Photo of the drug Lasix (generic name(s): Furosemide).

Lasix Furosemide

FUROSEMIDE (fyoor OH se mide) is a diuretic. It helps you make more urine and to lose salt and excess water from your body. This medicine is used to treat high blood pressure, and edema or swelling from heart, kidney, or liver disease.




Lasix prices near Ashburn, VA

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Est Cash Price: $4.00
FUROSEMIDE 20 MG TABLET

$4.00

Qty:30
Est Cash Price: $5.95
FUROSEMIDE 20 MG TABLET

$5.45

Qty:30
Est Cash Price: $5.95
FUROSEMIDE 20 MG TABLET

$5.45

Qty:30
Est Cash Price: $5.95
FUROSEMIDE 20 MG TABLET

$5.45

Qty:30
Est Cash Price: $10.99
FUROSEMIDE 20 MG TABLET

$6.69

Qty:30
Est Cash Price: $10.99
FUROSEMIDE 20 MG TABLET

$6.69

Qty:30
Est Cash Price: $24.35
FUROSEMIDE 20 MG TABLET

$6.69

Qty:30
Est Cash Price: $10.78
FUROSEMIDE 20 MG TABLET

$6.69

Qty:30
Est Cash Price: $9.20
FUROSEMIDE 20 MG TABLET

$6.69

Qty:30

FUROSEMIDE 20 MG TABLET

$6.69

Qty:30
Est Cash Price: $10.99
FUROSEMIDE 20 MG TABLET

$6.69

Qty:30
Est Cash Price: $12.99
FUROSEMIDE 20 MG TABLET

$7.85

Qty:30
Est Cash Price: $12.99
FUROSEMIDE 20 MG TABLET

$7.85

Qty:30
Est Cash Price: $11.99
FUROSEMIDE 20 MG TABLET

$7.97

Qty:30
Est Cash Price: $11.99
FUROSEMIDE 20 MG TABLET

$9.27

Qty:30
Est Cash Price: $11.99
FUROSEMIDE 20 MG TABLET

$9.27

Qty:30
Est Cash Price: $11.99
FUROSEMIDE 20 MG TABLET

$9.27

Qty:30
Est Cash Price: $11.99
FUROSEMIDE 20 MG TABLET

$9.27

Qty:30
Est Cash Price: $11.99
FUROSEMIDE 20 MG TABLET

$9.27

Qty:30
Est Cash Price: $11.99
FUROSEMIDE 20 MG TABLET

$9.27

Qty:30

What is Lasix?

FUROSEMIDE (fyoor OH se mide) is a diuretic. It helps you make more urine and to lose salt and excess water from your body. This medicine is used to treat high blood pressure, and edema or swelling from heart, kidney, or liver disease.

How to take Lasix

Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. You may take this medicine with or without food. If it upsets your stomach, take it with food or milk. Do not take your medicine more often than directed. Remember that you will need to pass more urine after taking this medicine. Do not take your medicine at a time of day that will cause you problems. Do not take at bedtime.

Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for selected conditions, precautions do apply.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.

Visit your doctor or health care professional for regular checks on your progress. Check your blood pressure regularly. Ask your doctor or health care professional what your blood pressure should be, and when you should contact him or her. If you are a diabetic, check your blood sugar as directed.

You may need to be on a special diet while taking this medicine. Check with your doctor. Also, ask how many glasses of fluid you need to drink a day. You must not get dehydrated.

You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this drug affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol can make you more drowsy and dizzy. Avoid alcoholic drinks.

This medicine can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths.

What if I miss a dose of Lasix?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

Storing Lasix

Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from light. Throw away any unused medicine after the expiration date.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.

Side Effects of Lasix

Side effects that you should report to your doctor or health care professional as soon as possible:

  • Blood in urine or stools
  • Dry mouth
  • Fever or chills
  • Hearing loss or ringing in the ears
  • Irregular heartbeat
  • Muscle pain or weakness, cramps
  • Skin rash
  • Stomach upset, pain, or nausea
  • Tingling or numbness in the hands or feet
  • Unusually weak or tired
  • Vomiting or diarrhea
  • Yellowing of the eyes or skin

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
  • Headache
  • Loss of appetite
  • Unusual bleeding or bruising

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Interactions with Lasix


  • Aspirin and aspirin-like medicines
  • Certain antibiotics
  • Chloral hydrate
  • Cisplatin
  • Cyclosporine
  • Digoxin
  • Diuretics
  • Laxatives
  • Lithium
  • Medicines for blood pressure
  • Medicines that relax muscles for surgery
  • Methotrexate
  • NSAIDs, medicines for pain and inflammation like ibuprofen, naproxen, or indomethacin
  • Phenytoin
  • Steroid medicines like prednisone or cortisone
  • Sucralfate
  • Thyroid hormones

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

Conditions Commonly Treated by Lasix




Prescription prices may vary from pharmacy to pharmacy and are subject to change. The pricing estimates given are based on the most recent information available and may change based on when you actually fill your prescription at the pharmacy. The day supply is based upon the average dispensing patterns or the specific drug and strength. The Program, as well as the prices and the list of covered drugs, can be modified at any time without notice.

Similar Drugs to Lasix and Other Loop Diuretics





More Ways to Save on Lasix

Buy More, Less Often

If you need to take prescription medication such as Lasix over an extended period, buying a larger quantity could save you time and money. Many drugs, including Lasix work out cheaper per pill or dose when purchased in volume. Speak to your doctor about increasing the your prescription and you could pay less for drugs and need fewer trips to the pharmacist.

Compare Pharmacy Prices Online

Drug prices are not regulated, so the price Lasix of medication may vary significantly between your local pharmacies. Online pharmacy comparison shopping is the simplest way to quickly discover which retailer has the lowest prices for your prescriptions.

Enter the name of your prescription, for example Lasix, into the search box, add the zip code and click to browse prices and coupon offers. When you have found the cheapest price, print or save the coupon and and take it in to your chosen pharmacy. Comparing prices can save you up to 75 percent on your prescriptions.

Register for a Patient Assistance Program

Patient assistance programs offered by drug manufacturers can help you save money on your prescriptions. Pfizer has such a program, offering discounts to eligible patients who are prescribed Lasix. Patients prescribed expensive or branded medication may qualify for discounts through this kind of program.

Click here to find out more about patient assistance programs

Explore Generic Drug Options

Lasix and other branded drugs often have a generic equivalent on the market at a significantly lower price. Generics account for around 8 out of 10 prescriptions filled in the US and are identical their brand name counterparts in quality, safety, strength, dosage form, route of administration, performance characteristics and intended use. Talk to your pharmacist or doctor about safe generic alternatives to your branded prescription.

Check Your Medicare Part D Coverage

Seniors with Medicare Part D may be entitled to discounts on Lasix and other prescriptions through their policy. The list of drugs covered varies from plan to plan, so check your provider’s website for more information.

Click here to find out more about RxSpark and Medicare Part D.

Explore Other Treatment & Therapy Options

Medication plays a vital role in treating a huge number of conditions, but there may be other therapies, lifestyle changes or surgical options open to you. If you have concerns about prescription costs, or are considering a different approach to your therapy, speak to your doctor to explore alternatives to medication.