Citalopram vs Metformin

## Citalopram vs Metformin: Overview

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

## Mechanism of Action

**Citalopram**: Selective serotonin reuptake inhibitor (SSRI); racemic mixture with escitalopram as active S-enantiomer.

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

## Pharmacokinetics

**Half-life**: Citalopram — 35 hours; Metformin — 4-9 hours.

## Chemical Properties

**Molecular Formula**: Citalopram — C20H21FN2O; Metformin — C4H11N5.

**Molecular Weight**: Citalopram — 324.3920 g/mol; Metformin — 129.1640 g/mol.

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