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Lasix vs. Demadex

Head-to-head comparisons of medication uses, side effects, warnings, and more.

Key takeaways

Furosemide (Lasix) and torsemide (Demadex, Soaanz) are both loop diuretics, also known as water pills, used to relieve swelling from extra fluid and sometimes to lower blood pressure. Furosemide is available in both tablet and oral solution forms, while torsemide is only available as a tablet. Furosemide is typically taken once or twice daily, whereas torsemide is usually taken once daily. Both medications start working in about an hour and last 6 to 8 hours. Both medications can cause side effects like dizziness, headaches, and tinnitus. Both medications can cause low potassium, and you may need to take potassium supplements. Both medications require laboratory monotoring and are available as lower-cost generics.

Furosemide

(Lasix)

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Torsemide

 

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Summary for Lasix

Prescription only

Furosemide (Lasix) is a loop diuretic, a type of water pill. Furosemide (Lasix) is used to relieve swelling from extra fluids in children and adults. This medication can also lower blood pressure, though it's not a first-choice option for this condition. Furosemide (Lasix) comes as a tablet that's taken by mouth, typically once or twice daily. It's also available as an oral solution for people who've trouble swallowing tablets. Furosemide (Lasix) will cause you to urinate more often as a side effect, so it's best to not take this medication too close to bedtime.

Indications for Lasix

  • Swelling (edema) due to heart failure, liver problems, or kidney problems
  • High blood pressure

Pros and Cons for Lasix

Pros

  • Starts working within an hour after you take it
  • Available in liquid form for children or people who have trouble swallowing pills
  • Available as a lower-cost generic medication

Cons

  • Not a good choice for people with a sulfa allergy
  • Might cause you to urinate in the middle of the night if you take it later in the day
  • Can make you more dizzy and raise your risk for falling down

Common Side Effects for Lasix

  • Urinating more often
  • Dizziness
  • Headache
  • Feeling off balance when you get up suddenly
  • Skin sensitive to the sun

Warnings for Lasix

  • Dehydration and electrolyte imbalance
  • Caution in people with liver problems
  • Hearing problems
  • Problems with urination
  • Allergic reaction
  • Gout

Summary for Demadex

Prescription only

Torsemide is used to relieve swelling from extra fluids in the body. It can also treat high blood pressure in adults. It belongs to the drug class called diuretics (or water pills). You usually take your dosage by mouth once daily. Because of the way the medication works, it can make you urinate more and cause your electrolyte levels to drop as side effects.

Indications for Demadex

Pros and Cons for Demadex

Pros

Cons

  • Makes you urinate more often
  • Might need regular lab tests to check your electrolyte levels and make sure your kidneys are working well

Common Side Effects for Demadex

  • Urinating more

Warnings for Demadex

  • Low blood pressure and possible kidney problems
  • Change in electrolyte levels and blood sugar levels
  • Hearing problems

Prices with our coupons for Lasix vs. Demadex

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Furosemide30 tablets / 20mg
$4.00$4.00
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Torsemide30 tablets / 20mg
$9.00$9.00
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