Escitalopram vs Methotrexate

## Escitalopram vs Methotrexate: Overview

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

## Mechanism of Action

**Escitalopram**: S-enantiomer of citalopram; selective serotonin reuptake inhibitor.

**Methotrexate**: Dihydrofolate reductase inhibitor.

## Pharmacokinetics

**Half-life**: Escitalopram — 27-32 hours; Methotrexate — 3-10 hours.

## Chemical Properties

**Molecular Formula**: Escitalopram — C20H21FN2O; Methotrexate — C20H22N8O5.

**Molecular Weight**: Escitalopram — 324.3920 g/mol; Methotrexate — 454.4400 g/mol.

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