Same Drug Class

Morphine vs Phenytoin

## Morphine vs Phenytoin: Overview

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

## Mechanism of Action

**Morphine**: Mu-opioid receptor agonist.

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

## Pharmacokinetics

**Half-life**: Morphine — 2-3 hours; Phenytoin — 22 hours.

## Chemical Properties

**Molecular Formula**: Morphine — C17H19NO3; Phenytoin — C15H12N2O2.

**Molecular Weight**: Morphine — 285.3380 g/mol; Phenytoin — 252.2680 g/mol.

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