Doxycycline vs Spironolactone

## Doxycycline vs Spironolactone: Overview

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

## Mechanism of Action

**Doxycycline**: Inhibits bacterial protein synthesis by binding 30S ribosomal subunit.

**Spironolactone**: Mineralocorticoid receptor antagonist.

## Pharmacokinetics

**Half-life**: Doxycycline — 18-22 hours; Spironolactone — 1.4 hours.

## Chemical Properties

**Molecular Formula**: Doxycycline — C22H24N2O8; Spironolactone — C24H32O4S.

**Molecular Weight**: Doxycycline — 444.4350 g/mol; Spironolactone — 416.5740 g/mol.

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