Afatinib vs Ondansetron

## Afatinib vs Ondansetron: Overview

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

## Mechanism of Action

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

**Ondansetron**: Selective 5-HT3 receptor antagonist.

## Pharmacokinetics

**Half-life**: Afatinib — 37 hours; Ondansetron — 3-5 hours.

## Chemical Properties

**Molecular Formula**: Afatinib — C24H25ClFN5O3; Ondansetron — C18H19N3O.

**Molecular Weight**: Afatinib — 485.9400 g/mol; Ondansetron — 293.3660 g/mol.

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