Atenolol vs Citalopram

## Atenolol vs Citalopram: Overview

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

## Mechanism of Action

**Atenolol**: Cardioselective beta-1 adrenergic receptor blocker without intrinsic sympathomimetic activity.

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

## Pharmacokinetics

**Half-life**: Atenolol — 6-7 hours; Citalopram — 35 hours.

## Chemical Properties

**Molecular Formula**: Atenolol — C14H22N2O3; Citalopram — C20H21FN2O.

**Molecular Weight**: Atenolol — 266.3360 g/mol; Citalopram — 324.3920 g/mol.

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