Afatinib vs Ranitidine

## Afatinib vs Ranitidine: Overview

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

## Mechanism of Action

**Afatinib**: Irreversible covalent inhibitor of ErbB family (EGFR/HER1, HER2, HER4) tyrosine kinases.

**Ranitidine**: Competitive H2 receptor antagonist.

## Pharmacokinetics

**Half-life**: Afatinib — 37 hours; Ranitidine — 2-3 hours.

## Chemical Properties

**Molecular Formula**: Afatinib — C24H25ClFN5O3; Ranitidine — C13H22N4O3S.

**Molecular Weight**: Afatinib — 485.9400 g/mol; Ranitidine — 314.4050 g/mol.

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