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Irbesartan: Side Effects

The most commonly reported side effects of irbesartan: include fatigue, nausea, and diarrhoea, based on 5,163 FDA adverse event reports from 2004 to 2025. 4.6% of reports found the drug to be ineffective.

Irbesartan: side effects

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

1
Fatigue8.0%411
2
Nausea6.3%327
3
Diarrhoea6.2%320
4
Dizziness4.7%244
5
Drug Ineffective4.6%238
6
Dyspnoea4.3%222
7
Pain4.1%212
8
Headache3.8%198
9
Fall3.7%193
10
Death3.4%177
11
Asthenia3.2%165
12
General Physical Health Deterioration3.0%156
13
Rash2.9%152
14
Arthralgia2.9%149
15
Vomiting2.7%139

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

Report severity

55.7%Serious2,878 reports
35.0%Hospitalizations1,808 reports
6.4%Fatal332 reports

Seriousness is determined by the reporter, not by OpenClaim.

Irbesartan: drug interactions

Other drugs that appear in adverse event reports alongside irbesartan:. 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
Etanercept12.5%644
2
Apremilast5.5%286
3
Adalimumab5.3%276
4
Lenalidomide3.0%156
5
Enzalutamide2.2%115
6
Esomeprazole1.8%94
7
Dupilumab1.7%89
8
Aspirin1.7%88
9
Omeprazole1.6%84
10
Pirfenidone1.6%83
11
Dalfampridine1.6%82
12
Metoprolol1.5%78
13
Interferon1.5%77
14
Gemfibrozil1.5%75
15
Evolocumab1.3%67

Taken alongside

1
Amlodipine18.7%964
2
Aspirin17.6%911
3
Levothyroxine-sodium16.7%862
4
Metoprolol16.6%859
5
Lisinopril16.1%833
6
Ergocalciferol16.1%829
7
Atorvastatin-calcium15.0%773
8
Metformin13.8%710
9
Omeprazole13.0%673
10
Simvastatin12.7%658
11
Prednisone12.6%648
12
Gabapentin11.8%610
13
Pantoprazole-sodium11.7%606
14
Losartan-potassium11.7%605
15
Acetaminophen11.7%603

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 irbesartan: side effects

61.6% of irbesartan: adverse event reports involve female patients and 33.7% involve male patients. The largest age group is elderly at 50%. These figures reflect who reports side effects, not underlying risk.

Sex

Female61.6%
Male33.7%
Unknown4.7%

Age group

< 20.2%
2–110.1%
12–17<0.1%
18–6449.5%
65+50.1%

What is irbesartan: used for

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

Abdominal DistensionArthritisAtrial FibrillationBlood Calcium DecreasedBlood CholesterolBlood PressureBlood Pressure AbnormalBlood Pressure HighBlood Pressure IncreasedBlood Pressure ManagementBlood Pressure MeasurementBlood Triglycerides IncreasedBlood Uric Acid IncreasedBronchopulmonary DysplasiaCardiac Disorder

Showing 15 of 66 indications

Irbesartan: brand names and reporting trend

Irbesartan: is sold under the brand name Irbesartan; Hydrochlorothiazide.

Brand names

Irbesartan; Hydrochlorothiazide5,274

Quarterly reports (20042025)

20052010201520202025

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

Taking irbesartan: with another medication?

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