Spironolactone vs Valsartan

## Spironolactone vs Valsartan: Overview

This comparison examines the pharmacological differences between **Spironolactone** and **Valsartan**.

## Mechanism of Action

**Spironolactone**: Mineralocorticoid receptor antagonist.

**Valsartan**: Angiotensin II type 1 receptor blocker.

## Pharmacokinetics

**Half-life**: Spironolactone — 1.4 hours; Valsartan — 6 hours.

## Chemical Properties

**Molecular Formula**: Spironolactone — C24H32O4S; Valsartan — C24H29N5O3.

**Molecular Weight**: Spironolactone — 416.5740 g/mol; Valsartan — 435.5190 g/mol.

**Type**: Spironolactone — Small molecule; Valsartan — Small molecule.