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bumetanide

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Brand names: Bumex

Loop Diuretic Rx

Bumetanide is a water pill (diuretic). It helps your body get rid of extra water and salt.

Drug Shortage Alert

bumetanide is currently listed as in shortage by the FDA. Affected manufacturer: Fresenius Kabi USA, LLC. Status: Available.

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Drug Pricing (NADAC)

Generic Price

$0.13/unit

Generic Available

Yes (19 manufacturers)

Pricing data from NADAC (CMS), effective December 18, 2024. Compare all drug costs →

What it does

This medicine treats swelling (edema) caused by heart failure, liver problems, or kidney problems.

Common side effects

Muscle cramps, Dizziness, Low blood pressure

Key warnings

Bumetanide is a strong diuretic.

How It Works

Bumetanide works in your kidneys to increase the amount of salt and water that you pass in your urine. This helps to lower the amount of fluid in your body. It starts working quickly and does not last very long.

How to Take It

Take bumetanide exactly as your doctor tells you. The usual dose is 0.5 mg to 2 mg per day, taken as one dose. If needed, your doctor may have you take a second or third dose, 4 to 5 hours apart, up to a maximum of 10 mg per day. Your doctor may have you take it every other day, or for 3 to 4 days with 1 to 2 days off.

Pregnancy & Breastfeeding

Tell your doctor if you are pregnant or plan to become pregnant. It is not known if bumetanide will harm your unborn baby. Talk to your doctor about the risks and benefits of taking bumetanide during pregnancy or while breastfeeding.

Missed Dose

If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and take your next dose at the regular time.

Storage

Store at room temperature (68° to 77°F) in a tightly closed, light-resistant container.

Side Effects (from patient reports)

Based on 14,935 FDA adverse event reports.

Shortness of breath
2,494
Sudden kidney damage
1,657
Death
1,642
Tiredness
1,638
Diarrhea
1,474
Feeling sick to your stomach
1,454
Feeling lightheaded
1,210
Headache
1,144
Kidney failure
1,133
Pneumonia
1,089

FDA Adverse Event Report Analysis

Detailed analysis of 25,027 reports from the FDA Adverse Event Reporting System (FAERS). Reports span 1999–2025.

Total Reports

25,027

Death-Related Reports

3,999

Hospitalization Reports

12,100

Top Indication

Product Used For Unknown Indication

Gender Distribution

Female 12,977 (56%)
Male 10,257 (44%)

Age Distribution

0–17 167
18–44 952
45–64 5,011
65–74 4,639
75+ 6,330

Most Reported Adverse Reactions (FAERS)

# Reaction Reports
1 DYSPNOEA 2,495
2 ACUTE KIDNEY INJURY 1,657
3 DEATH 1,642
4 FATIGUE 1,639
5 DIARRHOEA 1,474
6 NAUSEA 1,454
7 DIZZINESS 1,210
8 HEADACHE 1,144
9 RENAL FAILURE 1,133
10 PNEUMONIA 1,087
11 ASTHENIA 1,041
12 PAIN 1,008
13 HYPOTENSION 998
14 CARDIAC FAILURE CONGESTIVE 951
15 CHRONIC KIDNEY DISEASE 894

Reactions in Death Reports

DEATH 1,640
DYSPNOEA 388
RENAL FAILURE 378
ACUTE KIDNEY INJURY 312
PNEUMONIA 273
CARDIAC FAILURE CONGESTIVE 248
CARDIAC FAILURE 233
CARDIAC ARREST 205
HYPOTENSION 202
CHRONIC KIDNEY DISEASE 188

Reactions in Hospitalization Reports

DYSPNOEA 1,650
ACUTE KIDNEY INJURY 1,150
PNEUMONIA 972
FATIGUE 790
CARDIAC FAILURE CONGESTIVE 779
DIARRHOEA 761
HYPOTENSION 715
NAUSEA 714
ASTHENIA 677
FALL 658

Source: FDA FAERS (Adverse Event Reporting System) FDA FAERS (Adverse Event Reporting System) Reports are voluntary and do not establish causation

Serious Warnings

Bumetanide is a strong diuretic. If you take too much, it can cause you to lose too much water and electrolytes. You need to be carefully watched by your doctor, and your dose needs to be adjusted to fit your needs.

Known Drug Interactions

Drug Interactions Probenecid Probenecid is known to interact with the metabolism or renal tubular excretion of many drugs (e.g., acetaminophen, acyclovir, angiotensin-converting enzyme inhibitors, aminosalicylic acid, barbiturates, benzodiazepines, bumetanide, clofibrate, methotrexate, famotidine, furosemide, nonsteroidal anti-inflammatory agents, theophylline, and zidovudine).

Mechanism: Probenecid, which is given with cidofovir, interferes with how the kidneys remove bumetanide from the body. This can cause the levels of bumetanide to rise in your system.

What to do: Your doctor may need to monitor your response to these medications or adjust your dosage.

No dosing adjustments required for the following: Oral Antidiabetic Agents Metformin (1000 mg) 20 mg ↔ ↔ Pioglitazone (45 mg) 50 mg ↔ ↔ Sitagliptin (100 mg) 20 mg ↔ ↔ Glimepiride (4 mg) 20 mg ↔ ↔ Voglibose (0.2 mg three times daily) 10 mg ↔ ↔ Other Medications Hydrochlorothiazide (25 mg) 50 mg ↔ ↔ Bumetanide (1 mg) 10 mg once daily for 7 days ↔ ↔ Valsartan (320 mg) 20 mg ↓12% [↓3%, ↓20%] ↔ Simvastatin (40 mg) 20 mg ↔ ↔ Anti-infective Agent Rifampin (600 mg once daily for 6 days) 10 mg ↓7% [↓22%, ↑11%] ↓22% [↓27%, ↓17%] Nonsteroidal Anti-inflammatory Agent Mefenamic Acid (loading dose of 500...

Mechanism: These medications do not significantly change how the other is processed by your body.

What to do: You can take these medicines together without needing to adjust your dosages.

Common Questions

What should I avoid while taking bumetanide?
Talk to your doctor about what you should avoid. They may recommend limiting salt intake.
Can bumetanide cause dehydration?
Yes, bumetanide can cause dehydration if you lose too much fluid. Drink enough fluids to avoid dehydration.
Will bumetanide cure my condition?
No, bumetanide helps manage your symptoms but does not cure the underlying condition.
Can I drive while taking bumetanide?
Bumetanide can cause dizziness. Be careful driving or operating machinery until you know how bumetanide affects you.
What if I have kidney problems?
Tell your doctor if you have kidney problems. Bumetanide can sometimes worsen kidney function.
Can bumetanide affect my blood sugar?
Yes, bumetanide can increase your blood sugar. If you have diabetes, monitor your blood sugar carefully.
How long does it take for bumetanide to work?
Bumetanide starts working quickly, usually within 30 to 60 minutes.
Can I take bumetanide with other medications?
Tell your doctor about all the medications you take, including over-the-counter drugs and supplements. Bumetanide can interact with other medications.
What are the symptoms of low potassium?
Symptoms of low potassium can include muscle weakness, cramps, and irregular heartbeat. Contact your doctor if you experience these symptoms.
When should I call my doctor?
Call your doctor if you have any serious side effects, such as severe dizziness, muscle cramps, or signs of dehydration.
What are the common side effects of bumetanide?
The most commonly reported side effects of bumetanide include Muscle cramps, Dizziness, Low blood pressure, Headache, Nausea. Based on 14,935 FDA adverse event reports. Always consult your healthcare provider about potential side effects.
Does bumetanide interact with other medications?
Yes, bumetanide has 2 known drug interactions. Notable interactions include cidofovir, dapagliflozin. Always inform your doctor about all medications you are taking.
What drug class is bumetanide?
bumetanide belongs to the Loop Diuretic drug class. It requires a prescription (Rx). This medicine treats swelling (edema) caused by heart failure, liver problems, or kidney problems.
Is bumetanide safe during pregnancy?
Tell your doctor if you are pregnant or plan to become pregnant. It is not known if bumetanide will harm your unborn baby. Always consult your healthcare provider before using any medication during pregnancy or breastfeeding.
Is bumetanide currently in shortage?
Yes, bumetanide is currently listed as in shortage by the FDA. Affected manufacturer: Fresenius Kabi USA, LLC. Status: Available. Visit the FDA Drug Shortages database for the latest updates.

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What the FDA Data Shows for bumetanide

The FDA label for bumetanide (sold under brand names such as Bumex) classifies it as a prescription-only medication in the Loop Diuretic class. This medicine treats swelling (edema) caused by heart failure, liver problems, or kidney problems. Official labeling lists 14 commonly reported side effects, including Muscle cramps, Dizziness, Low blood pressure.

Post-market surveillance from the FDA Adverse Event Reporting System (FAERS) captures real-world experience. For this drug, FAERS contains 14,935 voluntary reports. The database also lists 2 documented drug interactions derived from FDA labeling, with the top-flagged interaction rated minor severity. NADAC pricing from CMS shows a generic unit cost of $0.13.

Report counts do not establish causation — a FAERS entry documents a temporal association, not proof that the drug produced the outcome. Widely prescribed medications naturally accumulate more reports than niche therapies, so raw totals must be interpreted alongside total exposure. Shortage status, recall history, and patent information further shape supply and switching decisions. This page summarizes public FDA data for educational purposes only and is not a substitute for professional medical advice — always consult a licensed healthcare provider before starting, stopping, or changing any medication.

Data Sources

Drug labeling: FDA Drug Labels (SPL/DailyMed). Adverse events: FDA Adverse Event Reporting System (FAERS). Pricing: CMS National Average Drug Acquisition Cost (NADAC). Shortage status: FDA Drug Shortages Database.

FAERS reports are voluntary and do not establish causation. Drug interactions are derived from FDA labeling and clinical references. Always consult a healthcare professional before making medication decisions.

Last updated: January 8, 2025

All federal data sources used on this page