Celecoxib vs Levodopa
## Celecoxib vs Levodopa: Overview
This comparison examines the pharmacological differences between **Celecoxib** and **Levodopa**.
## Mechanism of Action
**Celecoxib**: Selective COX-2 inhibitor.
**Levodopa**: Metabolic precursor of dopamine that crosses the BBB.
## Pharmacokinetics
**Half-life**: Celecoxib — 11 hours; Levodopa — 1.5 hours.
## Chemical Properties
**Molecular Formula**: Celecoxib — C17H14F3N3O2S; Levodopa — C9H11NO4.
**Molecular Weight**: Celecoxib — 381.3730 g/mol; Levodopa — 197.1880 g/mol.
**Type**: Celecoxib — Small molecule; Levodopa — Small molecule.