Celecoxib vs Ranitidine

## Celecoxib vs Ranitidine: Overview

This comparison examines the pharmacological differences between **Celecoxib** and **Ranitidine**.

## Mechanism of Action

**Celecoxib**: Selective COX-2 inhibitor.

**Ranitidine**: Competitive H2 receptor antagonist.

## Pharmacokinetics

**Half-life**: Celecoxib — 11 hours; Ranitidine — 2-3 hours.

## Chemical Properties

**Molecular Formula**: Celecoxib — C17H14F3N3O2S; Ranitidine — C13H22N4O3S.

**Molecular Weight**: Celecoxib — 381.3730 g/mol; Ranitidine — 314.4050 g/mol.

**Type**: Celecoxib — Small molecule; Ranitidine — Small molecule.