Celecoxib vs Rabeprazole
## Celecoxib vs Rabeprazole: Overview
This comparison examines the pharmacological differences between **Celecoxib** and **Rabeprazole**.
## Mechanism of Action
**Celecoxib**: Selective COX-2 inhibitor.
**Rabeprazole**: Proton pump inhibitor irreversibly inhibiting gastric H+/K+-ATPase with faster onset than omeprazole.
## Pharmacokinetics
**Half-life**: Celecoxib — 11 hours; Rabeprazole — 1-2 hours.
## Chemical Properties
**Molecular Formula**: Celecoxib — C17H14F3N3O2S; Rabeprazole — C18H21N3O3S.
**Molecular Weight**: Celecoxib — 381.3730 g/mol; Rabeprazole — 359.4440 g/mol.
**Type**: Celecoxib — Small molecule; Rabeprazole — Small molecule.