Back to Cardiology Drug index

Back to Potassium sparing diuretics

Name: Triamterene

Pregnancy Category B

Drug classes

  • Potassium-sparing diuretic

Therapeutic actions

Inhibits sodium reabsorption in the renal distal tubule, causing loss of sodium and water and retention of potassium.

Indications

Edema associated with CHF, nephrotic syndrome, hepatic cirrhosis; steroid-induced edema, edema from secondary hyperaldosteronism (alone or with other diuretics for added diuretic or antikaliuretic effects)

Contraindications/cautions

Contraindicated in the presence of allergy to triamterene, hyperkalemia, renal disease (except nephrosis), liver disease, lactation.

Use caution in the presence of diabetes mellitus, pregnancy.

Adverse effects

  • CNS: Headache, drowsiness, fatigue, weakness
  • GI: Nausea, anorexia, vomiting, dry mouth, diarrhea
  • Hematologic: Hyperkalemia, blood dyscrasias
  • GU: Renal stones, intersititial nephritis
  • Dermatologic: Rash, photosensitivity 

Are you a Doctor, Pharmacist, PA or a Nurse?

Join the Doctors Lounge online medical community

  • Editorial activities: Publish, peer review, edit online articles.

  • Ask a Doctor Teams: Respond to patient questions and discuss challenging presentations with other members.

Doctors Lounge Membership Application

Tools & Services: Follow DoctorsLounge on Twitter Follow us on Twitter | RSS News | Newsletter | Contact us