Phenytoin vs Tramadol

## Phenytoin vs Tramadol: Overview

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

## Mechanism of Action

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

**Tramadol**: Mu-opioid receptor agonist and serotonin-norepinephrine reuptake inhibitor.

## Pharmacokinetics

**Half-life**: Phenytoin — 22 hours; Tramadol — 5-7 hours.

## Chemical Properties

**Molecular Formula**: Phenytoin — C15H12N2O2; Tramadol — C16H25NO2.

**Molecular Weight**: Phenytoin — 252.2680 g/mol; Tramadol — 263.3750 g/mol.

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