Triamterene

Pronounced try-AM-ter-een

Brand names: Dyrenium

Type: Potassium-sparing diuretic (water pill) · All Heart & Blood Pressure Medicines

What Triamterene is used for

  • Fluid buildup (edema)
  • High blood pressure, usually combined with other water pills

◆ Kidney note

Avoided when kidney function is significantly reduced because of potassium buildup and stone risk.

Common side effects

  • Dizziness
  • Nausea
  • Diarrhea
  • Headache

Important cautions

  • Can raise potassium to dangerous levels — blood tests are essential
  • Raises the risk of kidney stones in some people

How it comes

Capsules. This guide lists forms only — it never lists strengths or doses.

Related medicines — Heart & Blood Pressure Medicines

Condition guides on MedicalVideos.com

Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.