Carbamazepine vs Phenytoin

## Carbamazepine vs Phenytoin: Overview

This comparison examines the pharmacological differences between **Carbamazepine** and **Phenytoin**.

## Mechanism of Action

**Carbamazepine**: Voltage-gated sodium channel blocker.

**Phenytoin**: Sodium channel blocker stabilizing inactive state.

## Pharmacokinetics

**Half-life**: Carbamazepine — 25-65 hours; Phenytoin — 22 hours.

## Chemical Properties

**Molecular Formula**: Carbamazepine — C15H12N2O; Phenytoin — C15H12N2O2.

**Molecular Weight**: Carbamazepine — 236.2690 g/mol; Phenytoin — 252.2680 g/mol.

**Type**: Carbamazepine — Small molecule; Phenytoin — Small molecule.