Methotrexate vs Ranitidine

## Methotrexate vs Ranitidine: Overview

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

## Mechanism of Action

**Methotrexate**: Dihydrofolate reductase inhibitor.

**Ranitidine**: Competitive H2 receptor antagonist.

## Pharmacokinetics

**Half-life**: Methotrexate — 3-10 hours; Ranitidine — 2-3 hours.

## Chemical Properties

**Molecular Formula**: Methotrexate — C20H22N8O5; Ranitidine — C13H22N4O3S.

**Molecular Weight**: Methotrexate — 454.4400 g/mol; Ranitidine — 314.4050 g/mol.

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