Finasteride vs Spironolactone

## Finasteride vs Spironolactone: Overview

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

## Mechanism of Action

**Finasteride**: Competitive inhibitor of 5-alpha-reductase type II.

**Spironolactone**: Mineralocorticoid receptor antagonist.

## Pharmacokinetics

**Half-life**: Finasteride — 5-6 hours; Spironolactone — 1.4 hours.

## Chemical Properties

**Molecular Formula**: Finasteride — C23H36N2O2; Spironolactone — C24H32O4S.

**Molecular Weight**: Finasteride — 372.5490 g/mol; Spironolactone — 416.5740 g/mol.

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