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Torsemide Side Effects

The most commonly reported side effects of torsemide include dyspnoea, fatigue, and acute kidney injury, based on 34,002 FDA adverse event reports from 2004 to 2025.

Torsemide side effects

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

1
Dyspnoea9.4%3,202
2
Fatigue6.1%2,072
3
Acute Kidney Injury5.5%1,863
4
Diarrhoea5.4%1,848
5
Nausea5.4%1,826
6
Dizziness5.1%1,743
7
Death4.8%1,645
8
Fall4.3%1,451
9
General Physical Health Deterioration4.2%1,438
10
Oedema Peripheral4.2%1,421
11
Headache4.1%1,403
12
Hypotension3.8%1,298
13
Anaemia3.8%1,284
14
Pneumonia3.5%1,191
15
Cardiac Failure3.5%1,174

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

Report severity

80.9%Serious27,524 reports
53.8%Hospitalizations18,302 reports
13.9%Fatal4,719 reports

Seriousness is determined by the reporter, not by OpenClaim.

Torsemide drug interactions

Other drugs that appear in adverse event reports alongside torsemide. 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
Treprostinil9.5%3,217
2
Apixaban4.0%1,362
3
Valsartan3.9%1,310
4
Pantoprazole-sodium3.8%1,288
5
Aspirin3.7%1,274
6
Lenalidomide3.6%1,235
7
Ambrisentan3.3%1,124
8
Spironolactone3.1%1,060
9
Omeprazole2.8%961
10
Ramipril2.5%866
11
Metoprolol2.5%860
12
Sacubitril2.5%844
13
Bisoprolol-fumarate2.5%843
14
Esomeprazole2.4%821
15
Macitentan2.4%818

Taken alongside

1
Aspirin23.4%7,963
2
Metoprolol20.3%6,919
3
Spironolactone20.2%6,883
4
Atorvastatin-calcium19.7%6,694
5
Pantoprazole-sodium18.2%6,193
6
Levothyroxine-sodium16.7%5,684
7
Potassium-chloride16.6%5,661
8
Acetaminophen16.3%5,553
9
Ergocalciferol14.5%4,947
10
Allopurinol13.5%4,598
11
Albuterol13.4%4,549
12
Insulin12.6%4,283
13
Omeprazole12.5%4,259
14
Amlodipine12.3%4,198
15
Gabapentin11.6%3,935

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 torsemide side effects

50.9% of torsemide adverse event reports involve female patients and 43.4% involve male patients. The largest age group is elderly at 67%. These figures reflect who reports side effects, not underlying risk.

Sex

Female50.9%
Male43.4%
Unknown5.7%

Age group

< 20.2%
2–11<0.1%
12–17<0.1%
18–6432.3%
65+67.4%

What is torsemide used for

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

Abdominal DiscomfortAbdominal DistensionAccidental ExposureAcute Kidney InjuryAcute Myocardial InfarctionAcute Respiratory FailureAmyloidosisAmyloidosis SenileAngina PectorisAntiviral TreatmentAortic Valve IncompetenceAortic Valve ReplacementArrhythmiaArthralgiaAscites

Showing 15 of 437 indications

Torsemide brand names and reporting trend

Torsemide is sold under the brand name Demadex.

Brand names

Demadex34,666

Quarterly reports (20042025)

20052010201520202025

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

Taking torsemide with another medication?

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