Ranitidine vs Topiramate

## Ranitidine vs Topiramate: Overview

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

## Mechanism of Action

**Ranitidine**: Competitive H2 receptor antagonist.

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

## Pharmacokinetics

**Half-life**: Ranitidine — 2-3 hours; Topiramate — 21 hours.

## Chemical Properties

**Molecular Formula**: Ranitidine — C13H22N4O3S; Topiramate — C12H21NO8S.

**Molecular Weight**: Ranitidine — 314.4050 g/mol; Topiramate — 339.3630 g/mol.

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