

Sex

Female52.3%
Male42.8%
Unknown4.9%

Age group

< 2<0.1%
2–11<0.1%
12–170.2%
18–6447.0%
65+52.6%

What is benazepril used for

Conditions and purposes for which patients were taking benazepril when the adverse event was reported.

Abdominal DiscomfortAcute Coronary SyndromeAlbuminuriaAlpha-1 Anti-trypsin DeficiencyAngina PectorisAngioneurotic OedemaAngiopathyAngiotensin Converting EnzymeAngiotensin Converting Enzyme Inhibitor FoetopathyAnkylosing SpondylitisAnxietyAortic DissectionArterial Bypass OperationArterial DisorderArteriosclerosis Coronary Artery

Showing 15 of 242 indications

Benazepril brand names and reporting trend

Benazepril is sold under the brand name Amlodipine Besylate; Benazepril Hydrochloride.

Brand names

Amlodipine Besylate; Benazepril Hydrochloride107

Quarterly reports (20042025)

20052010201520202025

An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.

Taking benazepril with another medication?

Ask OpenClaim about your specific drug combination. Get a sourced report using FDA data, drug labels, and medical literature.