Afatinib vs Memantine
## Afatinib vs Memantine: Overview
This comparison examines the pharmacological differences between **Afatinib** and **Memantine**.
## Mechanism of Action
**Afatinib**: Irreversible covalent inhibitor of ErbB family (EGFR/HER1, HER2, HER4) tyrosine kinases.
**Memantine**: Non-competitive NMDA receptor antagonist.
## Pharmacokinetics
**Half-life**: Afatinib — 37 hours; Memantine — 60-80 hours.
## Chemical Properties
**Molecular Formula**: Afatinib — C24H25ClFN5O3; Memantine — C12H21N.
**Molecular Weight**: Afatinib — 485.9400 g/mol; Memantine — 179.3080 g/mol.
**Type**: Afatinib — Small molecule; Memantine — Small molecule.