Afatinib vs Aspirin
## Afatinib vs Aspirin: Overview
This comparison examines the pharmacological differences between **Afatinib** and **Aspirin**.
## Mechanism of Action
**Afatinib**: Irreversible covalent inhibitor of ErbB family (EGFR/HER1, HER2, HER4) tyrosine kinases.
**Aspirin**: Irreversibly inhibits cyclooxygenase-1 and -2.
## Pharmacokinetics
**Half-life**: Afatinib — 37 hours; Aspirin — 2-3 hours.
## Chemical Properties
**Molecular Formula**: Afatinib — C24H25ClFN5O3; Aspirin — C9H8O4.
**Molecular Weight**: Afatinib — 485.9400 g/mol; Aspirin — 180.1580 g/mol.
**Type**: Afatinib — Small molecule; Aspirin — Small molecule.