Gefitinib vs Ranitidine

## Gefitinib vs Ranitidine: Overview

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

## Mechanism of Action

**Gefitinib**: Selective reversible inhibitor of EGFR tyrosine kinase.

**Ranitidine**: Competitive H2 receptor antagonist.

## Pharmacokinetics

**Half-life**: Gefitinib — 48 hours; Ranitidine — 2-3 hours.

## Chemical Properties

**Molecular Formula**: Gefitinib — C22H24ClFN4O3; Ranitidine — C13H22N4O3S.

**Molecular Weight**: Gefitinib — 446.9000 g/mol; Ranitidine — 314.4050 g/mol.

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