Furosemide 40mg
Generic For: Lasix
Furosemide 40mg, sold under the brand name Lasix, is a loop diuretic (water pill) that helps the body get rid of excess fluid and salt. It is prescribed for edema caused by heart failure, kidney disease, or liver cirrhosis, and for high blood pressure. After review of your prescription by a licensed provider, your order ships from a licensed U.S. pharmacy.
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Buy Furosemide 40mg (Lasix) Online
A loop diuretic (water pill) for edema from heart failure, kidney disease, and liver disease, and for high blood pressure
Furosemide 40mg Quick Facts
| Drug class | Loop diuretic |
|---|---|
| Treats | Edema, heart failure fluid retention, high blood pressure |
| Form | Tablet |
| Typical dosing | Take 1 tablet by mouth daily. |
| Prescription required | Yes — prescription only |
What Is Furosemide 40mg?
Furosemide is a prescription loop diuretic, commonly known as a water pill, and is the generic form of Lasix. It works in the kidneys to increase the amount of salt and water removed from the body in urine. Doctors prescribe furosemide to reduce fluid buildup (edema) associated with congestive heart failure, kidney disease, and liver cirrhosis. It is also used, alone or with other medications, to treat high blood pressure (hypertension).
What Does Furosemide 40mg Treat?
Edema associated with congestive heart failure
Edema associated with cirrhosis of the liver
Edema associated with renal (kidney) disease, including nephrotic syndrome
High blood pressure (hypertension)
Furosemide 40mg Dosage
Edema: 20-80 mg by mouth as a single dose; may repeat or increase by 20-40 mg every 6-8 hours per prescriber.
Hypertension: 40 mg by mouth twice daily; adjusted per response.
Use the lowest effective dose as directed by your prescriber.
Your prescriber will determine the dose and duration that are right for you. Always follow the directions on your prescription label.
Furosemide 40mg Side Effects
Common side effects
- Increased urination
- Dizziness or lightheadedness
- Headache
- Blurred vision
- Nausea or stomach upset
- Muscle cramps
- Thirst or dry mouth
Serious side effects
Stop taking this medication and seek medical attention right away if you experience:
- Signs of dehydration or electrolyte imbalance (severe weakness, confusion, irregular heartbeat)
- Hearing loss or ringing in the ears (tinnitus)
- Severe skin reactions (rash, blistering, peeling)
- Signs of kidney problems (marked decrease in urination)
- Severe dizziness or fainting
- Unusual bleeding or bruising
Warnings & Interactions
Do not use if you are unable to urinate (anuria) or are allergic to furosemide
Can cause profound fluid and electrolyte loss; requires medical supervision and lab monitoring
Use caution with sulfonamide (sulfa) allergy
May increase lithium levels; combination generally avoided
Risk of low blood pressure, especially with other blood pressure medicines
NSAIDs may reduce its effect and increase kidney risk
Tell your prescriber if you have diabetes, gout, kidney, or liver disease
Tell your prescriber about all medications, supplements, and health conditions before starting furosemide 40mg.
Sources & References
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