Atenolol vs Venlafaxine
## Atenolol vs Venlafaxine: Overview
This comparison examines the pharmacological differences between **Atenolol** and **Venlafaxine**.
## Mechanism of Action
**Atenolol**: Cardioselective beta-1 adrenergic receptor blocker without intrinsic sympathomimetic activity.
**Venlafaxine**: Serotonin-norepinephrine reuptake inhibitor (SNRI).
## Pharmacokinetics
**Half-life**: Atenolol — 6-7 hours; Venlafaxine — 5 hours.
## Chemical Properties
**Molecular Formula**: Atenolol — C14H22N2O3; Venlafaxine — C17H27NO2.
**Molecular Weight**: Atenolol — 266.3360 g/mol; Venlafaxine — 277.4020 g/mol.
**Type**: Atenolol — Small molecule; Venlafaxine — Small molecule.