Atenolol vs Paroxetine

## Atenolol vs Paroxetine: Overview

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

## Mechanism of Action

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

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

## Pharmacokinetics

**Half-life**: Atenolol — 6-7 hours; Paroxetine — 21 hours.

## Chemical Properties

**Molecular Formula**: Atenolol — C14H22N2O3; Paroxetine — C19H20FNO3.

**Molecular Weight**: Atenolol — 266.3360 g/mol; Paroxetine — 329.3730 g/mol.

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