Same Drug Class

Phenytoin vs Quetiapine

## Phenytoin vs Quetiapine: Overview

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

## Mechanism of Action

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

**Quetiapine**: Atypical antipsychotic; antagonist at multiple receptors.

## Pharmacokinetics

**Half-life**: Phenytoin — 22 hours; Quetiapine — 6 hours.

## Chemical Properties

**Molecular Formula**: Phenytoin — C15H12N2O2; Quetiapine — C21H25N3O2S.

**Molecular Weight**: Phenytoin — 252.2680 g/mol; Quetiapine — 383.5100 g/mol.

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