Hydromorphone vs Phenytoin

## Hydromorphone vs Phenytoin: Overview

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

## Mechanism of Action

**Hydromorphone**: Semisynthetic mu-opioid receptor agonist approximately 5 times more potent than morphine.

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

## Pharmacokinetics

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

## Chemical Properties

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

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

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