Afatinib vs Celecoxib

## Afatinib vs Celecoxib: Overview

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

## Mechanism of Action

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

**Celecoxib**: Selective COX-2 inhibitor.

## Pharmacokinetics

**Half-life**: Afatinib — 37 hours; Celecoxib — 11 hours.

## Chemical Properties

**Molecular Formula**: Afatinib — C24H25ClFN5O3; Celecoxib — C17H14F3N3O2S.

**Molecular Weight**: Afatinib — 485.9400 g/mol; Celecoxib — 381.3730 g/mol.

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