Sumatriptan vs Topiramate

## Sumatriptan vs Topiramate: Overview

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

## Mechanism of Action

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

**Topiramate**: Multiple mechanisms: Na+ channel block, GABA enhancement, glutamate inhibition.

## Pharmacokinetics

**Half-life**: Sumatriptan — 2.5 hours; Topiramate — 21 hours.

## Chemical Properties

**Molecular Formula**: Sumatriptan — C14H21N3O2S; Topiramate — C12H21NO8S.

**Molecular Weight**: Sumatriptan — 295.4020 g/mol; Topiramate — 339.3630 g/mol.

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