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Furosemide
Furosemide is a medication that belongs to the class of drugs known as loop diuretics. It helps the body get rid of excess salt and water by increasing urine production.
This medication is often used in conditions where reducing fluid retention is necessary, such as in heart failure or certain kidney disorders.
Information about Furosemide
Furosemide Uses
Furosemide is commonly prescribed to manage fluid retention and swelling associated with various medical conditions.
- Edema due to heart failure
- Edema associated with liver cirrhosis
- Kidney disorders leading to fluid retention
- High blood pressure management
How Furosemide Works
Furosemide works by blocking the absorption of sodium and chloride in the kidneys, specifically in the loop of Henle. This action increases the amount of urine produced, helping to remove excess fluid from the body.
By reducing fluid buildup, Furosemide helps to decrease swelling and lower blood pressure in some cases.
Common side effects of Furosemide
Not everyone will experience side effects from Furosemide, and many of them are mild and temporary.
- Dizziness or lightheadedness
- Dehydration
- Electrolyte imbalance
- Increased urination
- Muscle cramps
- Nausea
Contact a healthcare provider if you experience serious or persistent symptoms.
CONTENT DETAILS
Written By
Douglas C. Goldberg, MD
Reviewed By
Philip Schein, MD
Last updated
28 Nov 2025 | 03:00 PM (UTC)
Medicine brands for Furosemide
- FurosemideDosage: 40mg, 100mgfrom $37.009 variant(s)
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Expert advice for Furosemide
- Monitor your weight and report any sudden changes to your doctor.
- Avoid alcohol as it can increase the risk of dehydration and dizziness.
- Be cautious when standing up from a sitting or lying position to prevent dizziness.
- Inform your doctor of any other medications you are taking to avoid interactions.
- Stay hydrated, but follow your doctor’s guidance on fluid intake.
Always consult your doctor for personalized medical advice.
Frequently Asked Questions
How quickly does Furosemide start working?
Furosemide usually starts to work within an hour after taking it. However, the exact onset can vary among individuals.
How long does the effect of Furosemide last?
The effects of Furosemide can last for several hours, but this can vary depending on individual response and medical condition.
Can I take Furosemide with other medications?
Furosemide may interact with other medications. It is important to inform your doctor about all the medicines you are taking.
Is it safe to use Furosemide during pregnancy?
The safety of Furosemide during pregnancy is not fully established. Consult your doctor for advice specific to your situation.
What should I do if I miss a dose of Furosemide?
If you miss a dose, take it as soon as you remember. If it’s almost time for the next dose, skip the missed dose and continue with your regular schedule.