Aspirin vs Morphine
## Aspirin vs Morphine: Overview
This comparison examines the pharmacological differences between **Aspirin** and **Morphine**.
## Mechanism of Action
**Aspirin**: Irreversibly inhibits cyclooxygenase-1 and -2.
**Morphine**: Mu-opioid receptor agonist.
## Pharmacokinetics
**Half-life**: Aspirin — 2-3 hours; Morphine — 2-3 hours.
## Chemical Properties
**Molecular Formula**: Aspirin — C9H8O4; Morphine — C17H19NO3.
**Molecular Weight**: Aspirin — 180.1580 g/mol; Morphine — 285.3380 g/mol.
**Type**: Aspirin — Small molecule; Morphine — Small molecule.