TORSEMIDE

85/100 · Critical

Manufactured by Sarfez Pharmaceuticals Inc

Torsemide Adverse Events: High Serious Reaction Rate and Renal Concerns

74,224 FDA adverse event reports analyzed

Last updated: 2026-05-12

About TORSEMIDE

TORSEMIDE is a medication tracked in the FDA Adverse Event Reporting System (FAERS), manufactured by Sarfez Pharmaceuticals Inc. Based on analysis of 74,224 FDA adverse event reports, TORSEMIDE has a safety score of 85 out of 100. This score indicates a relatively favorable safety profile, with fewer or less severe adverse events compared to many other tracked medications. The most commonly reported adverse reactions for TORSEMIDE include DYSPNOEA, FATIGUE, NAUSEA, DIARRHOEA, DIZZINESS. This page provides a comprehensive breakdown of reported side effects, safety signals, patient demographics, and AI-powered safety analysis for TORSEMIDE.

AI Safety Analysis

Torsemide has a safety concern score of 85 out of 100, placing it in the high concern category based on analysis of FDA adverse event data. The FDA has received approximately 74,224 adverse event reports for this medication, which is primarily manufactured by Sarfez Pharmaceuticals Inc.

The most commonly reported adverse events include Dyspnoea, Fatigue, Nausea. Of classified reports, 81.5% were designated as serious by the FDA, meaning they involved hospitalization, disability, or other significant medical outcomes. Torsemide reports show a high rate of serious adverse events, particularly involving renal function and cardiovascular issues.

The most common reactions include dyspnea, fatigue, and nausea, with a significant number of reports involving acute kidney injury and death. Renal failure and deterioration in general physical health are notable concerns, with a high number of reports indicating these issues. Cardiac failure and pneumonia are also frequently reported, highlighting the need for careful monitoring in patients.

Patients taking Torsemide should monitor for the commonly reported side effects and contact their healthcare provider if they experience any unusual symptoms. Torsemide can interact with other drugs, potentially leading to adverse effects such as hypotension, hypokalemia, and renal impairment. Warnings are issued for patients with pre-existing renal or cardiac conditions. This analysis is based on voluntary FDA adverse event reports and should not replace professional medical advice.

Safety Score: 85/100

Torsemide received a safety concern score of 85/100 (high concern). This is based on a 81.5% serious event ratio across 31,073 classified reports. The score accounts for 74,224 total adverse event reports and 100 distinct reaction types. This high score reflects a significant proportion of serious adverse events in the reporting data.

Top Adverse Reactions

DYSPNOEA3,305 reports
FATIGUE2,066 reports
NAUSEA1,926 reports
DIARRHOEA1,918 reports
DIZZINESS1,823 reports
ACUTE KIDNEY INJURY1,734 reports
DEATH1,638 reports
GENERAL PHYSICAL HEALTH DETERIORATION1,581 reports
OEDEMA PERIPHERAL1,526 reports
FALL1,512 reports
ANAEMIA1,405 reports
HYPOTENSION1,405 reports
HEADACHE1,385 reports
CARDIAC FAILURE1,341 reports
PNEUMONIA1,286 reports
ASTHENIA1,235 reports
VOMITING1,196 reports
COUGH1,175 reports
ATRIAL FIBRILLATION1,130 reports
RENAL FAILURE1,098 reports
OFF LABEL USE1,082 reports
PAIN1,059 reports
CHRONIC KIDNEY DISEASE1,010 reports
CONDITION AGGRAVATED981 reports
DRUG INTERACTION943 reports
WEIGHT DECREASED909 reports
RENAL IMPAIRMENT904 reports
PYREXIA895 reports
DEHYDRATION860 reports
DRUG INEFFECTIVE851 reports
FLUID RETENTION788 reports
WEIGHT INCREASED773 reports
CARDIAC FAILURE CONGESTIVE754 reports
DECREASED APPETITE754 reports
ARTHRALGIA729 reports
MALAISE726 reports
PERIPHERAL SWELLING702 reports
CONSTIPATION701 reports
PAIN IN EXTREMITY692 reports
URINARY TRACT INFECTION682 reports
SYNCOPE676 reports
CHEST PAIN641 reports
HYPERTENSION637 reports
DYSPNOEA EXERTIONAL595 reports
BLOOD CREATININE INCREASED586 reports
HAEMOGLOBIN DECREASED586 reports
PRURITUS584 reports
GASTROINTESTINAL HAEMORRHAGE575 reports
HYPOKALAEMIA561 reports
ABDOMINAL PAIN554 reports
HYPONATRAEMIA550 reports
PLEURAL EFFUSION542 reports
RASH528 reports
GAIT DISTURBANCE507 reports
ABDOMINAL PAIN UPPER497 reports
SEPSIS486 reports
HAEMATOCHEZIA484 reports
BACK PAIN480 reports
HYPERKALAEMIA480 reports
OEDEMA476 reports
CONFUSIONAL STATE474 reports
SOMNOLENCE438 reports
BRADYCARDIA435 reports
MYOCARDIAL INFARCTION435 reports
COVID 19428 reports
INSOMNIA423 reports
EPISTAXIS421 reports
BLOOD GLUCOSE INCREASED403 reports
THROMBOCYTOPENIA403 reports
TACHYCARDIA394 reports
PRODUCT DOSE OMISSION ISSUE392 reports
ANXIETY391 reports
RESPIRATORY FAILURE385 reports
OXYGEN SATURATION DECREASED384 reports
ABDOMINAL DISTENSION375 reports
MYALGIA374 reports
FEELING ABNORMAL371 reports
PULMONARY HYPERTENSION365 reports
END STAGE RENAL DISEASE362 reports
PRODUCT PRESCRIBING ERROR361 reports
RENAL FAILURE ACUTE359 reports
CARDIAC DISORDER355 reports
NASOPHARYNGITIS352 reports
BLOOD PRESSURE DECREASED351 reports
DEPRESSION351 reports
MUSCLE SPASMS349 reports
PALPITATIONS347 reports
BLOOD PRESSURE INCREASED346 reports
MUSCULAR WEAKNESS341 reports
INFECTION338 reports
ABDOMINAL DISCOMFORT334 reports
HOSPITALISATION334 reports
LOSS OF CONSCIOUSNESS334 reports
PULMONARY OEDEMA334 reports
ERYTHEMA319 reports
ARRHYTHMIA317 reports
CHRONIC OBSTRUCTIVE PULMONARY DISEASE315 reports
CEREBROVASCULAR ACCIDENT311 reports
PLATELET COUNT DECREASED310 reports
TREMOR308 reports

Key Safety Signals

  • Acute kidney injury and renal failure are key safety signals, with a high number of reports indicating these issues.
  • Cardiac failure and death are also significant safety signals, with a notable number of serious reports.
  • Renal impairment and deterioration in general physical health are other key signals, with a high volume of reports.

Patient Demographics

Adverse event reports by sex: Female: 15,666, Male: 13,621, Unknown: 20. The most frequently reported age groups are age 73 (730 reports), age 70 (715 reports), age 78 (711 reports). These demographics reflect reporting patterns and may not represent the full patient population.

Report Outcomes

Out of 31,073 classified reports for TORSEMIDE:

  • Serious: 25,321 reports (81.5%) — includes hospitalization, disability, life-threatening events, or death
  • Non-Serious: 5,752 reports (18.5%)
Serious 81.5%Non-Serious 18.5%

The FDA classifies an adverse event as “serious” if it results in death, hospitalization, disability, congenital anomaly, or requires intervention to prevent permanent damage.

Demographics Breakdown

Reports by Sex

Female15,666 (53.5%)
Male13,621 (46.5%)
Unknown20 (0.1%)

Reports by Age

Age 73730 reports
Age 70715 reports
Age 78711 reports
Age 79703 reports
Age 82689 reports
Age 74687 reports
Age 81677 reports
Age 83676 reports
Age 75670 reports
Age 71660 reports
Age 69659 reports
Age 80655 reports
Age 76645 reports
Age 72638 reports
Age 68637 reports
Age 77628 reports
Age 67557 reports
Age 85546 reports
Age 65526 reports
Age 64514 reports

Demographics reflect voluntary FDA adverse event reporting patterns and may not represent the full patient population.

Drug Interactions & Warnings

Torsemide can interact with other drugs, potentially leading to adverse effects such as hypotension, hypokalemia, and renal impairment. Warnings are issued for patients with pre-existing renal or cardiac conditions.

What You Should Know

If you are taking Torsemide, here are important things to know. The most commonly reported side effects include dyspnoea, fatigue, nausea, diarrhoea, dizziness. While many of these may be mild and temporary, you should contact your healthcare provider if any symptoms are severe or persistent. Monitor patients for signs of renal impairment and cardiac failure, especially in elderly patients. Regularly check electrolyte levels, particularly potassium, and adjust dosages as needed. Be cautious when co-administering Torsemide with other diuretics or drugs that affect renal function. If you experience a serious adverse reaction, seek emergency medical attention immediately or call 911. You can report side effects to the FDA's MedWatch program at 1-800-FDA-1088.

Regulatory Context

The FDA closely monitors Torsemide for safety, particularly for serious renal and cardiac events. Healthcare providers should be vigilant and adjust dosages as necessary to mitigate risks.

Frequently Asked Questions

How many adverse event reports has the FDA received for Torsemide?

The FDA has received approximately 74,224 adverse event reports associated with Torsemide. These reports come from healthcare professionals, consumers, and manufacturers through the FDA Adverse Event Reporting System (FAERS). Note that the number of reports does not directly indicate the frequency of side effects, as adverse events are voluntarily reported and may be underrepresented.

What are the most commonly reported side effects of Torsemide?

The most frequently reported adverse events for Torsemide include Dyspnoea, Fatigue, Nausea, Diarrhoea, Dizziness. By volume, the top reported reactions are: Dyspnoea (3,305 reports), Fatigue (2,066 reports), Nausea (1,926 reports). These figures reflect FDA adverse event reports and may not represent the true incidence rate of these side effects in all patients taking Torsemide.

What percentage of Torsemide adverse event reports are serious?

Out of 31,073 classified reports, 25,321 (81.5%) were classified as serious and 5,752 as non-serious. The FDA classifies an event as "serious" if it results in death, hospitalization, disability, or other medically significant outcomes. A higher serious-event ratio warrants closer attention but does not necessarily mean the drug is unsafe.

Who reports adverse events for Torsemide (by sex)?

Adverse event reports for Torsemide break down by patient sex as follows: Female: 15,666, Male: 13,621, Unknown: 20. This distribution reflects reporting patterns rather than actual risk differences between groups. Reporting rates can be influenced by prescribing patterns, disease demographics, and reporting behavior.

What age groups report the most side effects for Torsemide?

The most frequently reported age groups for Torsemide adverse events are: age 73: 730 reports, age 70: 715 reports, age 78: 711 reports, age 79: 703 reports, age 82: 689 reports. Age-related reporting patterns can reflect both the demographics of the patient population and potential age-related susceptibility to certain side effects.

Who manufactures Torsemide?

The primary manufacturer associated with Torsemide adverse event reports is Sarfez Pharmaceuticals Inc. Multiple manufacturers may produce generic versions of this drug. The manufacturer listed reflects the most frequently reported brand in FDA adverse event data.

What other side effects have been reported for Torsemide?

Beyond the most common reactions, other reported adverse events for Torsemide include: Acute Kidney Injury, Death, General Physical Health Deterioration, Oedema Peripheral, Fall. Less common side effects can still be clinically significant. Patients should report any unusual symptoms to their healthcare provider.

How do I report a side effect from Torsemide?

You can report adverse events from Torsemide to the FDA through their MedWatch program at www.fda.gov/medwatch, by calling 1-800-FDA-1088, or by completing Form FDA 3500. Healthcare professionals, consumers, and manufacturers can all submit reports. Reporting helps the FDA monitor drug safety after approval.

What is Torsemide's safety score and what does it mean?

Torsemide has a safety concern score of 85 out of 100 (high concern). This score is calculated from the ratio of serious to non-serious adverse events, the diversity of reported reactions, and the overall volume of reports relative to usage. Torsemide reports show a high rate of serious adverse events, particularly involving renal function and cardiovascular issues.

What are the key safety signals for Torsemide?

Key safety signals identified in Torsemide's adverse event data include: Acute kidney injury and renal failure are key safety signals, with a high number of reports indicating these issues.. Cardiac failure and death are also significant safety signals, with a notable number of serious reports.. Renal impairment and deterioration in general physical health are other key signals, with a high volume of reports.. These signals are derived from patterns in FDA reports and should be discussed with a healthcare provider for personalized assessment.

Does Torsemide interact with other drugs?

Torsemide can interact with other drugs, potentially leading to adverse effects such as hypotension, hypokalemia, and renal impairment. Warnings are issued for patients with pre-existing renal or cardiac conditions. Always inform your healthcare provider about all medications, supplements, and over-the-counter drugs you are taking before starting Torsemide.

What should patients know before taking Torsemide?

Monitor patients for signs of renal impairment and cardiac failure, especially in elderly patients. Regularly check electrolyte levels, particularly potassium, and adjust dosages as needed. Be cautious when co-administering Torsemide with other diuretics or drugs that affect renal function.

Are Torsemide side effects well-documented?

Torsemide has 74,224 adverse event reports on file with the FDA. The most common reactions include dyspnea, fatigue, and nausea, with a significant number of reports involving acute kidney injury and death. The volume of reports for Torsemide reflects both the drug's usage level and the vigilance of the reporting community.

What is the FDA's position on Torsemide?

The FDA closely monitors Torsemide for safety, particularly for serious renal and cardiac events. Healthcare providers should be vigilant and adjust dosages as necessary to mitigate risks. For the most current regulatory information, check the FDA's drug labeling database or consult your pharmacist.

Related Drugs

Drugs related to TORSEMIDE based on therapeutic use, drug class, or shared indications:

FurosemideSpironolactoneAmilorideIndapamideBumetanide
Important Disclaimer: This content is generated by AI analysis of FDA adverse event reports and is provided for informational purposes only. It is not medical advice. Adverse event reports submitted to the FDA do not prove that a medication caused the reported side effect. Always consult your healthcare provider before starting, stopping, or changing any medication. If you experience a serious side effect, contact your doctor or call 911 immediately.