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