Methotrexate vs Venlafaxine

## Methotrexate vs Venlafaxine: Overview

This comparison examines the pharmacological differences between **Methotrexate** and **Venlafaxine**.

## Mechanism of Action

**Methotrexate**: Dihydrofolate reductase inhibitor.

**Venlafaxine**: Serotonin-norepinephrine reuptake inhibitor (SNRI).

## Pharmacokinetics

**Half-life**: Methotrexate — 3-10 hours; Venlafaxine — 5 hours.

## Chemical Properties

**Molecular Formula**: Methotrexate — C20H22N8O5; Venlafaxine — C17H27NO2.

**Molecular Weight**: Methotrexate — 454.4400 g/mol; Venlafaxine — 277.4020 g/mol.

**Type**: Methotrexate — Small molecule; Venlafaxine — Small molecule.