Diltiazem vs Phenytoin

## Diltiazem vs Phenytoin: Overview

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

## Mechanism of Action

**Diltiazem**: Benzothiazepine calcium channel blocker.

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

## Pharmacokinetics

**Half-life**: Diltiazem — 3-4.5 hours; Phenytoin — 22 hours.

## Chemical Properties

**Molecular Formula**: Diltiazem — C22H26N2O4S; Phenytoin — C15H12N2O2.

**Molecular Weight**: Diltiazem — 414.5190 g/mol; Phenytoin — 252.2680 g/mol.

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