Citalopram vs Metoprolol
## Citalopram vs Metoprolol: Overview
This comparison examines the pharmacological differences between **Citalopram** and **Metoprolol**.
## Mechanism of Action
**Citalopram**: Selective serotonin reuptake inhibitor (SSRI); racemic mixture with escitalopram as active S-enantiomer.
**Metoprolol**: Selective beta-1 adrenergic receptor blocker.
## Pharmacokinetics
**Half-life**: Citalopram — 35 hours; Metoprolol — 3-7 hours.
## Chemical Properties
**Molecular Formula**: Citalopram — C20H21FN2O; Metoprolol — C15H25NO3.
**Molecular Weight**: Citalopram — 324.3920 g/mol; Metoprolol — 267.3640 g/mol.
**Type**: Citalopram — Small molecule; Metoprolol — Small molecule.