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  • Generic Name: (torsemide)
    Other Brands: Demadex, Torsemide
  • Last Revised: 09/2013
    • What is this medication and its most common uses?

      Demadex is a medicine used to treat fluid retention associated with heart failure and liver or kidney disease. Demadex is also used alone or in combination with other medicines to treat high blood pressure.

    • What should I know when beginning and continuing on this medication?

      How does this medication work?

      Demadex is a water pill and works by eliminating extra fluid and sodium (salt) from your body, thereby reducing swelling and lowering your blood pressure.

      What are the beneficial effects of this medication and when should I begin to have results?


      Fluid Retention: Demadex has been shown to reduce weight and swelling in patients with heart failure.

      High Blood Pressure: By lowering your blood pressure, Demadex may lower your risk of a stroke or a heart attack.

      When: Demadex may start eliminating extra fluid and sodium from your body within a few hours of taking it. Demadex may start lowering your blood pressure within 4 to 6 weeks of treatment. Though you may not feel an improvement or change in the way you feel, it is very important to keep taking your medicine as prescribed to keep your condition under control.

      How do I know it is working?

      You may notice an improvement in your swelling and/or decrease in your blood pressure after you start taking Demadex. Check your blood pressure regularly. Your healthcare provider will also check your blood pressure at every visit. Following an appropriate diet and exercise plan will also affect your blood pressure results.

    • What are the possible side effects of this medication?

      The following is not a full list of side effects. Side effects cannot be anticipated. If any develop or change in intensity, tell your healthcare provider as soon as possible. Only your healthcare provider can determine if it is safe for you to continue taking this medication.

      More common side effects may include: excess urination.

      Less common side effects may include:

      Increased blood sugar levels.

      Hearing problems with symptoms such as ringing in your ears, difficulty hearing, or deafness.

      Changes in electrolytes with symptoms such as dry mouth, thirst, weakness, tiredness, drowsiness, restlessness, muscle pains or cramps, muscle tiredness, dizziness or fainting, low or no urine output, fast heartbeat, or nausea and vomiting.

    • Who should not take this medication?

      Do not take Demadex if you are allergic to it, any of its ingredients, or other medicines known as sulfonylureas (such as glimepiride or glyburide).

      Do not take Demadex if you are unable to produce urine.

    • What should I tell my healthcare provider before I take the first dose of this medication?

      Tell your healthcare provider about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Demadex. Also, talk to your healthcare provider about your complete medical history, especially if you have diabetes or if you are allergic to sulfonamide medications.

    • What is the usual dosage?

      The information below is based on the dosage guidelines your healthcare provider uses. Depending on your condition and medical history, your healthcare provider may prescribe a different regimen. Do not change the dosage or stop taking your medication without your healthcare provider's approval.

      Fluid Retention Associated with Heart Failure

      Adults: The usual starting dose is 10 milligrams (mg) or 20 mg once a day.

      Fluid Retention Associated with Kidney Disease

      Adults: The usual starting dose is 20 mg once a day.

      Fluid Retention Associated with Liver Disease

      Adults: The usual starting dose is 5 mg or 10 mg once a day.

      High Blood Pressure

      Adults: The usual starting dose is 5 mg once a day.

      Your healthcare provider may increase your dose as needed, until the desired effect is achieved.

    • How should I take this medication?

      Take Demadex exactly as prescribed by your healthcare provider.

      Take Demadex with or without food.

    • What should I avoid while taking this medication?

      Do not change your dose or stop taking Demadex without first talking to your healthcare provider.

    • What are the possible food and drug interactions associated with this medication?

      If Demadex is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your healthcare provider before combining Demadex with the following: aspirin, certain antibiotics (such as gentamicin), cholestyramine, digoxin, ethacrynic acid, lithium, nonsteroidal anti-inflammatory drugs (NSAIDs) (such as indomethacin), probenecid, or spironolactone.

    • May I receive this medication if I am pregnant or breastfeeding?

      The effects of Demadex during pregnancy and breastfeeding are unknown. Tell your healthcare provider immediately if you are pregnant, plan to become pregnant, or are breastfeeding.

    • What should I do if I miss a dose of this medication?

      If you miss a dose of Demadex, take it as soon as you remember. However, if it is almost time for your next dose, skip the one you missed and return to your regular dosing schedule. Do not take two doses at once.

    • How should I store this medication?

      Store at room temperature.

    • Who should I contact in case of emergency or overdose?
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      In the event of a medical emergency call your doctor or 9-1-1 immediately. In the event of overdose, call your doctor or poison control for further instructions.
      National Poison Control#: Call 1-800-222-1222

      This PDR+ drug information has been developed by the Physicians’ Desk Reference Network (PDRN), a source of medication information trusted by doctors for over 65 years.

      This monograph summarizes the most important information about your medication and does not cover all the information you may need. If you have any questions or concerns or want to learn more about your medication, ask your healthcare provider; he/she will be able to provide answers to your questions. This medication should only be used by the patient for whom it was prescribed and should not be shared with other people.
    • Additional patient resources.
      back to top Use your PDR® Pharmacy Discount Card when you or a family member fills a prescription and ask for your PDR® Discount every
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