Afatinib vs Duloxetine
## Afatinib vs Duloxetine: Overview
This comparison examines the pharmacological differences between **Afatinib** and **Duloxetine**.
## Mechanism of Action
**Afatinib**: Irreversible covalent inhibitor of ErbB family (EGFR/HER1, HER2, HER4) tyrosine kinases.
**Duloxetine**: Serotonin-norepinephrine reuptake inhibitor (SNRI).
## Pharmacokinetics
**Half-life**: Afatinib — 37 hours; Duloxetine — 12 hours.
## Chemical Properties
**Molecular Formula**: Afatinib — C24H25ClFN5O3; Duloxetine — C18H19NOS.
**Molecular Weight**: Afatinib — 485.9400 g/mol; Duloxetine — 297.4150 g/mol.
**Type**: Afatinib — Small molecule; Duloxetine — Small molecule.