Metoprolol vs Paroxetine

## Metoprolol vs Paroxetine: Overview

This comparison examines the pharmacological differences between **Metoprolol** and **Paroxetine**.

## Mechanism of Action

**Metoprolol**: Selective beta-1 adrenergic receptor blocker.

**Paroxetine**: Potent selective serotonin reuptake inhibitor with additional muscarinic and NE reuptake inhibition.

## Pharmacokinetics

**Half-life**: Metoprolol — 3-7 hours; Paroxetine — 21 hours.

## Chemical Properties

**Molecular Formula**: Metoprolol — C15H25NO3; Paroxetine — C19H20FNO3.

**Molecular Weight**: Metoprolol — 267.3640 g/mol; Paroxetine — 329.3730 g/mol.

**Type**: Metoprolol — Small molecule; Paroxetine — Small molecule.