Aspirin vs Levodopa
## Aspirin vs Levodopa: Overview
This comparison examines the pharmacological differences between **Aspirin** and **Levodopa**.
## Mechanism of Action
**Aspirin**: Irreversibly inhibits cyclooxygenase-1 and -2.
**Levodopa**: Metabolic precursor of dopamine that crosses the BBB.
## Pharmacokinetics
**Half-life**: Aspirin — 2-3 hours; Levodopa — 1.5 hours.
## Chemical Properties
**Molecular Formula**: Aspirin — C9H8O4; Levodopa — C9H11NO4.
**Molecular Weight**: Aspirin — 180.1580 g/mol; Levodopa — 197.1880 g/mol.
**Type**: Aspirin — Small molecule; Levodopa — Small molecule.