Aspirin vs Duloxetine
## Aspirin vs Duloxetine: Overview
This comparison examines the pharmacological differences between **Aspirin** and **Duloxetine**.
## Mechanism of Action
**Aspirin**: Irreversibly inhibits cyclooxygenase-1 and -2.
**Duloxetine**: Serotonin-norepinephrine reuptake inhibitor (SNRI).
## Pharmacokinetics
**Half-life**: Aspirin — 2-3 hours; Duloxetine — 12 hours.
## Chemical Properties
**Molecular Formula**: Aspirin — C9H8O4; Duloxetine — C18H19NOS.
**Molecular Weight**: Aspirin — 180.1580 g/mol; Duloxetine — 297.4150 g/mol.
**Type**: Aspirin — Small molecule; Duloxetine — Small molecule.