Phenytoin vs Sumatriptan

## Phenytoin vs Sumatriptan: Overview

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

## Mechanism of Action

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

**Sumatriptan**: Selective 5-HT1B/1D receptor agonist.

## Pharmacokinetics

**Half-life**: Phenytoin — 22 hours; Sumatriptan — 2.5 hours.

## Chemical Properties

**Molecular Formula**: Phenytoin — C15H12N2O2; Sumatriptan — C14H21N3O2S.

**Molecular Weight**: Phenytoin — 252.2680 g/mol; Sumatriptan — 295.4020 g/mol.

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