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Torsemide (Generic Name)Other Names: Demadex®


UPMC Content 2

Dosage form

Oral tablets: 5 mg, 10 mg, 20 mg, 100 mg

About this drug

Torsemide (TOR-se-mide) is used to treat and prevent too much fluid in the body. It works by making you pass more urine. It is a “water pill” (loop diuretic). It also is a blood pressure lowering agent (anti-hypertensive).  

Side effects

Common side effects are:

  • Decreased potassium level
  • Increased sensitivity to sunlight
  • Dizziness or light-headedness
  • Passing more urine at night (nocturia)

Rare side effects include:

  • Fever
  • Chills
  • Lower back pain
  • Ringing in the ears
  • Nausea
  • Dry mouth
  • Extreme thirst
  • Increased heart rate
  • Tiredness

If any of these side effects becomes severe or bothers you, call your doctor. Do not take over-the-counter medicine for your symptoms.

Drug interactions

Tell your doctor or pharmacist about any prescription medicine, over-the-counter medicine, or herbal products that you are taking. He or she will check for interactions.

If you miss a dose

If you miss a medicine dose, take it as soon as you remember. If it is within 2 hours of the time of your next dose, skip the missed dose. Take your next dose at its scheduled time, and continue your usual dosing schedule. Do not “double up” on doses to catch up.

Potassium supplement

Your doctor may have you take a potassium supplement to prevent a decrease in your  potassium levels.