Citalopram vs Loratadine

## Citalopram vs Loratadine: Overview

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

## Mechanism of Action

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

**Loratadine**: Second-generation H1 antihistamine with minimal CNS effects.

## Pharmacokinetics

**Half-life**: Citalopram — 35 hours; Loratadine — 8 hours.

## Chemical Properties

**Molecular Formula**: Citalopram — C20H21FN2O; Loratadine — C22H23ClN2O2.

**Molecular Weight**: Citalopram — 324.3920 g/mol; Loratadine — 382.8800 g/mol.

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