Captopril vs Topiramate

## Captopril vs Topiramate: Overview

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

## Mechanism of Action

**Captopril**: First orally active ACE inhibitor; contains thiol group that binds zinc at ACE active site.

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

## Pharmacokinetics

**Half-life**: Captopril — 1.9 hours; Topiramate — 21 hours.

## Chemical Properties

**Molecular Formula**: Captopril — C9H15NO3S; Topiramate — C12H21NO8S.

**Molecular Weight**: Captopril — 217.2850 g/mol; Topiramate — 339.3630 g/mol.

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