Drug reference

triamterene

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Drug class

Cardiovascular (Diuretics)

Mechanism of action

Direct effect on renal distal tubule to inhibit Na+ reabsorption, Inhibits Na/K-ATPase, decreases Ca++ , Mg++ and hydrogen excretion

Common side effects

  • Dizziness
  • Edema
  • Fatigue
  • CHF
  • Hypotension
  • Photosensitivity

Contraindications

  • Hypersensitivity to triamterene Anuria, severe liver disease, renal failure Hyperkalemia Concomitant use with K+-sparing diuretic, or K supplementation

Known interactions (4)

Related conditions

Frequently asked questions

What drug class is triamterene?

triamterene belongs to: Cardiovascular.

How does triamterene work?

Direct effect on renal distal tubule to inhibit Na+ reabsorption, Inhibits Na/K-ATPase, decreases Ca++ , Mg++ and hydrogen excretion

What are the common side effects of triamterene?

Dizziness, Edema, Fatigue, CHF, Hypotension, Photosensitivity

Which drugs interact with triamterene?

amiloride, eplerenone, drospirenone, ethinyl estradiol-drospirenone

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