Doxycycline vs Metformin

## Doxycycline vs Metformin: Overview

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

## Mechanism of Action

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

**Metformin**: Activates AMP-activated protein kinase, decreasing hepatic glucose production.

## Pharmacokinetics

**Half-life**: Doxycycline — 18-22 hours; Metformin — 4-9 hours.

## Chemical Properties

**Molecular Formula**: Doxycycline — C22H24N2O8; Metformin — C4H11N5.

**Molecular Weight**: Doxycycline — 444.4350 g/mol; Metformin — 129.1640 g/mol.

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