Adalimumab vs Methotrexate

## Adalimumab vs Methotrexate: Overview

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

## Mechanism of Action

**Adalimumab**: Fully human anti-TNF-alpha monoclonal antibody.

**Methotrexate**: Dihydrofolate reductase inhibitor.

## Pharmacokinetics

**Half-life**: Adalimumab — 14 days; Methotrexate — 3-10 hours.

## Chemical Properties

**Molecular Formula**: Adalimumab — N/A; Methotrexate — C20H22N8O5.

**Molecular Weight**: Adalimumab — N/A; Methotrexate — 454.4400 g/mol.

**Type**: Adalimumab — Antibody; Methotrexate — Small molecule.