Celecoxib vs Fentanyl
## Celecoxib vs Fentanyl: Overview
This comparison examines the pharmacological differences between **Celecoxib** and **Fentanyl**.
## Mechanism of Action
**Celecoxib**: Selective COX-2 inhibitor.
**Fentanyl**: Highly potent synthetic mu-opioid receptor agonist approximately 100 times more potent than morphine.
## Pharmacokinetics
**Half-life**: Celecoxib — 11 hours; Fentanyl — 2-4 hours.
## Chemical Properties
**Molecular Formula**: Celecoxib — C17H14F3N3O2S; Fentanyl — C22H28N2O.
**Molecular Weight**: Celecoxib — 381.3730 g/mol; Fentanyl — 336.4700 g/mol.
**Type**: Celecoxib — Small molecule; Fentanyl — Small molecule.