Celecoxib vs Phenytoin
## Celecoxib vs Phenytoin: Overview
This comparison examines the pharmacological differences between **Celecoxib** and **Phenytoin**.
## Mechanism of Action
**Celecoxib**: Selective COX-2 inhibitor.
**Phenytoin**: Sodium channel blocker stabilizing inactive state.
## Pharmacokinetics
**Half-life**: Celecoxib — 11 hours; Phenytoin — 22 hours.
## Chemical Properties
**Molecular Formula**: Celecoxib — C17H14F3N3O2S; Phenytoin — C15H12N2O2.
**Molecular Weight**: Celecoxib — 381.3730 g/mol; Phenytoin — 252.2680 g/mol.
**Type**: Celecoxib — Small molecule; Phenytoin — Small molecule.