Celecoxib vs Esomeprazole
## Celecoxib vs Esomeprazole: Overview
This comparison examines the pharmacological differences between **Celecoxib** and **Esomeprazole**.
## Mechanism of Action
**Celecoxib**: Selective COX-2 inhibitor.
**Esomeprazole**: S-isomer of omeprazole; proton pump inhibitor irreversibly blocking gastric H+/K+-ATPase.
## Pharmacokinetics
**Half-life**: Celecoxib — 11 hours; Esomeprazole — 1-1.5 hours.
## Chemical Properties
**Molecular Formula**: Celecoxib — C17H14F3N3O2S; Esomeprazole — C17H19N3O3S.
**Molecular Weight**: Celecoxib — 381.3730 g/mol; Esomeprazole — 345.4170 g/mol.
**Type**: Celecoxib — Small molecule; Esomeprazole — Small molecule.