Metoprolol vs Venlafaxine
## Metoprolol vs Venlafaxine: Overview
This comparison examines the pharmacological differences between **Metoprolol** and **Venlafaxine**.
## Mechanism of Action
**Metoprolol**: Selective beta-1 adrenergic receptor blocker.
**Venlafaxine**: Serotonin-norepinephrine reuptake inhibitor (SNRI).
## Pharmacokinetics
**Half-life**: Metoprolol — 3-7 hours; Venlafaxine — 5 hours.
## Chemical Properties
**Molecular Formula**: Metoprolol — C15H25NO3; Venlafaxine — C17H27NO2.
**Molecular Weight**: Metoprolol — 267.3640 g/mol; Venlafaxine — 277.4020 g/mol.
**Type**: Metoprolol — Small molecule; Venlafaxine — Small molecule.