Hydrochlorothiazide vs Topiramate

## Hydrochlorothiazide vs Topiramate: Overview

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

## Mechanism of Action

**Hydrochlorothiazide**: Inhibits Na+/Cl- cotransporter in distal convoluted tubule.

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

## Pharmacokinetics

**Half-life**: Hydrochlorothiazide — 6-15 hours; Topiramate — 21 hours.

## Chemical Properties

**Molecular Formula**: Hydrochlorothiazide — C7H8ClN3O4S2; Topiramate — C12H21NO8S.

**Molecular Weight**: Hydrochlorothiazide — 297.7400 g/mol; Topiramate — 339.3630 g/mol.

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