Cephalexin vs Citalopram

## Cephalexin vs Citalopram: Overview

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

## Mechanism of Action

**Cephalexin**: First-generation cephalosporin inhibiting cell wall synthesis.

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

## Pharmacokinetics

**Half-life**: Cephalexin — 0.5-1.2 hours; Citalopram — 35 hours.

## Chemical Properties

**Molecular Formula**: Cephalexin — C16H17N3O4S; Citalopram — C20H21FN2O.

**Molecular Weight**: Cephalexin — 347.3890 g/mol; Citalopram — 324.3920 g/mol.

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