Aripiprazole vs Phenytoin

## Aripiprazole vs Phenytoin: Overview

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

## Mechanism of Action

**Aripiprazole**: Partial agonist at D2 and 5-HT1A receptors.

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

## Pharmacokinetics

**Half-life**: Aripiprazole — 75 hours; Phenytoin — 22 hours.

## Chemical Properties

**Molecular Formula**: Aripiprazole — C23H27Cl2N3O2; Phenytoin — C15H12N2O2.

**Molecular Weight**: Aripiprazole — 448.3850 g/mol; Phenytoin — 252.2680 g/mol.

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