OpenClaim

Alfuzosin Side Effects

The most commonly reported side effects of alfuzosin include fatigue, dizziness, and off label use, based on 12,847 FDA adverse event reports from 2004 to 2025. 4.0% of reports found the drug to be ineffective.

Alfuzosin side effects

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

1
Fatigue4.0%519
2
Drug Ineffective4.0%517
3
Dizziness3.2%413
4
Off Label Use3.2%408
5
Fall3.2%405
6
Dyspnoea3.1%404
7
Acute Kidney Injury3.1%404
8
Drug Interaction3.0%391
9
Diarrhoea3.0%389
10
Hypotension2.7%343
11
Asthenia2.6%328
12
Death2.4%306
13
Nausea2.2%282
14
Pneumonia2.1%264
15
Anaemia2.0%257

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

Report severity

75.4%Serious9,691 reports
40.1%Hospitalizations5,149 reports
8.9%Fatal1,142 reports

Seriousness is determined by the reporter, not by OpenClaim.

Alfuzosin drug interactions

Other drugs that appear in adverse event reports alongside alfuzosin. 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
Lenalidomide3.9%505
2
Atorvastatin-calcium2.9%373
3
Furosemide2.8%359
4
Dutasteride2.5%321
5
Apixaban2.2%288
6
Bisoprolol-fumarate2.2%286
7
Amlodipine2.2%280
8
Omeprazole2.1%272
9
Lansoprazole2.1%269
10
Pantoprazole-sodium1.9%249
11
Metformin1.9%245
12
Alprazolam1.8%237
13
Prednisone1.7%212
14
Ramipril1.6%205
15
Rivaroxaban1.6%203

Taken alongside

1
Aspirin18.3%2,346
2
Atorvastatin-calcium14.9%1,911
3
Acetaminophen12.1%1,558
4
Finasteride11.4%1,465
5
Furosemide11.1%1,430
6
Omeprazole10.9%1,396
7
Amlodipine9.8%1,265
8
Metoprolol9.0%1,152
9
Metformin8.8%1,132
10
Ergocalciferol8.7%1,122
11
Pantoprazole-sodium8.7%1,113
12
Levothyroxine-sodium8.1%1,043
13
Simvastatin7.9%1,017
14
Allopurinol7.2%930
15
Albuterol6.7%860

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 alfuzosin side effects

3.8% of alfuzosin adverse event reports involve female patients and 88.0% involve male patients. The largest age group is elderly at 74%. These figures reflect who reports side effects, not underlying risk.

Sex

Female3.8%
Male88.0%
Unknown8.3%

Age group

< 2<0.1%
2–110.4%
12–17<0.1%
18–6425.6%
65+74.0%

What is alfuzosin used for

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

Adverse Drug ReactionAnuriaAnxietyArrhythmiaArthritis BacterialAtrial FibrillationAdenoma BenignAdverse Drug ReactionAgitationAnal FissureArrhythmiaBenign Prostatic HyperplasiaBenign Prostatic HypertrophyBk Virus InfectionBladder Ablation

Showing 15 of 222 indications

Alfuzosin brand names and reporting trend

Alfuzosin is sold under the brand name Uroxatral.

Brand names

Uroxatral9

Quarterly reports (20042025)

20052010201520202025

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

Taking alfuzosin with another medication?

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