Generic Name: triamterene (try AM teh reen)
Brand Name: Dyrenium
Medically reviewed on August 9, 2016.
What is Dyrenium?
Dyrenium is a potassium-sparing diuretic (water pill) that prevents your body from absorbing too much salt and keeps your potassium levels from getting too low.
Dyrenium is also used to treat edema caused by using steroid medicine or having too much aldosterone in your body. Aldosterone is a hormone produced by the adrenal glands to help regulate the salt and water balance in your body.
Dyrenium may also be used for purposes not listed in this medication guide.
You should not use this medicine if you have severe kidney or liver disease, urination problems, or high levels of potassium in your blood. You should not take Dyrenium if you also take potassium supplements, or other diuretics such as amiloride or spironolactone.
Call your doctor right away if you have signs of hyperkalemia (high potassium), such as nausea, slow or unusual heart rate, weakness, or loss of movement. You may be more likely to have high potassium if you have kidney disease, diabetes, a severe illness, or if you an older adult.
Before taking this medicine
You should not use Dyrenium if you are allergic to it, or if you have:
severe kidney disease, or if you are unable to urinate;
severe liver disease;
high potassium levels (hyperkalemia); or
To make sure Dyrenium is safe for you, tell your doctor if you have:
Using Dyrenium may increase your risk of developing hyperkalemia (high levels of potassium in your blood). You may be more likely to have high potassium if you have kidney disease, diabetes, a severe illness, or if you an older adult.
It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.
It is not known whether Dyrenium passes into breast milk or if it could harm a nursing baby. You should not breast-feed while using this medicine.
Dyrenium is not approved for use by anyone younger than 18 years old.
How should I take Dyrenium?
Follow all directions on your prescription label. Your doctor may occasionally change your dose to make sure you get the best results. Do not use this medicine in larger or smaller amounts or for longer than recommended.
Dyrenium is usually taken once or twice per day. Follow your doctor's dosing instructions.
Take this medicine after eating a meal.
Taking a diuretic can make you urinate more often, which could disrupt your sleep if this happens at night. If you take Dyrenium only once per day, take it in the morning to reduce the chance of night-time urination.
While using Dyrenium, you may need frequent blood tests. Your kidney function may also need to be checked.
Your heart function may need to be checked using an electrocardiograph or ECG (sometimes called an EKG).
This medicine can cause unusual results with certain medical tests. Tell any doctor who treats you that you are using Dyrenium.
If you need surgery, tell the surgeon ahead of time that you are using Dyrenium.
Store at room temperature away from moisture, heat, and light. Keep the bottle tightly closed when not in use.
What happens if I miss a dose?
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include increased nausea, slow or unusual heart rate, muscle weakness, or loss of movement.
What should I avoid while taking Dyrenium?
This medicine may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.
Drinking alcohol with this medicine can cause side effects.
Do not use salt substitutes or low-sodium milk products that contain potassium. These products could cause your potassium levels to get too high while you are taking Dyrenium.
Dyrenium side effects
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor right away if you have signs of hyperkalemia (high potassium), such as nausea, slow or unusual heart rate, weakness, or loss of movement.
Stop using Dyrenium and call your doctor at once if you have:
pale skin, easy bruising or bleeding;
slow, fast, or uneven heartbeat;
jaundice (yellowing of the skin or eyes);
little or no urination;
Common side effects may include:
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
See also: Side effects (in more detail)
What other drugs will affect Dyrenium?
Tell your doctor about all your current medicines and any you start or stop using, especially:
any other diuretic;
heart or blood pressure medicine; or
This list is not complete. Other drugs may interact with triamterene, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Copyright 1996-2018 Cerner Multum, Inc. Version: 7.01.
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- Drug class: potassium-sparing diuretics