Healthnotes Index:

Triamterene

Warning

This medication can increase your potassium levels, especially if you have kidney disease or diabetes, or are severely ill. Potassium levels must be done while you are taking this medication. If not treated, very high potassium levels can sometimes be fatal. If you notice any of the following serious side effects, tell your doctor right away: muscle weakness, slow/irregular heartbeat.

Precautions

See also Warning section.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney problems (such as kidney stones), liver disease, mineral imbalance (such as high potassium blood level, low sodium blood level), loss of too much body water (dehydration), gout, conditions causing low folic acid blood levels (such as alcoholic cirrhosis, pregnancy).

This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.

If you have diabetes, triamterene may affect your blood sugar levels. Check your blood sugar levels regularly as directed by your doctor. Tell your doctor right away if you have symptoms of high blood sugar such as increased thirst/urination. Your doctor may need to adjust your diabetes medication, exercise program, or diet.

Severe sweating, diarrhea, or vomiting can increase the risk for a serious loss of body water (dehydration). Report prolonged diarrhea or vomiting to your doctor. To prevent dehydration, drink plenty of fluids unless your doctor directs you otherwise.

This medication may increase your potassium levels. Before using potassium supplements or salt substitutes that contain potassium, consult your doctor or pharmacist.

This medication may make you more sensitive to the sun. Avoid prolonged sun exposure, tanning booths, and sunlamps. Use a sunscreen and wear protective clothing when outdoors.

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

Older adults may be more sensitive to the side effects of this drug, especially high potassium blood levels.

During pregnancy, this medication should be used only when clearly needed. It may harm an unborn baby. Discuss the risks and benefits with your doctor.

This drug may pass into breast milk. Consult your doctor before breast-feeding.

Side Effects

See also Warning section.

Dizziness, lightheadedness, tiredness, headache, stomach upset, or diarrhea may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.

To reduce the risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Triamterene can cause a loss of too much body water (dehydration) and salt/minerals. Tell your doctor right away if you have any symptoms of dehydration or mineral loss, such as confusion, unusual decreased urination, unusual dry mouth/thirst, fast/irregular heartbeat, severe dizziness/lightheadedness, or seizures.

Tell your doctor right away if you have any serious side effects, including: nausea/vomiting that doesn't stop, stomach/abdominal pain, yellowing eyes/skin, dark urine, signs of infection (such as sore throat that doesn't go away, fever, chills, cough), signs of a kidney stone (such as pain in the side/back/abdomen, painful urination, blood in the urine, fever, chills), joint pain (such as big toe pain), easy bruising/bleeding, unusual change in the amount of urine (not including the normal increase in urine when you first start this drug).

A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Copyright © 2016 Healthnotes, Inc. All rights reserved. www.healthnotes.com

RxAnswers™ is a copyrighted combined product from Healthnotes and First DataBank, Inc.

Drug information is selected from data included with permission and copyrighted by First DataBank, Inc. This is a summary and does not contain all possible information about this product. For complete information about this product or your specific health needs, ask your healthcare professional. Always seek the advice of your healthcare professional if you have any questions about this product or your medical condition. This information is not intended as individual medical advice and does not substitute for the knowledge and judgment of your healthcare professional. This information does not contain any assurances that this product is safe, effective or appropriate for you.

This information is intended only for residents of the United States. Products sold under the same brand names in other countries may contain different ingredients.

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Information expires June 2016.

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