Aspirin vs Citalopram

## Aspirin vs Citalopram: Overview

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

## Mechanism of Action

**Aspirin**: Irreversibly inhibits cyclooxygenase-1 and -2.

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

## Pharmacokinetics

**Half-life**: Aspirin — 2-3 hours; Citalopram — 35 hours.

## Chemical Properties

**Molecular Formula**: Aspirin — C9H8O4; Citalopram — C20H21FN2O.

**Molecular Weight**: Aspirin — 180.1580 g/mol; Citalopram — 324.3920 g/mol.

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