Lasix (Oral)

Questions | Reviews

Is 40 mg. Lasix too much?

My 98 year old, 100 pound aunt was taken off Maxzide (1/2 pill every other day) a few months ago.  Her feet have been swelling badly and finally the PA put her on 20mg. of Lasix twice a day.  The swelling is much better, but she is very weak...
by Nancy in Bridgeport, WV, 05/25/2009

Lasix (Oral) Drug and Prescription Information

Lasix (Oral)

Lasix (Oral) Medication Classification


Lasix (Oral) Brandname

Lasix, Furocot

Lasix (Oral) is used for the Treatment

Furosemide (fyoor-OH-se-mide) Treats fluid retention (edema) and high blood pressure. This medicine is a diuretic (water pill).

When To Not Use Lasix (Oral)

You should not use this medicine if you have had an allergic reaction to furosemide, or if you have kidney or liver problems, if you are dehydrated, or if you have recently lost a large amount of blood.

How Should You Use Lasix (Oral)

Tablet, Liquid

  • Your doctor will tell you how much of this medicine to take and how often. Do not take more medicine or take it more often than your doctor tells you to.
  • Measure the oral liquid with a marked measuring spoon or medicine cup.
  • If this medicine upsets your stomach, you may take it with food.
  • Carefully follow your doctor's instructions about any special diet. You may need to eat foods that are high in potassium (such as oranges or bananas) to prevent potassium loss while you are using this medicine.
  • If a dose is missed:
  • If you miss a dose or forget to take your medicine, take it as soon as you can. If it is almost time for your next dose, wait until then to take the medicine and skip the missed dose.
  • Do not use extra medicine to make up for a missed dose.

Proper Lasix (Oral) Storage

Store Lasix (Oral) at room temperature away from sunlight and moisture unless otherwise stated by manufacturer's instructions or labelling. Keep Lasix (Oral) and all medications out of the reach of children.

What To Avoid While Using Lasix (Oral)

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

  • Make sure your doctor knows if you are also using bepridil (Vascor®), blood thinners (Coumadin®), digoxin (Lanoxin®), ethacrynic acid (Edecrin®), lithium, or other diuretics (such as bumetanide, hydrochlorothiazide, Hyzaar®, Zestoretic®).
  • Do not drink alcohol while you are using this medicine.

Lasix (Oral) Warnings

  • Make sure your doctor knows if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, diabetes, gout, or pancreatitis.
  • This medicine may make you dizzy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.
  • This medicine may make your skin more sensitive to sunlight. Use a sunscreen when you are outdoors. Avoid sunlamps and tanning beds.
  • Make sure any doctor or dentist who treats you knows that you are using this medicine.

Lasix (Oral) Side Effects

Call your doctor right away if you notice any of these side effects:

  • Dry mouth, increased thirst, muscle cramps, problems urinating, nausea or vomiting
  • Fever chills, cough, pain in side or lower back
  • Hearing loss, or ringing in the ears
  • Lightheadedness or fainting
  • Severe diarrhea or stomach pain
  • Skin rash or hives
  • Unusual bleeding or bruising
  • Yellow skin or eyes, or seeing a yellow haze in your vision
  • If you notice these less serious side effects, talk with your doctor:
  • Loss of appetite
  • Stomach cramps

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